A species is the biggest unit within which gene flow is most likely to take place.
Gene flow is the movement of genes from one group to another. Numerous factors have an effect on the gene flow. The largest population unit where easy gene flow is possible is a biological species. Within a species, effective interbreeding results in fruitful reproduction and, ultimately, gene flow. The basic unit of classification, taxonomic rank, and biodiversity for an organism is its species. A species is the largest group of beings in which any two individuals of the appropriate sexes or mating types may create a live kid, often through sexual reproduction. The karyotype, DNA sequence, morphology, behaviour, or ecological niche can all be used to identify a species.
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complete question:The largest unit within which gene flow can readily occur is ________.
A) a population
B) a species
C) the entire range of a genus
D) the hybrid zone
The cells lining the human intestines have a lifespan of less than one week. Meanwhile, a few neurons (cells sending messages to and from the brain) have been in our bodies since birth. Which of the following statements must be true?
A. The older neurons spend most of their time in Interphase
B. The intestine cells spend most of their
time in meiosis
C. The older neurons conduct cell division frequently
D. The cells in the intestine undergo mitosis very quickly
Statement A. The older neurons spend most of their time in Interphase is true because these cells are in a senescent state.
What is the constant senescent state of old neurons in the nervous system?The constant senescent state of old neurons in the nervous system refers to a latency phase where cells do not divide and therefore they don't generate other cells.
Therefore, with this data, we can see that the constant senescent state of old neurons in the nervous system is the reason for which the death of neurons may have irreversible consequences.
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Roughly what percent of human protein-coding genes are thought to be alternatively spliced? (a) 2%, (b) over 90% (c) 50% (d) 30%
The percent of human protein-coding genes thought to be alternatively spliced are: (b) over 90%.
Genes are the basic factors of heredity that are passed on from one generation to another. The genes are small segments of the entire DNA sequence. Very minute portion of the complete DNA is composed of genes. The remaining portion is called as junk DNA, however it is also used by the body for certain processes.
Splicing is the process where the newly synthesized RNA is transformed into a functional m-RNA by removing the non-coding region from the transcript. Splicing removes the intronic sequences and joins together the exons.
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the simplest and most rapid method of producing atp during exercise is through?
The simplest and most rapid method of producing ATP during exercise is through the ATP-CP network.
The ATP-CP system results in explosive motions that are extremely quick (1-2 repetitions). This energy system only lasts between 6 and 10 seconds. The ATP-CP system would be your nitrous boost, to use an automotive analogy.
As its name suggests, the ATP-PC system is composed of phosphocreatine and adenosine triphosphate (ATP). This energy system breaks down the stored high-energy phosphates to generate instantaneous energy.
The ATP-PC system generates a rapid, intense, and brief burst of energy that lasts about ten seconds when used in sports like powerlifting, and throwing competitions like the javelin, shot put, or discus throw. Other sports like 100-meter sprints and powerlifting are examples.
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five-year-old ling is beginning to show signs of being able to plan ahead in a somewhat rational manner. at her age, this development is likely due to: please choose the correct answer from the following choices, and then select the submit answer button. an increase in her association areas. neural networks sprouting in her frontal lobes. a decrease in production of neurons. maturation of her cortex.
frontal. Terms in this collection (30) Ling is a 5-year-old who is starting to demonstrate evidence of being able to plan ahead reasonably logically.
She shouldn't be concerned at her age because: Baby uneasiness caused by meeting or being left in the care of strangers is known as stranger anxiety. Stranger anxiety is a totally normal developmental stage that often starts between the ages of 6 and 8 months. The process of learning a language slows. Learning new languages accelerates significantly. Around 10 new terms are added to the vocabulary each month. Thinking like a child is the best approach to comprehend a child's logic.
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Five-year-old Lilah is beginning to show signs of being able to plan ahead in a somewhat rational manner. At her age, this development is likely due to neural networks sprouting in her _____ lobe.
to keep a consistent measurement process, we observe sport skills from three planes using an anatomical reference position. what does this position look like?
We observe sport skills from three planes using an anatomical reference position. Standing tall, All bodily components should be facing forward, palms facing forward
A coronal or frontal plane is perpendicular to the ground and separates the body into dorsal (back) and ventral (front) halves. The body is divided into cranial (head) and caudal (tail) sections by a transverse plane, also known as an axial plane or cross-section.
Running, lifting weights, kicking or throwing a ball, for example, all involve the usage of levers. When we run, we are the thing being moved; yet, when we kick a ball, the object being moved is the ball.
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what was the impact of human-driven changes to the environment on the frequency of sickle cell trait?
Children and adolescents with sickle cell trait who were exposed to passive smoking were found to have increased frequencies of acute pain and hospitalization.
If a person is heterozygous for one defective allele of the hemoglobin beta gene, they are said to have the sickle cell trait. They don't, however, exhibit the severe sickle cell symptoms that people with two copies of that mutation do (is homozygous). Hemoglobin that is both normal and pathological is produced by heterozygous sickle cell allele carriers (the two alleles are codominant with respect to the actual concentration of hemoglobin in the circulating cells).
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in the blood glucose example, the increase in blood glucose corresponds to which step of a reflex pathway? insulin secretion and the decrease in blood glucose correspond to which steps?
The increase in blood glucose corresponds to the first step of a reflex pathway.
How does the increase in blood glucose affect the reflex pathway?
The increase in blood glucose is one of the most important steps in a reflex pathway. This is because it triggers a series of reactions that result in the body's response to an external stimulus. The increase in blood glucose corresponds to the first step of a reflex pathway, known as the "afferent" or sensory phase. During this phase, sensory neurons detect changes in the environment and send signals to the brain, which then initiates a series of responses. This includes hormones being released into the bloodstream and muscles being activated to produce movement. Ultimately, this process helps maintain homeostasis within the body and allows us to respond appropriately to our environment.
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chromatin, which consists of dna and associated proteins, undergoes coiling and condenses during cell division to form___
During cell division, chromatin, which is made up of DNA and related proteins, goes through coiling and condensation to create chromosomes, the structures that store and transmit genetic information.
What is chromatin?Eukaryotic cells have a combination of DNA and proteins called chromatin in their nuclei. The DNA molecule, which is many orders of magnitude longer than the nucleus, must be packaged and organised into a manageable structure by it.
During cell division, chromatin, which is made up of DNA and related proteins, goes through coiling and condensation to produce chromosomes. An organism's genetic information is housed in chromosomes, which are also in charge of passing that information from one generation to the next. Chromatin condensation is a critical stage in cell division because it enables the appropriate division and distribution of the chromosomes to the daughter cells.
Chromatin is disseminated in the nucleus during interphase and is in an open, loose state. The chromatin coils and condenses when the cell gets ready to divide, becoming more apparent under a microscope. Chromosomes, which are distinct, rod-like structures, are what are left of the condensed chromatin at this point.
The chromosomes are further compressed and divided during mitosis, enabling each daughter cell to get a full complement of genetic material.
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what was the impact of human-driven changes to the environment on the frequency of sickle cell trait?
Human-driven changes to the environment can have a significant impact on the frequency of sickle cell trait, but the exact nature of that impact depends on the specific changes and their effects on the populations.
Sickle cell trait is a genetic condition that provides some protection against malaria, a mosquito-borne disease. In regions where malaria is prevalent, the frequency of sickle cell trait is often higher because carriers of the trait have an advantage in surviving and reproducing.
However, human-driven changes to the environment, such as the use of insecticides, the construction of dams, and urbanization, can alter the distribution and prevalence of mosquitoes and, as a result, reduce the frequency of malaria. This, in turn, reduces the selective pressure favoring the sickle cell trait and can cause the frequency of sickle cell trait to decrease over time.
On the other hand, human activities can also lead to environmental changes that increase the transmission of malaria, such as deforestation and the creation of new habitats for mosquitoes. In such cases, the frequency of sickle cell trait may increase.
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Finish the diagram for 50 points a person. (purple smooth (PR)= 75, white smooth (pR)= 28, purple wrinkled (Pr)= 24, white wrinkled (pr)= 8)
The completed diagram is:
PPRR PPRr PpRR PpRr PPRr PPrr PpRr PprrPpRR PpRr ppRR ppRrPpRr Pprr ppRr pprrHow to solve for itAvailable data:
purple smooth (PR)= 75,
white smooth (pR)= 28,
purple wrinkled (Pr)= 24,
white wrinkled (pr)= 8
Cross) PpRr x PpRr
Gametes) PR pR Pr pr
PR pR Pr pr
Punnet square) PR Pr pR pr
PR PPRR PPRr PpRR PpRr
Pr PPRr PPrr PpRr Pprr
pR PpRR PpRr ppRR ppRr
pr PpRr Pprr ppRr pprr
F1) Progeny Genotype: 1/16 PPRR
2/16 PPRr
2/16 PpRR
1/16 PPrr
4/16 PpRr
2/16 Pprr
1/16 ppRR
2/16 ppRr
1/16 pprr
Progeny phenotype: 7/16 P-R-, purple smooth
3/16 P-rr, purple wrinkled
3/16 ppR-, white smooth
1/16 rrpp, white wrinkled
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__________ glands are flask-shaped, with short ducts that usually open into a hair follicle and directly onto to skin.
Sebaceous glands are glands found in the skin of mammals, including humans.
They are flask-shaped and typically have short ducts that open into hair follicles or directly onto the skin. These glands produce an oily substance called sebum, which helps to lubricate and protect the skin and hair. Overproduction of sebum can lead to conditions such as acne, while underproduction can cause dry skin. The activity of the sebaceous glands is regulated by hormones, particularly androgens, which increase their activity during puberty. The glands also play a role in the development of skin conditions such as seborrheic dermatitis and rosacea. Sebaceous glands are skin glands that produce sebum, an oily substance that lubricates and protects skin and hair. Overproduction can cause acne, while underproduction can lead to dry skin. They are regulated by hormones, particularly androgens, and play a role in skin conditions such as seborrheic dermatitis and rosacea.
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Genetic Variation refers to the degree with which members of a population have zero combinations of alleles. True or False
Also, when you answer, please be quick it's due right now.
Genetic variation refers to the degree to which members of a population have zero combinations of alleles, which is false, as the genetic variation shows how the differences are seen among the individuals.
What is the significance of the variation at the gene level?Genetic variation explains the diversity of genetic information within a population, and genetic variation distinguishes the individual, which is commonly seen in sexual reproduction due to the numerous combinations possible.
Hence, genetic variation refers to the degree to which members of a population have zero combinations of alleles, which is false, as the genetic variation shows how the differences are seen among the individuals.
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A recommended action is to_________a number when you write each source on a(n)_______
- Notebook cover
- Spreadsheet
- Scratch paper
- Write
- Delete
- Assign
- Appoint
- 3-by-5-inch note card
- Any of the above
A recommended action seems to appoint a number when we write each source on a(n) 3 by 5in note card.
What is recommended action?As a result of a performance analysis, recommended actions are generated. They are used to communicate improvement actions. Recommendations may or may not be associated with an asset. They also lack a corresponding unmitigated risk rank.Configure and display relevant actions to agents based on record context using the Recommended Actions application.This would be an ineffective recommendation because it does not address the problem identified in the report. It is critical to avoid recommending that the organization take no action or no action at this time in the recommendations section of a recommendation report.Instead, the recommendations section must provide clear and feasible solutions for the identified problem that the organization can implement.To learn more about recommended action refer to :
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dendrites are multiple choice the part of the neuron that is responsible for sending information away from the cell body toward other cells. treelike fibers which receive information and orient it toward the neuron's cell body. the layer of fat cells that encase and insulate the neuron. located inside the cell body.
Dendrites are treelike fibers that are located on the neuron's cell body and are responsible for receiving information from other neurons.
They are multiple branching extensions of the neuron that are covered in tiny spikes called spines, which are the sites of synapses with other neurons.The main function of dendrites is to receive signals from other neurons and transmit them to the cell body, where they are processed and sent to the axon, the part of the neuron responsible for transmitting information away from the cell body.
The dendrites act like antennae, receiving signals from other neurons and orienting them toward the cell body.The dendrites are not the layer of fat cells that encase and insulate the neuron. That function is performed by the myelin sheath, which is made up of glial cells that wrap around the axon to insulate it and speed up the transmission of electrical signals.
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if the production possibilities frontier is linear, thenA. Fixed amount of resources B. Production is efficient.
A linear production possibilities frontier indicates that there is a fixed amount of resources.
The maximum combinations of two items that can be produced with a specific set of resources and technology are graphically represented by the production possibilities frontier (PPF) in economics. A linear PPF depicts a scenario in which the opportunity cost of providing one good is constant and resources are fixed in amount and cannot be expanded.
In other words, if the PPF is linear, then there are finite resources available, and generating one good results in a loss of the chance to produce another good. Production of the other good will fall proportionately as more units of the first good are produced.
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what is the most accepted method of toothbrushing intended to remove dental biofilm adjacent to and directly beneath the gingival margein?
This brushing technique is widely recognized as an efficient way to remove bacterial plaque at least 1 mm below and near to the gingival border.
Since its initial description in 1954, bass technique has emerged as the approach that is most frequently endorsed. Your dentist could advise using the Charter way of brushing if you have gaps between your teeth, exposed root surfaces, have undergone periodontal surgery, or have experienced gum recession.
People who use fixed partial dentures or orthodontic equipment can also benefit from this procedure. It's usual practice to recommend sulcular brushing for patients with periodontal disease in order to maximize access to the gingival areas. The Bass technique is the most suggested approach since it highlights the sulcular.
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which choice describes a strategy used to help restore cod populations?
Option 1 is Correct. A method used to help restore cod populations is to limit fishing fleet size and catch amounts.
Atlantic cod, a fish that was crucial to New England's economy, is now being fished at historically low levels, and after many years of overfishing, New England cod appears to be recovering. Since the IUCN has listed species like cod, haddock, and grouper as endangered, many people are wary about eating fish.
Another concern for divers is the fish that are associated with high bycatch rates. At this location, dolphins and turtles are unintentionally killed in the nets. Limiting the size of fishing fleets and captures is the method used to aid in the restoration of cod populations.
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Correct Question:
Which choice describes a strategy used to help restore cod populations?
1. limit the size of fishing fleets and catches
2. restrict fishing to trawling nets
3. allow fishermen to harvest from protected areas when necessary
4. harvest only very young fish
Select all inheritance patterns in which 50% of the functional protein is sufficient to produce a wild-type phenotype: Check All That Apply 1. Simple Mendelian dominant alleles 2. An X-linked dominant allele in a heterozygous female 3. Haploinsufficient genes 4. Incomplete dominance
1. Simple mendelian dominant alleles are inheritance patterns in which 50% of the functional protein is required to produce the wild-type phenotype.
A dominant allele with an X link in a heterozygous female. We are aware that the genes have distinct forms known as alleles. Consequently, there are two alleles for each gene. They exhibit a dominant-recessive relationship in accordance with Mendel's law of inheritance. In the heterozygous state, only 50% of the dominant allele must be expressed. However, in the homozygous condition, the recessive allele requires that it be expressed in its entirety. Therefore, simple mendelian dominant alleles are included in this group. This domain also contains the X-linked allele. Therefore, heterozygous female expression requires only one allele.
The mutated copy of the wild-type gene is not sufficient to produce the heterozygous phenotype in the case of haploinsufficient genes. The condition known as incompleted dominance occurs when neither one of the alleles is dominant over the other. Consequently, the phenotype of a heterozygous condition containing both alleles could be observed. As a result, it cannot be fully expressed with just one allele.
In the heterozygous condition, males do not exhibit a female-specific sex-limited trait. Only under homozygous conditions does it express. However, females exhibit both homozygous and heterozygous expression of these genes.
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the seeds in bush bean pods are each the product of an independent fertilization event. green seed color is dominant to white seed color in bush beans. if a heterozygous plant with green seeds self-fertilizes, what is the probability that 6 seeds in a single pod of the progeny plant will consist of ...
The probability of having 6 green seeds in a pod of a heterozygous plant is 0.54.
A heterozygous plant with green seeds has a genotype of Gg, meaning it carries both the dominant green allele (G) and the recessive white allele (g). When a heterozygous plant self-fertilizes, Having a genotype of Gg, a heterozygous plant with green seed it has a 50% chance of producing a green seed and a 50% chance of producing a white seed. So, the probability of having 6 green seeds in a pod is (1/2)^6 = 0.54, or approximately 54%. In a heterozygous plant, the likelihood of finding 6 green seeds in a pod is 0.54.
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Plant growth involves both the production of new cells by mitosis and the expansion of cell volume.a. true b. false
True. Both the mitosis division of new cells and the enlargement of cell volume occur during plant growth. Secondary xylem and phloem are formed from a layer of undifferentiated cells in this layer.
The lateral meristem known as the vascular cambium is responsible for a plant's secondary xylem and phloem production. From seed to sprout, followed by vegetative, budding, blooming, and ripening stages, are the stages that plants go through. The nutritional requirements of both people and plants alter as they mature. They develop through a combination of cell division and growth (mitosis). Meristem, a form of plant tissue made up of undifferentiated cells that can keep dividing and differentiating, is the key to plant growth.
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What is the inner surface of the small intestine?
The inner surface of the small intestine is known as the mucosa which is basically the innermost layer of the GI or the gastrointestinal tract.
Small intestine is a very crucial organ of the human digestive system as it is involved in the digestion as well as absorption of food. The mucosa is basically the innermost layer of the GI or the gastrointestinal tract or the inner surface of the small intestine. It happens to surround the cavity which is known as the lumen of the tract and is into direct contact with the digested food which is known as chyme.
This lining of the small intestinal, mucosa is actually very highly specialized for maximizing the amount of digestion and absorption of nutrients that takes place. The lining is very much folded in order to form microscopic finger-like projections which are known as villi which perform the function of increasing the surface area to help with absorption.
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at the conclusion of cytokinesis, each daughter cell from mitosis contains ___________ of chromosomes.
At the conclusion of the cytokinesis, each daughter cell from the mitosis contains same amount of chromosomes.
This is because during mitosis, the replicated chromosomes are separated, each son cell entering one dupe of each chromosome. This process of cell division is known as mitosis and it's responsible for icing that each son cell receives an identical set of inheritable information from the parent cell. Mitosis is necessary for growth and form in multicellular organisms,
As it ensures that each son cell contains the same inheritable information as the parent cell. In this way, mitosis allows cells to divide and replicate while maintaining the same inheritable information. This is important for the functioning of the body, as it ensures that each cell is equipped to perform its technical part.
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a forest has millions of trees killed by a type of beetle. the dead trees are hazardous. gis technology can help people manage the forest in which two ways?
GIS (Geographic Information System) technology can help manage a forest with millions of dead trees by: Mapping and Monitoring; gathering data about the health of trees in different forest areas.
Mapping and Monitoring: GIS can be used to create detailed maps of the affected areas, showing the locations of dead trees and the extent of the infestation. This information can be used to monitor the spread of the infestation and to track the progress of control measures.
Gathering data about the health of trees in different forest areas: GIS can be used to collect, store, and analyze data about the health of trees in different parts of the forest. This information can be used to identify areas that are most at risk, to track changes in tree health over time, and to support decision-making about forest management.
For example, GIS technology can be used to identify areas of the forest where the trees are most susceptible to a particular type of pest or disease, or where environmental factors such as water availability or soil quality are affecting tree health.
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neurons have axons in the peripheral nervous system and neurons have dentrites in the central nervous system. a. pyrmidal; somatosensory b. stellate; bipolar c. bipolar; somatosensory d. motor; motor
The statement "neurons have axons in the peripheral nervous system and neurons have dentrites in the central nervous system" is not entirely accurate.
Neurons, which are the basic building blocks of the nervous system, typically have both axons and dendrites in both the peripheral nervous system and the central nervous system. Axons are specialized structures that transmit signals away from the cell body of the neuron, while dendrites are branches that receive signals from other neurons.
Option "b. stellate; bipolar" is also not accurate, as these terms refer to specific types of neurons and are not related to the location of axons and dendrites .Option "c. bipolar; somatosensory" is more accurate, as bipolar neurons are a type of neuron that have a single axon and dendrite, and are typically found in sensory organs such as the retina. Somatosensory neurons are responsible for transmitting sensory information from the body to the central nervous system.
In conclusion, neurons typically have both axons and dendrites in both the peripheral nervous system and the central nervous system, and the location of these structures is not limited to specific types of neurons or regions of the nervous system.
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____________________ provides directions for its own replication. It also directs cell activities by providing instructions for building proteins.
DNA provides instructions for the replication of itself.
The instructions required for a lifeform to grow, endure, and reproduce are encoded in its DNA. DNA sequences must be transformed into messages which can be used to create proteins, which are the protein complexes that carry out the majority of the work in our bodies, in order to perform these functions. Your cells and nearly every other organism contain DNA as its main genetic component. It is employed in the multi-step process of protein synthesis, which transforms the DNA's coded message into the a usable protein molecule. Ribonucleic acid, also known as RNA, is essential for translating the genome's DNA-stored instructions.
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which part of the buffalo did the plains people turn into thread and strings for their bows?1) the sinew2) the horns3) the hides4) the stomach
The buffalo sinew was converted by the people of the plains into thread and bowstrings. Here option 1 is the correct answer.
Sinew is a strong, fibrous tissue found in the back and legs of animals, including buffalo, that connects muscle to bone. It is made up of long, collagen fibers that are naturally flexible, strong, and elastic, making it ideal for use as bowstring material.
The plains people harvested the sinew from buffalo and other animals, such as deer and elk, and treated it to make it durable and resistant to moisture.
They would scrape off the outer layer of the sinew, leaving behind the strong, white fibers, which they would then twist into strong and durable threads. These threads were used to make bowstrings, fishing lines, snares, and other equipment that required strength and durability.
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this structure has a sticky surface to trap pollen grains
The sticky area on top of the pistil known as the stigma captures and keeps the pollen. The style is the tube-like framework that holds the stigma in place.
What is the material that sticks to the stigma?The top, enlarged portion of the pistil in a flower's female reproductive component is called the stigma. The stigma of the flower receives pollen grains that have been discharged from the stamen's anther. Because stigma is sticky, pollen grains might adhere to it.
Where does pollination take place on the sticky tip of the pistil?It is the flower's female reproductive system. The sticky tip of a carpel or pistil, known as the stigma, is where pollen is captured.
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a bacterium that only possesses the ability to ferment obtains energy by?
A bacterium that can only ferment uses glycolysis to produce energy.
Through a sequence of processes known as glycolysis, glucose is divided into two pyruvate molecules, each of which has three carbons. The vast majority of species alive today have a metabolic process called glycolysis, which is an old metabolic pathway that originated in the distant past.
Glycolysis is the initial step in the process of cellular respiration in organisms. However, many anaerobic organisms—organisms that do not use oxygen—also contain this route since glycolysis does not require oxygen.
It is the procedure through which a glucose molecule is split into two pyruvate molecules.
Animal and plant cells' cytoplasms are where the process occurs.
The process involves six enzymes.
Two pyruvate molecules, two ATP molecules, and two NADH molecules are the reaction's final byproducts.
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this structure has a sticky surface to trap pollen grains
The top part of the pistil called the stigma is the sticky part that attracts the pollen grains.
Pistil is a reproductive organ in the flowers bearing the female gametes. It is divided into three sections: stigma, style and ovary. The stigma is to attract the pollen grains. Style connects the ovary to the stigma. Ovary is the main part that consists of the gametes.
Pollen grains are the microscopic male structures that contain the male gamete. The pollen grain is divided into two portions: a vegetative cell and a reproductive cell. The vegetative cell is present to nourish the reproductive cell inside.
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How are ribonucleotides added?
Ribonucleotides are added to a growing strand of DNA or RNA by a process called “template-directed synthesis.”
An enzyme called a polymerase is used in this procedure; it attaches to a single strand of DNA or RNA and utilises it as a template before adding the necessary ribonucleotide.A procedure termed elongation, which is performed by an enzyme called a polymerase, adds ribonucleotides to an expanding RNA strand. In order to add nucleotides one at a time during the elongation process, the enzyme attaches to the RNA strand, aligns the ribonucleotide to the template strand, and then catalyses a condensation reaction to create a phosphodiester bond. The enzyme continues to add nucleotides as it goes down the strand, doing so until the appropriate length is reached.
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