A Bottleneck effect has the ground-squirrel population experienced during the earthquake,
Bottleneck Effect- The bottleneck effect describes how a population's size is first decreased and then increased and how this changes how genetic diversity is distributed among its members.
Population- A population is the total number of organisms associated with the same species that really are present in a given location at the same time and have the potential to interbreed. Individuals need to be capable of reproducing with any other population members and have fruitful children for interbreeding to happen.
Species- A collection of creatures that can breed with each other in nature and have healthy offspring is referred to as a biological species.
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The left hemisphere of the brain controls the _____ side of the body and vice versa.
_______ are the form that human needs take as they are shaped by personality, culture, and buying situation.
Answer:
Social Needs . are the form of human needs take as shaped by culture & individual personality.
Explanation:
hope it helps
Explain the process and bonds involved in the ability of RNA to fold into complex 3-D shapes, similar to those of tertiary proteins.
RNA molecules fold into complex 3-D structures when base pairing occurs between nitrogen base pairs. The bonds forned are hydrogen bonds.
What are RNA molecules?RNA molecules refers to nucleic acids which are built from ribose sugar molecules instead of deoxyribose as in DNA molecules.
RNA molecules as in DNA are composed of a sugar backbone, a nitrogenous base, and phosphodiester linkages.
The nucleotides found in RNA molecules are:
uraciladeninecytosine andguanineRNA is able to form complex 3-D structures even though they are single-stranded because of base pairing that occurs between adenine and uracil, and guanine to cytosine.
The bonds present in thebase pairs are hydogen bonds.
Hydrogen bonds are bonds which are formed between hydrogen and a highly electronegative atom such oxygen, nitrogen, chlorine, and fluorine.
In the RNA molecule, hydrogen bonds form betweenthe oxygen and nitrogen atoms of the either uracil, adenine, cytosine, or uracil.
These hydrogen bonds results in three-dimensional structures of RNA.
In conclusion, RNA molecules are single-stranded nucleic acids materials.
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How could scientists use radioisotopes to study the function of the golgi apparatus?.
Answer:
Scientists use radioisotopes to study the function of the golgi apparatus Radiolabeled sugars could be tracked as they are covalently attached to proteins within the Golgi apparatus
Explanation:
The majority of eukaryotic cells include the Golgi apparatus, commonly referred to as the Golgi body, Golgi Organelle, or just the Golgi. It loads proteins inside membrane-bound organelles within the cells just before vesicles are delivered to their target. It is a component of an endomembrane system inside the cytoplasmic.
The Italian biologist Camillo Golgi discovered it in 1897, and his name was given to it in 1898. It processes the proteins produced inside the rough endoplasmic reticulum, delivers proteins to various cell locations, and transfers the Golgi enzymes that modify cargo proteins. The Golgi body looks like a stack containing membranes. However it is not present in prokaryotic cell.
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A train traveled at 350 km in 2.5 hours. What was the average speed of the train?
Answer:
140 km per hour.
Explanation:
350 divided by 2.5= 140
The average speed of the train was 140 kilometers per hour.
Speed is a unit used to describe how fast something is moving with respect to another object. Due to its scalar nature, it has only magnitude and no direction. By dividing the distance traveled by an object by the time required to cover that distance, one can calculate its speed.
The formula for calculating speed is as follows:
Speed = Distance / Time
In the International System of Units (SI), the meter per second (m/s) is the accepted unit for measuring speed. Nevertheless, other common units for speed include kilometers per hour (km/h) and miles per hour (mph), depending on the situation and location.
We can use the following calculation to determine the typical speed of a train:
Average speed = Distance traveled / Time taken
In this example, the train covered this distance of 350 km in 2.5 hours.
Average speed = 350 km / 2.5 hours
Average speed = 140 km/h
Therefore, the average speed of the train was 140 kilometers per hour.
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Energy requiring metabolic pathways that yield complex molecules from simpler precursors are:________
Energy requiring metabolic pathways that yield complex molecules from simpler precursors are anabolic.
Metabolic pathways are those that take place inside an organism's body to regulate the proper functioning of the body The metabolic pathway comprises of two components: anabolism and catabolism.
Anabolism involves the formation of larger molecules from the smaller ones. For example: formation of glycogen from glucose is anabolism. Catabolism is the process of breakdown of larger substances into smaller ones. The example of catabolism is the breakdown of proteins into amino acids during digestion. All the reactions that take place inside an organism's body are part of its metabolism.
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How are kingdoms similar or different from domains
A taxonomic category above the kingdom level is known as a domain. The three main groups of life—Bacteria, Archaea, and Eukarya—are the three domains. Domains are essentially super kingdoms. A taxonomic group called a kingdom includes one or more phyla.
The basic distinction between a domain and a kingdom is that the former is one of the three taxonomic groups of living things above the kingdom level, whilst the latter is one of the five major groups of living things. On Earth, there have been numerous classification efforts. Even while we often refer to the largest collection of species as a kingdom, there is something bigger than that. The more comprehensive category known as DOMAINS includes kingdoms.
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Imagine that you forgot to flame the loop before streaking the inoculum from the first quadrant into the second quadrant. what is the most likely consequence of this error?
Answer:
too much bacterial growth in the first quadrant
Explanation:
If you forgot to flame the loop before streaking the inoculum from the first quadrant into the second quadrant. Then, the most likely consequence of this error would be : too much bacterial growth in the first quadrant
The streak for isolation method is one way to get isolated bacterial colonies. This method involves scratching bacteria onto one side of a petri dish containing culture medium using an inoculation loop. The inoculating loop is placed under the flame during the streaking process, where it becomes extremely hot. The goal of doing this is to eliminate all contaminants.
This allows some of the bacteria in the first quadrant to spread into the second. The vaccination loop must go back through the second quadrant in order to vaccinate the third, and so on.
In this case, it is clear that the flaming loop is necessary for the second quadrant to be crossed out before bacterial colonies can develop in all four quadrants. If not, the first quadrant will contain only bacterial colonies.
As a result, if the flame loop is not properly sterilized, it will carry a variety of microbes to the Petri plate, which could result in contamination.
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The use of microbial metabolism to remove or neutralize human waste and industrial pollutants is known as?
The use of microbial metabolism to remove or neutralize human waste and industrial pollutants is known as Bioremediation.
Bioremediation- A subfield of biotechnology called "bioremediation" uses living things like bacteria and microorganisms to clean up contaminated environments. It is used to clean up poisons, pollutants, and other contaminants from water, soil, and other habitats.
Microbial Metabolism- A microorganism receives the energy and nutrients (such as carbon) it needs to survive and reproduce through microbial metabolism.
Industrial pollutants- Sulfur dioxide, volatile organic solvents, and particulate particulates, such as metal dust, are the main industrial pollutants that have an impact on air quality. Dioxins and other dangerous chlorinated chemicals can be produced when garbage, especially plastics, are burned.
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The large stained-
pink circle in the
middle of each cell
is most likely...
The large stained-pink circle in the middle of each cell is most likely the cell nucleus.
Eukaryotic cells, which have a distinct nucleus and other membrane-bound organelles, have the cell nucleus, a membrane-bound organelle. DNA, which contains instructions for the development and function of a cell, is one of the genetic material found in the nucleus of a cell.
In microscopic pictures or stained cell samples the nucleus often appears as a distinct, round or oval structure with a darker stain than the surrounding cytoplasm. The staining clarifies the presence of DNA and shows where the nucleus is located within the cell.
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What is the purpose of the NASA Star Finder?(1 point) .
To observe stars and other distant objects in space.
To see how constellations change positions in the sky throughout the year.
To include new stars and constellations that are discovered every month.
To provide images of constellations from month to month.
Answer: To observe stars and other distant objects in space.
Finding the Constellations We see different views of the Universe from where we live as Earth makes its yearly trip around the solar system. That is why we have a different Star Finder for each month, as different constellations come into view.
The Star Finder charts show the sky at about 10 PM for the first of the month, 9 PM for the middle of the month, and 8 PM for the last of the month. These are local standard times. For months with Daylight Savings Time, star chart times are an hour later. The star charts are maps of the sky overhead.
Explanation: let me know if im wrong i tried
To examine stars and other far-away celestial objects. As new constellations emerge, that is why we have a fresh Star Finder for each month. Thus, option A is correct.
What is Star Finder?A Star chart is a straightforward handheld gadget that displays a map of the stars that can be seen in the night sky at any given time.
It demonstrates how stars move across the night sky by rotating a wheel, as well as how different constellations are visible at various times of the year.
Any Star chart map projection is a flat representation of our spherical perception of the cosmos. This technique always has some effect on area, scale, and distance.
In frequently used Star chart map projections, this distortion grows geometrically as the distance from the center rises.
A star chart that is extremely distorted in traditional Star chart is confusing and challenging to use. The attempt to fit the entire dome of the sky onto a single flat map has resulted in this deformation.
Therefore, To observe stars and other distant objects in space.
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15. Jessie is concerned about how tired his classmates seem. He created
a drink that he thinks will boost their energy. He recruits 100 classmates
with a history of tiredness. He has 50 of them drink his new special energy
drink. The other 50 drink a beverage that looks like the special energy
drink, but is just water and food coloring. Both groups were told that they
were getting the special drink that would boost energy. After 2 hours, 30
classmates in the first group reported having more energy and 8
classmates in the second group reported having more energy. What is the
independent variable?
Answer: type of drink
Explanation:
Which statement about the use of models in science is true?
A.
Scientific models must be complex.
B.
Scientific models never change once they are created.
C.
Scientific models do not have any limitations.
D.
Scientists use models to represent and predict real phenomena in the world.
Scientists use models to represent and predict real phenomena in the world.
By contrasting aspects of the real world with models based on well-known systems, scientists attempt to explain certain parts of it. Scientific models must be testable, and they are only approved by scientists after undergoing real-world testing.To explain how some features of the real world function, scientists create models. A scientific model is made up of ideas and concepts as well as a mechanism of some sort. Mathematics is used to create and study a wide variety of models, and computers enable extremely complex mathematical models. There are many conflicting theories for the same phenomenon.It's difficult to find good models. They cannot be created based solely on whim or desire. Models need to be based on reliable scientific concepts.Therefore, option D. is correct.
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Which side of the cerebellum is concerned with movements of the right hand?
The right side of the cerebellum is concerned with movements of the right hand.
Cerebellum is located at the backside of the brain. Almost 50% os the nerve cells are present in the cerebellum area of the brain. The functions that the cerebellum regulates are: motor skills. movement, coordination, posture, equilibrium and balance.
The hand is the appendage of the body that emerges from the shoulder and consists of the forearm, the upper arm, the palm and the fingers. Although, the palm and the fingers are specifically referred as hands. The upper arm and the forearm together from the arm region.
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When fighting the human immunodeficiency virus (hiv), the nurse knows that the drug regimen usually includes which?
The most successful course of therapy involves a number of drugs taken together.
Drugs- A medicine (Drug) is an organic chemical having a recognized structure that, when administered to a living entity, has a biological effect. These substances are referred to as pharmacological agents. A chemical substance known as a pharmaceutical medicine is used to treat, diagnose, prevent, or assess sickness as well as to enhance wellness. It is also referred to as a drug.
Therapy- A style of medicine that treats illness using drugs derived from living things. These compounds could be produced in a lab or they might be found naturally in the body. Some biological cancer treatments activate or inhibit the immunological system to support the body's fight against cancer.
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What is one way that insects can indicate that an animal was killed by a hunter as opposed to disease or illness?.
Answer: it sticks to it
Explanation:
Would water still be a polar molecule if it were not in the form of a v but rather were linear like carbon dioxide?
No, water would not be a polar molecule if it were not in the form of a v but rather was linear like carbon dioxide.
When two different atoms combine, due to their different electronegativities the electrons get shifted towards one atom which results in the molecule becoming polar.
The polarity of a bond is given by its dipole moment, which is a vector quantity and is represented using an arrow.
The H2O molecule is V-shaped and the CO2 molecule is linear, as shown in the adjoining diagram.
We can see that the dipole moments in the case of H2O have an angle between them, so they do not cancel each other and H20 becomes a polar molecule
While in the case of CO2, the dipole moments are in the opposite direction and cancel each other, so CO2 is non-polar.
If H2O were linear like CO2, then the dipole moments would have canceled each other and H2O would be non-polar.
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In the obsolete five-kingdom system, prokaryotes were included within which group?
a. monera
b. animals
c. prokarya
d. eukarya
Option(a) Monera is the correct answer.
In the obsolete five-kingdom system, prokaryotes were included within Monera group.
What are prokaryotes?Prokaryotes are creatures without a nucleus or other organelles in their cells. Bacteria and archaea, two separate groupings of prokaryotes with allegedly independent evolutionary histories, are separated into. The majority of prokaryotes are tiny, single-celled creatures with a straightforward structure.The definition of Monera:the prokaryotic kingdom that includes bacteria, reproduces primarily asexually by budding or fission, and obtains its nutrition through photosynthesis or chemosynthesis.What are five Monera examples?Cyanobacteria, which are blue-green algaeStreptococcus, which are cocci-shaped bacteria E. ColiVibrio cholerae (cholera)Treponema pallidum (syphilis)other bacteria with a spiral form.To learn more about Monera visit:
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The amount of nutrients per calorie in a given food represents how ________ the food is.
The amount of nutrients per calorie in a given food represents how nutrient-dense the food is.
Why is nutritional density significant? What does it mean?We often use the term "more nutrient dense" to describe foods that contain more significant nutrients per calorie. Key nutrients include some vitamins and minerals (such as calcium, iron, iodine, vitamin D, potassium, and folate), protein, unsaturated fats, and fiber that humans often consume in less amounts than is advised. The fundamental tenet of any healthy diet is to eat "nutrient-dense foods," and you may recognize this advice from official dietary recommendations. We lower our risk of consuming too many calories, saturated fat, cholesterol, sugar, salt (sodium), or alcohol when we center our meals on nutrient-dense foods, which also increases our likelihood of maintaining a healthy weight and lowering our risk of developing certain diseases.Learn more about the Nutrition with the help of the given link:
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ASAP..Will mark Brilliantest
Alex poured some pond water into three beakers. She then put waterweed into each beaker. She put the beakers in different places.
b. In the school pond there were lots of water lilies with large leaves covering the surface. There were not many plants growing below the surface. Suggest a reason for this.
Answer:
I can't see any picture
Explanation:
No because for real?
Which part of your brain is essential for receiving information that you are moving your legs?
Motor coretex is essential for receiving information that you are moving your legs.
What is motor cortex?The motor cortex's main job is to provide signals that control how the body moves. It is anterior to the central sulcus and a portion of the frontal lobe. The primary motor cortex, premotor cortex, and supplementary motor area make up this region. The motor cortex generates signals that are particular to movements and sends them to the muscles via spinal cord circuits and motoneurons to regulate motor behavior. For the execution of movements to be precise, coordinated muscle activation patterns are required.Learn more about the structure of brain with the help of the given link:
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Oligosaccharide chains added in the er can undergo further modification in which organelle(s)?
Oligosaccharide chains added in the ER can undergo further modification in both the cis and trans sacs of the Golgi Apparatus.
What is the Golgi Apparatus?The Golgi Apparatus is an organelle composed of groups of planned sacs that serve to modify lipids and proteins and thus acts as a processing center for these macromolecules.
The Golgi Apparatus is a fundamental eukaryotic organelle of the endomembrane system and this structure transports all processed products to their final destination (e.g., lysosomes of the cell membrane).
In conclusion, Oligosaccharide chains added in the endoplasmatic retuiculum can undergo further modification in Golgi Apparatus.
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True or false? all medical assistants can legally perform injections under the supervision of a physician.
Legally, any medical assistant who is working under a doctor's direction can administer injections. False: Even when given under a doctor's supervision, medical assistants cannot provide injections in all states.
What is a physician?A physician, often known as a doctor of medicine, frequently focuses on non-surgical care for patients' ailments. That's not to argue that becoming a doctor isn't useful most specialties have a distinctive variety of procedures related to them.
What kind of doctor is a physician?A doctor with a medical degree is referred to as a "physician" in general. Physicians investigate, diagnose, and treat illnesses and injuries in an effort to preserve, promote, and restore health. Typically, a doctor has six fundamental skills patient care.
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How many letters of an rna molecule in a sequence does it take to provide the code for a single animo acid?
Three letters of an RNA molecule in a sequence are involved in providing the code for a single amino acid, and this three-letter code is called the codon, and tRNA have the anticodon sequence which is complementary to the mRNA codon sequence.
Each group of three letters consecutive nucleotides in RNA is called a codon, and each codon specify either one amino acid or it stop to the translation process.
Therefore, The codons in an RNA molecule do not directly recognize the amino acids, but they specify the group of three nucleotides. They bind directly to the amino acid rather than the translation of mRNA into protein.
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The concept that human and animal diseases are caused by microorganisms is called the:________
The concept that human and animal diseases are caused by microorganisms is called the germ theory
In medicine, germ theory is the belief that certain illnesses are caused by the body's attack by micro - organisms that are too small to see without a microscope.
The germ theory of disease indicates that micro - organisms like viruses, protozoa, bacteria, or fungi cause many diseases. The growth and reproduction of microorganisms cause these diseases.
Louis Pasteur developed the germ theory of disease. He also carried out a number of experiments to demonstrate the link between diseases and microorganisms.
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what is correct about a complex molecule and the components into which it breaks down?
The huge structure made up of numerous smaller pieces are complex molecules. Amino acids are formed from the complex molecules known as proteins.
Large chemical molecules with a key function in cellular and metabolic processes are known as proteins. They provide a variety of responsibilities and functions and have been of the utmost important for the live cell.The theory holds that amino acids, which function as monomers, are the building blocks of proteins. The polymeric structure of the protein is created by the amino acids joining together via peptide bonds. At the conclusion of translation, an amino acid is created and modified to create proteins.Once a protein source enters your stomach, it is broken down into smaller chains of amino acids by hydrochloric acid and proteases enzymes. Peptides, which are dismantled by proteases, are what connect amino acids together.Therefore, option B. is correct.
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The complete question is:
Which of the following is correct about a complex molecule and the components into which it breaks down?
A. Sugars break down into proteins.
B. Proteins break down into amino acids.
C. Carbohydrates break down into fats.
D. Fats break down into monosaccharides.
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Which of the organelles have their own dna separate from dna contained in the nucleus?
Mitochondria and chloroplasts are the two organelles that have their DNA separated from the DNA contained in the nucleus.
Organelles are the specialized organs for a eukaryotic cell to perform various functions. They are usually protected by a membrane(s) and are found in the cytoplasm of the cell. The various organelles found in a eukaryotic cell are the nucleus, peroxisomes, lysosomes, mitochondria, chloroplasts, ribosomes, Golgi apparatus, and endoplasmic reticulum.
The nucleus is the site for DNA replication. It then produces RNA by the process of transcription. This RNA is then transferred to ribosomes for protein synthesis. These synthesized proteins are then transferred to various cell organelles to perform their specific functions.
Meanwhile, the mitochondria and chloroplasts are the two organelles that do not need proteins synthesized by the ribosomes. They can synthesize their proteins themselves as they have their DNA separated from the DNA of the nucleus. Because of this characteristic, they are also referred to as semi-autonomous.
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Denise just received the results of a complete physical that found her body is not producing enough insulin. which part of the endocrine system is affecting her body's ability to produce insulin?
The part of the endocrine system which affects her body's ability to produce insulin is referred to as the pancreas.
What is Insulin?This is defined as substance which is secreted into the bloodstream by the organ known as the pancreas and is leaf shaped. Its mode of action is to allow glucose to enter the body's cells to provide energy.
Insulin helps to regulate the blood sugar or glucose level in the body and a deficiency will lead to diabetes which comes with a lot of complications and risks.
This is therefore why pancreas was chosen as the most appropriate choice.
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Cara and evan are participating in a half-sibling study. they share about what percentage of their genes?
25 Percentage of their genes they share.
Genes- In every type of living creature, a gene is a highly precise sequence of nucleotide monomers that has the power to fully or partially regulate the expression of one or more features. Deoxyribonucleic acid (DNA) and, in the case of certain viruses, ribonucleic acid (RNA) polymers are used to create genes.
DNA- The molecule found inside cells that carries the genetic material necessary for an organism to grow and operate. This knowledge may be handed on from one generations to the next thanks to DNA molecules.
RNA- Instead of the deoxyribose present in DNA, the backbone of an RNA molecule is made up of alternate phosphate groups and the sugar ribose.
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The term multiple alleles refers to the presence of ______ or more alleles in the population.
The term multiple alleles refer to the presence of three or more alleles in the population.
In the field of science, an allele can be described as any of the variant forms of a gene that is found at a particular gene locus. The specific place that an allele has on a chromosome is referred to as the loci of the allele.
Multiple alleles can be described as more than two alleles that are found in a particular population at a given time.
When three or more forms of an allele occur in a population then these multiple alleles cause diversity in a population.
An example of the presence of multiple alleles in humans is the ABO blood group system. There are three alleles found in this blood group system.
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