Forming the cell walls of stems, leaves, and roots, the Cellulose compound is the primary structural constituent of plant tissues. the correct answer is option(d).
The polysaccharide cellulose, an organic molecule with the formula n, is made up of a linear chain of several hundred to many thousands of D-glucose units that are covalently bonded. Green plants, numerous types of algae, and oomycetes all have basic cell walls that contain cellulose as an essential structural element.
Because it gives the plant cell wall stability and mechanical and tensile strength, cellulose is crucial for plant cell walls. The maintenance and control of plant cell growth and development are based on the configuration of microfibrils (cellulose). The fundamental structural element of the cell wall, cellulose, is largely responsible for its mechanical strength. Cellular activity is influenced by the positioning of cellulose microfibrils within the cell wall.
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Phosphofructokinase is a glycolytic enzyme that is inhibited by amp .
a. true
b. false
Phosphofructokinase is a glycolytic enzyme that is inhibited by amp - False.
Phosphofructokinase is an enzyme that is involved in the process of glycolysis. It is used in phosphorylation of fructose-6-phosphate to fructose-1,6-bisphosphate. It utilizes ATP for this step.
It is one of the key regulator of the overall reaction. Its activity is regulated by ATP. Whenever more substrate is formed and more amount of ATP is present it combines with the phosphofructokinase to inhibit its enzyme activity.
AMP has a reversing effect to this. When AMP binds with the phosphofructoskinase it boost the reaction in the forward direction.
Thus the activity of the enzymes depends on the ATP/AMP ratio in the cell.
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DNA contains the instructions that cells need to make what organic compounds
Answer: develop, survive and reproduce
Explanation:
When the receptor cells have registered a _____, the energy is converted to an electrochemical impulse.
When the receptor cells have registered a Stimulus sensory organs the energy is converted to an electrochemical impulse.
What is meant by electrochemical impulse?They communicate among centers in the central nervous system and they command your muscles to move. Nerve impulse are electrochemical events. Observed as an electrical event , a nerve impulse is called action potential.
Without nerve conduction, the process by which nerve impulses travel along our neurons, none of our perceptions, thoughts, or memories would be possible. Nerve conduction is an electrochemical process, which means it involves the use of electricity generated by chemical molecules.
Stimulus sensory organs like ear, eyes, nose, skin and tongue are called sensory organs. Stimulus is visual, taste, touch, smell and hear.
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In meiosis, how does prophase i differ from prophase ii (choose all that apply)?
One diploid cell is present during prophase I, while two haploid cells are present during prophase II.
Describe haploid:Haplotype refers to a cell having just one pair of chromosomes. Haplotype is another word for the number of chromosomes present in sperm or egg cells, which are frequently referred to as gametes. Each of the 23 chromosomes in human haploid cells, which make up gametes, is one of a pair that is present in diploid cells.
What is an example of a haploid?Haplotype cells include, for example, gametes (male or female germ cells). Diploid cells include those found in blood, skin, and muscle.
How is haploid generated?When a parent cell divides twice, four haploid daughter cells with just half of the original genetic material are created instead of two diploid daughter cells with the entire set of genetic material on the first division.
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When a non-enveloped animal virus adsorbs to the host cell with its protein spikes, the virions are taken into the cell by the process of:_______
When a non-enveloped animal virus adsorbs to the host cell with its protein spikes, the virions are taken into the cell by the process of endocytosis
What is endocytosis?Substances are introduced into the cell during endocytosis, a cellular process. A portion of the cell membrane that surrounds the substance to be internalised splits off to form a vesicle that holds the substance once it has been ingested. Phosphocytosis and pinocytosis are two examples of endocytosis.
By engulfing substances from the outside in a vesicle, cells can take them in through the process of endocytosis. Pathogens that immune cells engulf and eradicate can be one of these, as can nutrients that support the cell.
The movement of glucagon from the pancreas into the liver, where it is further processed for simpler absorption into the blood stream, is an example of exocytosis. delivery of protein-filled vesicles by T cells to virally infected cells.
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The small, almond-shaped organs of the female reproductive system, suspended by ligaments in the upper lateral portion of the pelvic cavity are known as?
The small, almond-shaped organs of the female reproductive system, suspended by ligaments in the upper lateral portion of the pelvic cavity are known as ovaries.
Ovaries are oval-shaped so are also termed almond-shaped organs and are present on the sides of the uterus in females. In females, the processes of pregnancy and ovulation which is also termed menstruation are controlled by the hormones that are made by ovaries. These hormones include estrogen and progesterone. Another major function of the ovary is that it releases the female gametes known as eggs during the menstrual cycle.
The ovaries are attached to two types of ligaments which are the ovarian ligament and suspensory ligament. Ovaries are connected to the womb by the ovarian ligament while the suspensory ligaments of the ovary contain the ovarian vessels and nerves.
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Which cell, at the end of the arrow, is present in many connective tissues and can differentiate into different types of cells?
Answer:
primary cells are not always present but people make use of secondary cells
Explanation:
primary cells are not always present but people make use of secondary cells
If an atom has 14 protons, 11 neutrons, and 17 electrons, what is the atom's electrical charge?
Answer:
It would be=
14 protons -
17 electrons=
-3 :D
When you subtract protons from electrons, you get the electrical charge.
Explanation:
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The emt should recognize normal cellular metabolism as:____.
a. glycolytic.
b. aerobic.
c. anaerobic.
d. ambient.
The EMT should recognize normal cellular metabolism as Aerobic.
What is aerobic?
Aerobic cellular metabolism refers to the process by which living organisms convert nutrients into energy for the body to use via the oxidization of nutrients.
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The property of having antimicrobial effects in exceedingly small amounts is called a(n) _____ action. multiple choice question. degerming antiseptic oligodynamic radiative
The property of having antimicrobial effects in exceedingly small amounts is called a(n) oligodynamic action. multiple choice question. degerming antiseptic oligodynamic radiative.
What does oligodynamic action mean?The capacity of trace levels of heavy metals to kill bacterial cells is known as oligodynamic action. In small amounts of aqueous solutions, certain metals and metal complexes bestow the capacity to modify and lastly, kill microorganism cells in a distinctive manner.Which are the metals that exhibit oligodynamic effect?Mercury, silver, copper, brass, bronze, tin, iron, lead, and bismuth are among the metals that show the oligodynamic effect. Mercury and silver have the greatest impact of all metals.The oligodynamic effect: how does it operate?The bacteria become inactive as a result of the metal ions' binding to proteins in bacterial cells. And the method is effective: One investigation looked at E-contaminated water.To learn more about antimicrobial effect visit:
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The ____ of the spinal cord carries motor information from the brain to the muscles and glands
The correct answer is Descending tract of the spinal cord carries motor information from the brain to the muscles and glands.
One of the main pathways by which information travels between the body and the brain is the spinal cord. The brainstem continues caudally into the spinal cord.
Descending tract of the spinal cord.
Descending tracts provide motor information from the brain through the spinal cord to the body, such as commands to move the arm.
The primary characteristic of the musculoskeletal system that promotes locomotion is muscular contraction against a relatively fixed skeletal framework. But to move, muscle fibers need the action potentials produced by the spinal motor neurons of the anterior grey horn. Numerous upper motor neuron pathways that start above the level of tells control these lower motor neurons of the anterior grey horn in both conscious and unconscious ways (i.e. cerebral cortex, cerebellum, etc.). The actions of the upper motor neurons provide stimulatory and inhibitory modulation of the activity of the anterior horn cells, and by extension, the activity of the motor system.
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In addition to burning fossil fuels, humans return co2 to the atmosphere faster than it can be removed by:__________
In addition to burning fossil fuels, humans return co2 to the atmosphere faster than it can be removed by plants.
What are fossil fuels?Fossil fuels are created from decaying plants and animals. These fuels may be burned to provide energy and are present in the crust of the Earth. Fossil fuels include things like coal, oil, and natural gas.
Fossil fuels are used to create energy; they are burned in homes to create heat, in huge power plants to create electricity, and they are also used to power engines.
Fossil fuel air pollution can result in acid rain, eutrophication (extra nutrients that can impact aquatic ecosystems by lowering oxygen levels), damage to crops and forests, and harm to wildlife. Fossil fuels contribute to water pollution through oil spills and fracturing fluids.
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What is the hydrolysis of atp and preparation for reattachment to the thin filament by the myosin head called?
The hydrolysis of atp and preparation for reattachment to the thin filament by the myosin head called the recovery stroke.
What is myosin ?Myosins are a class of motor proteins well recognized for their functions in the contraction of muscles and a variety of other eukaryotic motility processes. They are ATP-dependent and in charge of motility based on actin. By Wilhelm Kühne, the first myosin was identified in 1864.
When the myosin pulls the actin what is happening?The actin is drawn along by the myosin head as it advances in the direction of the M line. The filaments migrate nearer the M line by around 10 nm as the actin is tugged. The power stroke is the name given to this motion because it is where force is generated.
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Animals are able to conductphotosynthesis:____.
A. not cellular respiration.
B. net o 2 consumers and co 2producers.
C. net o 2 and co 2producers.
D. net o 2 producers and co 2consumers.
E. net o 2 and co 2consumers.
Animals are :
B. net o 2 consumers and co 2producers.
All living organisms produce energy through cellular respiration, which is found in both plants and animals. Food is broken down and absorbed by the cells as glucose molecules when it is consumed and digested by an animal. They simultaneously take in oxygen, which enters the cells through the bloodstream, lungs, and other organs. The components and environment are ready for cellular respiration to begin once glucose and oxygen enter the cytoplasm of the cells.
The bodily processes that are powered by ATP include breathing, blood circulation, digestion, reaction to stimuli, muscle movement, and cell division, repair, and growth (matter). Energy is used in everything an animal does.
Animal Cellular Respiration (Human Example):
1) Digest a piece of pie and begin.
2) Pie is broken down into carbohydrate molecules during digestion.
3) Glucose molecules are created when carbohydrate molecules disintegrate.
4) In the mitochondria of the cells, glucose molecules are transformed into ATP along with oxygen from breathing (energy).
Cellular respiration is a multi-stage process that releases carbon dioxide and water while converting glucose and oxygen into ATP, the cellular form of energy. The equation:
C6H12O6 (1 glucose molecule) + 6 O2 ---> 6 CO2 + 6 H2O + 36 ATP (Energy)
carbohydrate + oxygen ---> carbon dioxide + water + ATP (Energy)
In animals, 1 molecule of glucose and 6 molecules of oxygen are converted into approximately 36 molecules of ATP, 6 molecules of water, and 6 molecules of carbon dioxide during cellular respiration.
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Neurons have a very limited ability to divide after injury because most neurons lack which organelle(s)?
centrioles
Neurons have a very limited ability to divide after injury because most neurons lack with centrioles.
This is because centrioles function in cell division, the fact that neurons lack these organelles is consistent with the amitotic nature of the cell.
Role of centrioles:Animal cells' cytoplasm contains a pair of barrel-shaped organelles called centrioles that are close to the nuclear envelope. The skeletal framework of the cell, the microtubules, are organized by centrioles. They aid in identifying the locations of the cell's nucleus and other organelles.The centriole's main job is:A. emergence of spindle fibers.
B. creation of the nucleus.
C. the starting of cell division.
D. development of the cell plate.
What occurs in the absence of Centriole?Scientists have discovered that cells without centrioles exhibit a delay in spindle assembly and a higher rate of chromosomal instability. A faulty or asymmetric mitosis is produced, and apoptosis is also triggered.To learn more about centrioles visit:
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Sour dough bread is made sour by a decrease in ph caused by the acids produced by lactic acid bacteria.
a. true
b. false
Answer:
Sour dough bread is made sour by a decrease in ph caused by the acids produced by lactic acid bacteria is true.
Explanation:
A combination of flour with water is used to make sourdough, which is then fermented with yeast plus lactic acid microorganisms, especially bacteria. Then the starter's acids are what gives the bread its sour flavor. The starter has the ideal conditions to ferment and develop that particular sour flavor because of the components and a warm atmosphere. Find a cold environment for something like the dough to form if you want to produce a much more sour loaf.
Depending on the state of fermenting that it is in, the sourdough's pH varies, although in average it ranges from 3.5 to 5. Because harmful microbes cannot grow in a system with a pH lower than 4.6, this happens because the acidity keeps them away.
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respira
photosynthesis are two of the major processes involved in cycling carbon
through the carbon cycle. Examine the model. How does cellular respiration cycle carbon
compounds through the biosphere? Choose the TWO choices that apply.
Sunlight
Carbon Cycle
CO₂ in the
atmosphere
Photosynthesis
by producers
Plant
respiration
Carbon fixation
by consumers
Animal
respiration
Decomposition
Fossils and fossil fuels
Fossil fuel
combustion
Cellular respiration absorbs carbon dioxide from the atmosphere.
Cellular respiration releases carbon dioxide into the atmosphere.
Cellular respiration uses carbon containing compounds to produce ATP.
Cellular respiration absorbs carbon containing compounds from the soil.
Cellular respiration releases carbon containing compounds into the soil.
Nondisjunction of the ______ chromosome during meiosis can produce offspring that are xxx or xxy.
Nondisjunction of the X chromosome during meiosis can create offspring that are XXX or XXY.
Nondisjunction is an abnormal condition which is characterized by the inability of pair of homologous chromosomes or the sister chromatids to segregate during the process of meiosis. It results in the formation of gametes with an abnormal chromosome number.
Offspring with the karyotype of XXX exhibit an uncommon condition which is observed in females. However, the offspring having the karyotype XXY is rarely observed in males and is associated with the Klinefelter syndrome.
The XXX type offspring are normally healthy but somewhat taller than the average females. The XXY type offspring possess poorly developed male sex organs and also exhibit features such as tall height, enlarged breast tissue, etc.
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Which component of the membranous labyrinth is used to transmit auditory information?
The cochlea is the component of the membranous labyrinth used to transmit auditory information.
The cochlea is a hollow, spiral-shaped structure of the internal ear that plays a key role in hearing. The spiral structure of the cochlea enables it to detect various sound frequencies and helps in the transduction of the electrical impulse which is interpreted by the brain.
The sound vibrations are carried through a fluid known as endolymph. The hair cells in the organ of Corti, inside the cochlear duct, then transmit the mechanical vibrations into electrical impulses. The electrical nerve impulses are then carried by the vestibulocochlear nerve from the cochlea to the brain for interpretation.
Auditory vibrations are transmitted by the tympanic membrane and through the labyrinth, the fluid inside the cochlea. This fluid then activates the organ of the corti which then processes the vibrations to produce electrical impulses and then send them to the brain.
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An algal bloom can have a drastic, and often detrimental, impact on ________ biomes.
Aquatic biomes can be severely affected by an algal bloom, frequently to their harm. Fish and other aquatic life may have a harder time finding food as a result of algae blooms, and whole populations may move away or even perish as a result.
Thick, green muck produced by harmful algal blooms has an adverse effect on clear water, leisure activities, companies, and property values.
The process of eutrophication, which happens when the environment becomes enriched with nutrients, increases the quantity of plant and algae development in estuaries and coastal waters, is what causes harmful algal blooms, dead zones, and fish kills.The excessive growth of algae in water bodies is referred to as eutrophication. Algal blooms are what are known as these phytoplankton masses or blooms.Blue-green algae blooms (also known as cyanobacteria, contaminated water supplies, and hypoxia are some of the known effects of cultural eutrophication.Learn more about algae here:
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If a dna-binding protein "reads" a short stretch of dna and detects the following "second" genetic code provided by the functional groups located on each base as h-hd-ch3-ha-ha-ha-ha-hd, then what is the corresponding sequence of bases?.
The corresponding sequence of the bases is C-T-G-A.
DNA binding proteins- Due to their ability to bind to DNA, these proteins are known as DNA-binding proteins. DNA-binding proteins perform a variety of tasks, including as regulating the synthesis of proteins, controlling cell growth and division, and storing DNA inside the nucleus.
Protein Synthesis- The method through which ribosomal RNA, transfer RNA, messenger RNA, and different enzymes are used to organize amino acids into proteins in a linear fashion.
Amino acid- Proteins are made up of substances called amino acids.
C stands for Cytosine, T stands for Thymine, G stands for Guanine, A stands for Adenine.
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Static charges can cause explosions and fires wherever there are flammable materials.
True
False
Answer:
true
Explanation:
because Under certain circumstances, a discharge of static electricity can create the spark that starts a fire or triggers an explosion.
The ___________ is the thin layer of the mucosa responsible for pulling the mucosa into its many folds which increases the surface area of the alimentary canal.
Muscularis mucosa
The Muscularis mucosa is the thin layer of the mucosa responsible for pulling the mucosa into its many folds which increases the surface area of the alimentary canal.
The mucosa's outermost layer is called the muscularis mucosa. Elastic fibers and 3–10 smooth muscle cells make up its structure, which is often divided into an inner circular layer and an outer longitudinal layer. From the muscularis mucosa, smooth muscle cells may expand into the lamina propria and the villi.Where can you find the muscularis mucosa?The oesophagus and the large intestine, particularly in the terminal region of the rectum, have exceptionally well-developed muscularis mucosae. Additionally, the villi or spaces between the tubular glands of the stomach and large intestine contain isolated muscle cells descended from the muscularis mucosae.To learn more about muscularis mucosa visit:
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The proteins and cell components of halophiles have remarkably high intracellular levels of ________, which helps them survive in high salt conditions.
The proteins and cell components of halophiles have remarkably high intracellular levels of potassium, which helps them survive in high salt conditions. Proteins are big, complex molecules that perform numerous important functions in the body. Every protein is designed to perform a certain purpose. Any protein in the human body may be made with only 20 amino acid variations.
The seven categories of proteins are: contractile proteins, enzymes, hormone proteins, structural proteins, storage proteins, and transport proteins. They carry out the majority of the work in cells and are crucial for the structure, operation, and control of the body's tissues and organs.
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what is a flat representation of the earth's surface
Contrast how DNA is contained in prokaryotes and eukaryotes
Answer:
Prokaryotic genomic DNA is attached to the plasma membrane in the form of a nucleoid, in contrast to eukaryotic DNA, which is located in a nucleus.
Explanation:
At the base of the aortic artery, where it originates from the left ventricle, is the:____.
At the base of the aortic artery, where it originates from the left ventricle, is the aortic valve.
The main artery from which the blood travels from the heart to all other parts of the body in humans is referred to as the aortic artery.
At the base of the aortic artery, the site from where this artery originates from the left ventricle, an aortic valve is present. The function of the aortic valve is to prevent the backward flow of blood from the aorta to the left ventricle. It is due to the aorta valve that blood travels from the left ventricle to the aortic artery smoothly. The aortic valve separates the aortic artery from the left ventricle.
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Which connective tissue is composed of many interwoven and randomly organized collagenous fibers?
Dense irregular connective tissue is composed of many interwoven and randomly organized collagenous fibers.
Connective tissue- Tissue that provides structure, support, and protection to other human tissues and organs. In addition to helping to transport nutrients and other substances between tissues and organs, connective tissue also helps to store fat and mend damaged tissue. A gel-like material, fibers, and cells make up connective tissue.
Collagenous Fibers- Tropocollagen subunits, which make up collagen fibers, may be categorized into at least 30 distinct fiber types according to their -chain amino acid sequences. The presence of the hydrated matrix made up of GAGs and proteoglycans is what allows the ECM to endure compressive stresses.
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The alternative circulatory route that involves vessels merging together is a(n)?
The alternative circulatory route that involves vessels merging together is Circulatory anastomosis.
An anastomosis is any connection between two vessels. Circulatory anastomoses are named after the vessels that connect two arteries (arterio-arterial anastomosis), two veins (veno-venous anastomosis), or an artery and a vein (arteriovenous anastomosis).
Anastomoses occur naturally in the body's circulatory system, serving as backup routes for blood flow if one link is blocked or otherwise compromised.
Anastomoses between arteries and anastomoses between veins result in a plethora of arteries and veins serving the same volume of tissue. Such anastomoses occur normally in the body in the circulatory system, serving as backup routes for blood flow if one link is blocked or otherwise compromised, but they can also occur pathologically.
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Which of the cells of the pancreas would secrete their product if the blood glucose level was rising, as during digestion of a meal?
The pancreas has a cell called Beta Cell, which is responsible for secreting all products if the blood glucose level is rising, as during the digestion of a meal.
Beta Cell constitutes about 75% of pancreas hormone cell, which help to maintain the insulin level in the blood because if a human takes a meal, during digestion, the blood glucose level rise, which can cause diabetes. To overcome this, beta cells release insulin in the blood, breaking down the sugar or glucose molecules and converting them into energy.
Therefore, Beta Cell is a cell that is responsible for all the secretion of pancreas products when the blood glucose level rises during the digestion of food in our body.
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