Chemical reaction:
yes, as enzymes are proteins that catalyze biochemical reactions.
Energy storage:
This is not a main function of proteins.
Fighting infections:
Yes, as antibodies are proteins that our imune system makes to help fight infection.
Chemical signaling:
yes, as many of the molecules used by a cell to communicate with others are proteins.
Evaluate the rate of cell division over time.
(This is for a project about cell division using gizmo for different diagrams and this is the final question needing to be answered in 3-5 sentences. all I have so far is that the rate goes up over time but dont know what else to put)
The rate of cell division over time is calculated as an average for the entire meristem by dividing it with the total cell flux. Total cell flux may be characterized as the number of cells in the meristem.
What is Cell division?Cell division may be defined as a type of biological process through which a parental cell divides into two or more daughter cells. There are two types of cell division are there:
MitosisMeiosis.According to the context of this question, the availability of the nutrient plays an active role in the process of cell division. It can increase the population of cells by doubling the rate of promoting growth and division of respective cells.
Therefore, the rate of cell division over time is calculated as an average for the entire meristem by dividing it with the total cell flux.
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Which of the following processes is not associated with sexual reproduction?OOOOmeiosisfertilizationbinary fissionrecombination
Of the following processes the one that is not associated with sexual reproduction is the binary fission, that is a asexual reproduction by a separation of an organism of the body into two new bodies.
Help assp…..
What are the divisions of the PNS? (Choose all that apply)
A.autonomic nervous system
B.reflex arc
C.parasympathetic nervous system
D.somatic nervous system
it is B C and D
Hope this helps
Reflex arc, parasympathetic nervous system and somatic nervous system are the divisions of peripheral nervous system.
What are the functions of peripheral nervous system?The peripheral nervous system is one of two components that make up the nervous system of bilateral animals, with the other part being the central nervous system. The PNS consists of nerves and ganglia, which lie outside the brain and the spinal cord.
The peripheral nervous system refers to parts of the nervous system outside the brain and spinal cord. It includes the cranial nerves, spinal nerves and their roots and branches, peripheral nerves, and neuromuscular junctions.
The peripheral nervous system is divided into two main parts: Autonomic nervous system (ANS): Controls involuntary bodily functions and regulates glands.
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how is the rate of photosynthesis affected when leaf disks are exposed to different concentrations of bicarbonate solution?
The rate of photosynthesis affected when leaf disks are exposed to different concentrations of bicarbonate solution when the leaf disks immersed in the solution with the highest proportion (0.8% sodium bicarbonate solutions) rose in an average time of 4.91 minutes. This experiment demonstrates that the rate of photosynthesis can increase when there is more carbon dioxide present.
Photosynthesis- The method through which certain living animals and green plants convert sunlight into chemical energy. In green plants, visible light is gathered and utilized during photosynthesis to transform water, carbon dioxide, plus carbohydrates to make the glucose molecule. The photosynthesis occurs in two ways either PSI or PSII.
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What type of muscle typically forms a lining for various organs?A) Rough muscleB) Smooth muscleC) Cardiac muscleD) Skeletal muscle
The type of muscle that typically forms a lining for various organs is the smooth muscle. (option B)
Indicate the location and function of the plasma membrane, as well as an analogy of it.
Plasma membrane it's located in the exterior of all cells.
The plasma membrane has several functions: first, it's the barrier between the interior of the cell and the rest of the environment; secondly, it protects the cell and gives it support; it also regulates what substances pass to the interior of the cell.
If the cell was a ballon, the plasma membrane would be the latex and all the air inside would be the cytoplasm.
I need help with this practice problem solving My questions for you are at the top
Hi. We just had a session with this same question is there any doubt left?
At what level of protein structure do amino acid chains twist and fold?a) Tertiaryb) primary c) secondary d) Quaternary
The primary structure occurs when the protein structure is only a chain of amino acids, with no folds or twists. Therefore, b) is incorrect.
This primary structure then twists folds in itself, creating the structure that's folded and held in shape by hydrogen bonds. That's the secondary structure, and whats is folded in it is the amino acids. Therefore, c) is the correct answer.
The tertiary structure is a three-dimensional structure, shaped by interactions between the R groups of the amino a cids. To form this structure, the entire secondary structure elements (not the amino acids) are folded together. Therefore, a) is also incorrect.
The quaternary structure is a closely pack arrangement of several protein chains, each with its own primary, secondary and tertiary structure. Therefore, d) is wrong as well.
Which of the following is anenvironmental factor thatcould cause a mutation?A. psychological agentsB. irrelevant mutagensC. internal agentsD. biological mutagens
The correct answer is D. biological agents. Mistakes when DNA is replicated is a common biological source of mutations.
how could the differences in these pictures be related to evolutionary fitness?
To be considered as fit for evolution processes, a species must be able to adapt in its environment and with capacity to reproduce sucessfully. Ambrosia, for example, is an invasive species. It has the abillty to promote accelerated evolution due to its adaptibility to its environment. Zea mays is an excellent species for genetic analysis. Quercus also has evolutionary potential because of its physiological characteristics.
What would be the result on daughter cells if a cell did not complete S phase properly?
Answer:
The growth of all cells is governed by the cell cycle, including cell division. Before a cell can divide, many processes must occur, including the proper duplication of the chromosomes. The cell cycle ensures that all of these processes occur normally, otherwise the cell ceases to progress and could die
What molecule fits easily through the cell membrane's phospholipid bilayer?
A Protein
B Oxygen
C Glucose (Sugar)
D Salt
Answer:
B
Explanation:
since gases can pass through the phopholipids bilayer :)
When an animal is hungry it hunts for food. In this case, what is the stimulus?A. hungerB. hunting
And stimulus is a change in the organism or the environment that triggers a reaction, in this example, hunger causes the animal to hunt, so hunger would be the stimulus.
In order to maintain a high concentration of
potassium inside a cell (with a low
concentration outside) which of the following
must occur?
O passive transport
O active transport
O diffusion
O osmosis
Answer:
Passive transport does not require the cell to expend energy and involves a substance diffusing its concentration gradient across a membrane.
Sorry for the bad English, love from Vanuatu!
Explanation:
PLS HELP FIND CONTOUR INTERVAL N ILL MARK BRANLIEST!!
Directions: Study the contour map below. Using the contour map and what you learned
from the lesson, complete the questions below. When your report is finished, submit it to
the Topographic Maps Lab dropbox for grading. This assignment is worth 20 points.
True or FalseNatural selection and mutation have proven to have been able to produce a new kind of organism.
The statement is false.
New kinds of organisms are impossible to make because we don’t have the necessary information, (programming) or material to be able to construct kinds of organisms.
The anatomy of spiders and insects is structurally identical.
Please select the best answer from the choices provided:
True
False
Explain what is meant by “dimorphic” and how this term applies to pathogenic fungi.
Dimorphism is the occurence of the existence of two forms, in the case of sexual dimorphism the existence of two distinct types of a individual. The dimorphism among fungi is the capacity to convert between two specific morphological forms, like hyphae and yeast, the Ascomycota phylum have dimorphic organism. The dimorphism in fungi can happen depending of environmental condictions or situations, like an yeast in cold temperatures turning into mold.
If a city
were a model for a cell,
would wastewater be more
likely part of endocytosis or
exocytosis? Explain.
If a city were a model for a cell, would wastewater be more likely part of endocytosis.
Briefing:The process of engulfing an object or particle with the cell membrane and bringing it inside the cell is known as endocytosis. The membrane completely encloses the substance by folding it over.
What is an endocytosis ?Endocytosis is the process by which cells take in foreign material by encasing it in their membrane. The two primary kinds of endocytosis are ocytosis and receptor-mediated endocytosis.
What is endocytosis transport?Endocytosis is a term that refers to a variety of active transport processes that carry particles into cells by encasing it in vesicles made of plasma membranes (endo = internal, cytosis = transport mechanism).
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4. All enzymes have an optimal temperature at which they work as well as an optimal pH for their activity. Does this mean that enzymes only work at those specific temperatures and pH optimums? Briefly explain your answer using evidence from the unit that supports your answer.
Enzymes perform their functions within a specific temperature and pH range (which is specific for each enzyme in particular). In turn, within this range, there is a specific value at which they act in the most efficient way possible, which does not mean that they cannot on other values in the range. However, outside the limits of the range, the internal characteristic of enzymes can be affected and cause their denaturation, thus losing their capacity of action.
The complimentary base strands for TGA CAA CGA GGT ACT are start
The complimentary base strands for TGA CAA CGA GGT ACT are start
ACT GTT GCT CCA TGA.
Complimentary base strands- Adenine and guanine, as well as thymine and cytosine, are the complimentary bases in DNA. A nitrogen-containing base, such as guanine, adenine, thymine, or cytosine, a monosaccharide sugar termed deoxyribose, and a phosphate group make up each nucleotide in DNA.
The complimentary bases may unite to form a bond. This aids in holding the DNA molecule's two antiparallel strands together just to form the helix. The complimentary base pairing rule refers to this.
According to Chargaff's criteria, DNA from all cells of all creatures should contain a 1:1 ratio of pyrimidine & purine bases. More specifically, the amounts of guanine and adenine should be equivalent to cytosine and thymine, respectively.
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True or false? Having an autoimmune disease will eventually lead to death.Select one:TrueFalse
Answer: False
Explanation: Having an autoimmune disease will not necessarily lead to death, many of them have a treatment which allows the patient to maintain his/her quality of life.
When a gardener only plants seeds from the roses that are dark red, the process involved isSelect one:a.artificial variation.b.natural selection.c.artificial selection.
The process of selective breeding species, as the one we can see in the question's paragraph, is known as artificial selection, and it's a way to propagate a trait in the next generation of that species, in that case, it would be the dark red color of the roses.
A serum amylase is diluted 1/100 with a result of 45.0 U/L. What is the patient's actual amylase result?
A serum amylase is diluted 1/100 with a result of 45.0 U/L. The patient's actual amylase result is 4500 U/L.
Serum- Serum generally refers to the transparent fraction of any biological fluid, whether it comes from an animal or even a plant. For instance, the fluid released by serous glands is known as mammal serous (or serosal) fluid. The serum in blood is a clear, pale yellow liquid that is separated from of the blood and thus is free of blood cells & clotting components.
Amylase- The primary job of amylases is to hydrolyze all glycosidic linkages in molecules of starch, turning them to simple sugars. The three primary kinds of amylase enzymes—alpha, beta, and gamma—each affect the carbohydrate molecule in a different way.
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Define gluconeogenesis and lipogenesis. Under what conditions do they predominantly occur?
The process of producing glucose (sugar) from lipid (fat) or protein breakdown products, as well as from its breakdown products is called gluconeogenesis whereas the creation of fatty acids from nonlipid precursors is known as lipogenesis.
Gluconeogenesis predominantly occurs both in the kidneys and the liver, because phosphoenolpyruvate carboxykinase is inhibited by ADP. As a result, gluconeogenesis is encouraged in cells that are abundant in ATP and biosynthetic precursors.
The liver, adipose tissue, small intestine, kidneys, and mammary glands are the primary sites of lipogenesis. Additionally, it happens in blood lipoproteins and the digestive system. It is a metabolic pathway that is activated by the high availability of carbohydrates and is used to break down extra carbohydrates.
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What is the name of the southern part of South America?
Answer:
Patagonia is the southern psrt of south america.
Two black guinea pigs were mated and produced 29 black and 9 white offspring. What were the genotypes of the parent guinea pigs? What are the expected phenotypic and genotypic ratios of the offspring?
If the mating of 2 black guinea pigs produced 29 black and 9 white offspring, the genotypes of the parents would be heterozygous.
Expected phenotype ratio = 3:1 black to white
Expected genotypic ratio = 1 AA:2Aa:1aa
Monohybrid crossingThe mating of 2 black guinea pigs produced 29 black and 9 white offspring. The parents must be heterozygous.
Assuming the allele for the black trait is A while that of the white trait is a. The cross is between Aa and Aa.
Aa x Aa
AA Aa Aa aa
The black allele is assumed to be dominant over the white allele. Thus:
Phenotype ratio = 3:1 black to white.
The ratio of the offspring produced from the mating is 29 black to 9 white, which is roughly 3:1. Thus, the mating is between two heterozygous black individuals.
Expected phenotype ratio = 3:1 black to white
Expected genotypic ratio = 1 AA:2Aa:1aa
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Dimples are dominant; no dimples are recessive. Mr. Dowling is heterozygous for dimples, and Mrs. Dowling is also heterozygous for dimples. What are the possibilities of their offspring?
The possibilities of the offspring to have dimples is 75% (TT, Tt and Tt) and no dimples are 25% (tt) because both the parents are heterozygous dominant.
What are the three laws of mendelian genetics ?Mendelian inheritance is a type of biological inheritance that follows the principles that were initially proposed by Gregor Mendel in 1865 and 1866, re-discovered in 1900 by Hugo de Vries and Carl Correns, and popularized by William Bateson.
Mendel put out the hypothesis that, in order for reproduction to occur, the inherited components need to partition themselves into reproductive cells. It had come to his attention that permitting hybrid pea plants to self-pollinate would result in offspring that did not resemble their respective parents in appearance.
Law of Dominance is one of Mendel's three proposed laws of inheritance, which also includes Law of Inheritance. The law that enforced segregation. The Principle of Independent Assortment is a Law.
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What surface can only vacuum metal deposition be used on?
Porous surfaces
Non-porous surfaces
Metals
Fabrics
The surface that only vacuum metal deposition can be used on is option B: Non-porous surfaces.
What are Nonporous materials?Nonporous materials are substances that do not permit the passage of liquid or air. Nonporous materials are those that are not porous, such as glass, plastic, metal, and varnished wood.
Note that Vacuum lifting nonporous materials is much simpler than vacuum lifting porous surfaces, as the definition suggests. A proven method for creating latent fingerprints on non-porous surfaces is vacuum metal deposition (VMD).
Therefore, A variety of displays, such as flexible plastic packaging, plastic bottles, glass, and others, respond best to vacuum metal deposition (VMD).
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How many daughter cells are produced by the end of Mitosis?
A 1
B 2
C 3
D 4
Answer:
it produces two (2) daughter cells