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Triss [41]
3 years ago
5

How is polyploidy defined​

Biology
2 answers:
Anettt [7]3 years ago
6 0

Answer:

Polyploidy is the state of a cell or organism having more than two paired (homologous) sets of chromosomes. Most species whose cells have nuclei (eukaryotes) are diploid, meaning they have two sets of chromosomes—one set inherited from each parent. Hence ploidy is defined with respect to a cell.

Explanation:

Rus_ich [418]3 years ago
4 0
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While assessing a client who sustained a road traffic accident, a nurse notices that the client is unable to clench his teeth. w
NISA [10]
<span>If a nurse notices that an accident victim cannot clench his teeth, there is a good chance that his trigeminal nerve has been affected. This nerve is located inside the brain and its primary purpose is to transmit sensations from a person's face to the brain. Damage to this nerve could cause the patient to be unable to clench their teeth.</span>
6 0
3 years ago
Amino acids are processed by the liver. <br><br> Describe this process.
inessss [21]

Regulation of amino acids

When amino acids are absorbed by liver cells a series of chemical reactions begins. ... The amine group is reduced to ammonia by the addition of a hydrogen atom. This process is called deamination. The non-nitrogenous portion of the molecule is converted to carbohydrates or fats.

6 0
3 years ago
Do all living tissues contain catalase? Claim, evidence, and reasoning
allsm [11]

Yes, the all living tissues contains the catalase, Catalase protects cellular organelles and tissues from damage by peroxide.

<h3>Do all living tissues contain catalase?</h3>

Catalase is a common antioxidant enzyme which is present in all living tissues of an organism and it is responsible for the degradation or reduction of hydrogen peroxide to water and molecular oxygen using either iron or manganese as a cofactor.

Liver, potatoes and other living tissues contain the enzyme catalase. This enzyme breaks down hydrogen peroxide which is a harmful by-product of the process of cellular respiration. If it builds up in concentration in the cells, the cells are adversely affected which leads to serious complications in the organisms.

So we can conclude that all living tissues contains the catalase, Catalase protects cellular organelles and tissues from damage by peroxide.

Learn more about Catalase here: brainly.com/question/1626108

#SPJ1

8 0
2 years ago
Identify the true statements regarding liver glycogen phosphorylase a. Protein phosphatase 1 is abbreviated PP1. The binding of
katrin2010 [14]

Answer:

Liver phosphorylase a concentration decreases when glucose enters the blood.

The binding of glucose to liver phosphorylase a shifts the equilibrium from the active form

As the concentration of phosphorylase a decreases, the activity of glycogen synthase increases. to the inactive form

Explanation:

Protein phosphatase 1 (PP1) is a phosphatase enzyme known to remove phosphate groups from serine/threonine amino acid residues. PP1 plays diverse biological roles including, among others, cell progression, control of glucose metabolism, muscle contraction, etc. In glucose metabolism, PP1 regulates diverse glycogen metabolizing enzymes (e.g., glycogen synthase, glycogen phosphorylase, etc). In the liver, glycogen phosphorylase catalyzes the rate-limiting step in glycogenolysis by releasing glucose-1-phosphate. Glycogen phosphorylase <em>a</em> is converted (and inactivated) into the <em>b</em> form by PP1, which catalyzes the hydrolysis of the phosphate bond between serine and the phosphoryl group. In the liver, glucose binds in order to inhibit glycogen phosphorylase <em>a</em>, thereby inducing the dissociation and activation of PP1 from glycogen phosphorylase <em>a</em>.  

5 0
3 years ago
Barley is a grain that grows in many parts of the world. A plant geneticist identifies a gene for larger kernels in a wild relat
bogdanovich [222]
Correct answer - C Phenotype.

Why? - Phenotype, all the observable characteristics of an organism that result from the interaction of its genotype (total genetic inheritance) with the environment. Examples of observable characteristics include behaviour, biochemical properties, colour, shape, and SIZE.
6 0
2 years ago
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