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Zigmanuir [339]
3 years ago
9

Why is meiosis necessary

Biology
2 answers:
Kaylis [27]3 years ago
5 0

Answer:

Meiosis is important because it produces gametes, female or male germ cells. During meiosis a germ cell divides to make four new sex cells.

Explanation:

loris [4]3 years ago
5 0

Answer:

because it ensures that all organisms produce via sexual reproduction contain the correct number of chromosomes.

Explanation:

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What does Proximal and Distal mean?
Scilla [17]

Answer: In medicine, it refers to parts of the body further away from the center. For example, the hand is distal to the shoulder.

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3 years ago
A cytoskeleton is:_______.
Softa [21]

Answer: e

Explanation: Cytoskeleton is a microfilaments, intermediate filaments, and microtubules that provide support and movement for eukaryotic cytoplasm.

1. Prokaryotic cytoplasm lacks certain features of eukaryotic cytoplasm, such as cytoskeleton and cytoplasmic streaming.

2. The cytoskeleton provides support and shape to cell.

3. It help in transporting substances through cell.

4. It help in phagocytosis.

5. It help in cytoplasmic streaming that is movement of eukaryotic cytoplasm from one part of cell to another which help distribute nutrients and move the cell over the surface.

6. The study of the numerous interaction between microbes and host cell cytoskeleton is a very intense area of investigation on virulence mechanism.

7 0
3 years ago
Which of these is a polysaccharide? A. Lactose. B. Glycogen. C. Sucrose.
geniusboy [140]

cellulose is a polysaccharide.

A significant class of biomolecules is polysaccharides. They are large chains of monosaccharide molecules that are linked together. These intricate biomacromolecules serve as a vital energy source for animal cells and are a crucial part of plant cells' structural makeup. The nature of the monosaccharides determines whether it is a homopolysaccharide or a heteropolysaccharide.

A branching polysaccharide is a type of carbohydrate that is different from a linear polysaccharide, which is a straight chain of monosaccharides.

Organisms have this energy in reserve. The molecules are hydrophobic because water cannot enter them because of the many hydrogen bonds present. They permit adjustments to the concentration gradient, which affects how the cells absorb nutrients and water.

Learn more about Polysaccharide here:

brainly.com/question/16580858

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8 0
1 year ago
What structure, still found in cells today, was key in causing a change from chemical evolution to biological evolution?
PtichkaEL [24]

Answer:

Prokaryotic cells (bacteria) lack a nuclear envelope; eukaryotic cells have a nucleus in which evolution was thus reached in the early 1980s, when it was discovered an early stage of chemical evolution is thought to have been based on chloroplasts are still encoded by the organelle genomes.

Explanation:

5 0
3 years ago
what compound is the major precursor to all glycerophospholipids? what compound is the major precursor to all glycerophospholipi
d1i1m1o1n [39]

Acetyl call age is the major precursor to all glycerophospholipids.

<h3>What is glycerophospholipids?</h3>

Glycerophospholipids are detergents and, as such, they reduce water surface tension and stabilize the dispersion of hydrophobic compounds (cholesterol and neutral fats) in aqueous solutions. The capacity of phospholipids to function as detergents is important in bile, where they favor the solubility of cholesterol.

in the given question, this is part of the concept of a cycle basically in biology. So this compound is not considered a precursor for the production of glucose neurogenesis in humans, which is the correct answer, we have the Acetyl Call Age. The reason is that always remember that the gluconate eugenic pathway converts pyre of eight two glucose and non-carbohydrate precursors of glucose are first converted into paraguay or even in the pathway at later intermediates such as axel acetate and the hydro accident phosphate, the main non-carbohydrate precursor, our lactate, we have lock band, we have amino acids and also glycerol. In the human body, glucose cannot be synthesized from fatty acids because they are converted by beta-oxidation to acetyl coenzyme, which then enters the citric acid cycle where it is oxidized to carbon dioxide. The starting materials for glucose neurogenesis. Our three carbon compounds including lactate pyre of it and we also have glycerol and certain amino acids, fatty acids and ketogenic amino acids cannot be used to synthesize glucose. The transition reaction is a one-way reaction, which means that the acid still cannot be converted back to piracy. Consequently, fatty acids cannot be used to synthesize glucose because better oxidation will produce acidic alkalis. Acetylcola is therefore not considered a precursor for the production of glucose.

To learn more about glycerophospholipids from the given link:

brainly.com/question/23105733

#SPJ9

8 0
1 year ago
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