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kap26 [50]
3 years ago
13

Why does Meiosis go through steps twice and divide twice?

Biology
1 answer:
ElenaW [278]3 years ago
5 0
Só that the cell produced will have half the number of chromosomes as the parent cell.
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Which of the following cellular environments is conducive to the formation of disulfide bonds within or between proteins? Choose
STatiana [176]

Answer:

Rough endoplasmic reticulum and Mitochondria.

Explanation:

Disulfide bonds are known as covalent bonds. They are formed by the oxidation of 2 cysteines and these bonds can provide stability to proteins. These bonds mainly formed in intermembrane space of mitochondria and cellular compartments outside the cytoplasm endoplasmic reticulum. Both of these organelles present in an oxidation state providing an atmosphere for disulfide bond formation.

Cytoplasm and Nuclei mostly exit in reducing state because of the existence of disulfide reductase which is reducing the disulfide bonds between the cysteine residue to thiolate state. So, the disulfide bond formation will not happen.

7 0
3 years ago
Write the number of each atom in the chemical formulas for all of the possible combinations of positive and negative ions found
adell [148]

A chemical formula is obtained from the number of atoms in a compound.

Chemical compounds are composed of atoms. The number atoms of each element in a compound determines the correct formula of the compound. Before I can write the chemical formula of any compound, I must first determine the number of each atom in the compound.

For instance, phosphorus trichloride contains one atom of phosphorus and three atoms of chlorine hence I would place a 1 in the box for P and 3 in the box for Cl.

Learn more: brainly.com/question/17429336?

5 0
3 years ago
as water soaks underground, it first passes through a rock layer that has pores that are mostly filled with air. what zone is th
expeople1 [14]
This zone is called as the zone of aeration. It is present between the earth's surface and the water table, and its main constituents are the soil and rocks. The pores which are present in this zone are partly filled with water, and may mix up with air, causing aeration.
7 0
3 years ago
Read 2 more answers
Cells form a ______ arrangement when cells in a chain snap back upon each other forming a row of cells oriented side by side.
Debora [2.8K]

Answer:

Palisade

Explanation:

8 0
3 years ago
_________8. Which of the following is probably evolved first?
Burka [1]

Answer:

I think D) Glycolysis

Explanation:

<em>Glycolysis</em> is the <em><u>first pathway</u></em> used in the breakdown of glucose to extract energy. It takes place in the cytoplasm of both prokaryotic and eukaryotic cells. It was probably one of the earliest metabolic pathways to evolve since it is used by nearly all of the organisms on earth.

4 0
3 years ago
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