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Mrrafil [7]
3 years ago
8

Plesase help mehh!! solve dis

Biology
1 answer:
Pavel [41]3 years ago
7 0

b atoms with a covalent bond hope this helps i wish you luck i no its right!!!!!!!!!!

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how do the strategically placed covalent and hydrogen bonds present in dna facilitate the functioning of the molecule
Sergio [31]
<h3><u>Answer and explanation;</u></h3>
  • DNA is a double stranded molecule. Covalent and hydrogen bonds pray important roles in the functioning of DNA molecules.
  • <em><u>Covalent bonds occur within each linear strand and strongly bond the nucleotide bases, sugars, and phosphate groups occurring both within each component and between components.</u></em>
  • <em><u> Hydrogen bonds occur between the two strands and involve a base from one strand with a base from the second in complementary pairing.</u></em>
  • Hydrogen bonds helps the complementary base pairs in DNA; guanine with cytosine and adenine with thymine to connect to one another. The hydrogen bonds between these complementary pairs helps keep the two strands of DNA helix together.

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3 years ago
Water has a density of 1 g/ml. What is the mass of the water if it fills a 10 ml container?
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Answer:

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5 0
2 years ago
The diagram shows the process of meiosis. How many divisions are required to decrease chromosome numbers and produce gametes?
Tresset [83]

The right answer is 2 divisions.

Meiosis follows the replication of DNA from a reproductive cell (male or female). It allows the passage of a so-called diploid mother cell to 2n chromosome homologous chromosomes to 4 single-chromosome haploid daughter cells. For that it must pass by two successive divisions, the first division is reductionelle generating two diploid cells with n chromosomes. the second division is equational giving 4 haploid cells to n chromosomes from the two preceding cells.

8 0
3 years ago
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Both prokaryote and eukaryote cells have this structure. It helps maintain homeostasis and is a boundary between the inside of t
Allushta [10]
Prokaryote and eukaryote both have cell membranes 
7 0
2 years ago
If 10.0 mL of blood plasma has a mass of 10.279 g and contains 0.870 g of protein, what is the mass/mass percent concentration o
Maru [420]

Answer:

Mass/mass percent concentration means the mass of the solute/mass of the solution times 100. You know both the mass of the solute (0.870 g protein) and the mass of the solution (10.279 g solution). So divide and multiply your result by 100.  (0.870 / 10.279 * 100)

Explanation:

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2 years ago
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