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BigorU [14]
3 years ago
9

The nitrogenous bases in DNA are held together by... A. Covalent Bonding

Biology
1 answer:
nataly862011 [7]3 years ago
5 0

Answer:

Hydrogen bonding

Explanation:

The nitrogenous bases form hydrogen bonds between opposing DNA strands to form the rungs of the twisted ladder or double helix of DNA.

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3 years ago
Which cell type in Human lacks a nucleus? What function would this cell be unable to carry out?
AnnZ [28]

Answer:

Red Blood Cell lacks a nucleus, it would be unable to carry oxygen efficiently.

Explanation:

The absence of a nucleus is an adaptation of the red blood cell for its role. This allows the red blood cell to contain more hemoglobin and, therefore, carry more oxygen molecules. It also allows the cell to have its own distinctive bivalve shape, which promotes diffusion.

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3 years ago
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Answer:

1.ecological

2.ecological?

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4.

5.

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Explanation:

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3 years ago
According to Newton's Second Law of motion, if you increase the force on an object, it will
Vilka [71]
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