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maksim [4K]
2 years ago
8

Please help me with this 2nd time asking​

Biology
1 answer:
Luden [163]2 years ago
6 0

Answer:

B I think

Explanation:

there are 2 directions and in each direction there are 2 working in it

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A forensic scientist is trying to find out the number of adenine in the DNA sample that he obtained from a crime scene.
Anuta_ua [19.1K]

The right answer is The number of adenine will be equal to the number of thymine.

Chargaff's rules indicate that the DNA of any cell or organism must have a ratio of 1 to 1 between purine bases and pyrimidine bases and, more specifically, that the amount of guanine is equal to the amount cytosine, and that the amount of adenine is equal to the amount of thymine. This trend is found in both strands of DNA.

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3 years ago
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Bingel [31]

Answer:

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It is the mode through which a neuron transports electrical signals.

Explanation:

  • Option - (a) is the best choice to choose from,
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A second action potential cannot occur until the membrane has recovered or reestablished, this is the refractory period. The absolute refractory period coincides with inactivation of voltage-gated sodium channels which makes it impossible to generate another nerve impulse.

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My guess is worm

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