The two dna strands run in opposite directions. what vocab word describes this orientation?

1 answer:

6 0

2<span>. the amount of G = the amount of C (pairing ratio of 1:1) c. the hydrogen bonds hold the molecule in its defintive shape. Complementary bases</span>

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Please help: Which process in plant physiology could not occur if the opening of the undersides leaves are closed?

lapo4ka [179]

A)Photosynthesis

Explanation:

Photosynthesis is the process by which green plant prepare glucose using carbon dioxide and water in presence of sunlight and chlorophyll.
The openings on the undersurface of the leaves are called stomata.
Stomata play a vital role in exchange of gases between tissues and the surrounding.
If these openings remain closed then carbon dioxide will not diffuse into the cells and oxygen will not diffuse out of the cell.
As a result, photosynthesis will not take place and the plants will die due to lack of food and nutrients.

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3 years ago

Assume that a DNA double helix contains 100 base pairs (one pair is A-T or C-G) and there are 45 cytosines.

pochemuha

Cytosine(C) binds with Guanine(C)

Adenine(A) binds with Thymine(T)

a.From here we can deduct that there are the same number of nucleotides of guanine that as cytosine=>G=45 base pairs

b.2A=100-G-C

2A=100-90 2A=10 A=5 base pairs

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3 years ago

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