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Jobisdone [24]
3 years ago
5

When seeds germinate, roots grow downward and stems grow upward in response to gravity. This response to gravity is called _____

__.
A. phototropism B. hydrotropism C. thigmotropism D. geotropism
Biology
1 answer:
VARVARA [1.3K]3 years ago
8 0

D. geotropism. Phototropism is the response to light, hydrotropism is the response to moisture, and thigmotropism is the response to a touch stimulus

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If the sequence of one strand on DNA is CTA GCT CCA,  the complementary strand is GAT CGA GGT.

Explanation:

The DNA molecule has four nitrogenous bases in its structure, two purines —adenine and guanine— and two pyrimidines, cytosine and thymine.

The two DNA strands are linked by hydrogen bonds established between their complementary nitrogenous bases, where a purine is complemented by a pyrimidine.

In the case of DNA, adenine is complemented by thymine and cytosine is complemented by guanine:

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In the sequence belonging to a DNA strand CTA GCT CCA, the strand that is complementary would be GAT CGA GGT.

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