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monitta
3 years ago
11

Name this structure A:double helix B:nucleotide C:twisted ladder D:hydrogen bond

Biology
1 answer:
andrew11 [14]3 years ago
7 0

Answer:

B.

Explanation:

Contains a phosphate group (yellow), nitrogenous base (green), and pentose sugar (blue).

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3 years ago
4. Celery has very small flowers clustered into an inflorescence called an umbel. Based on what you noted about flower morpholog
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Answer:

Compound Umbel.

Explanation:

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3 years ago
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D, Energy decreases from bottom to top because some is used at each level for life processes. 
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