emilyburrell575
30.04.2021 •
Biology
8. Valves prevent blood from flowing backwards. Valves are located in the
O
veins
heart
heart and arteries
heart and veins
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Ответ:
Heart and artries
Explanation:
PLEASE MARK AS BRAINLIEST
Ответ:
Ответ:
Degeneration of Codons
Explanation:
Degeneration of codons accounts for the excised of synonyms mutations. A redundancy of genetic code occurs when there are more codons than amino acids. There are 64 codons but only 20 amino acids