X is 4 because 64 is 8 squared, so 4 would be 2 squared
Answer:
1. Such a substitution could: change a codon to one that encodes a different amino acid and cause a small change in the protein produced. For example, sickle cell anemia is caused by a substitution in the beta-hemoglobin gene, which alters a single amino acid in the protein produced.
2. A - Mutations are sometimes helpful, sometimes harmful, and sometimes neutral
Step-by-step explanation:
the answer should be A because the sea level has rised
Answer:
d
Step-by-step explanation:
<u>Domain</u><u>~</u><u> </u>

<u>Range</u><u>~</u><u> </u>
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<em>Hope</em><em> </em><em>this</em><em> </em><em>helps</em><em> </em><em>:</em><em>)</em>