Answer:

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Answer:
The original price was $700.
50% of 700 = 350
She can spend 7.50 dollars and have 4 left over
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:
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