Answer: The lipids and proteins that make up the membrane allow it to be selective about what enters and leaves the cell. The fluid inside the membrane buffers the chemical reactions taking place inside the cell.
Explanation:
An insertion mutation occurs when an extra nucleotide is added to the DNA strand during replication. This can happen when the replicating strand "slips," or wrinkles, which allows the extra nucleotide to be incorporated (Figure 2). Strand slippage can also lead to deletion mutations. I’m not sure if this right but I tried
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Answer:</h3>
Antibiotics have no effect on them.
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Explanation:</h3>
- Viral pathogens are not effected by antibiotics
- Bacterial pathogens are effected by antibiotics
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oxidation, hydration, and acid rain
hope this helps.
Answer and Explanation:
Because the DNA sequence determines a protein's amino acid sequence, a gene shared by two closely related organisms should have similar, or even identical, amino acid sequences. That's because closely related species most likely diverged from one another fairly recently in the evolutionary span. Thus, they haven't had as much time to accumulate random mutations in their genetic codes.
