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Questions and Answers
What is the role of tRNA in protein synthesis?
What is the role of tRNA in protein synthesis?
- Initiates DNA replication
- Carries amino acids to the ribosome (correct)
- Transcribes DNA to RNA
- Forms the ribosome structure
How does a point mutation differ from an insertion mutation in DNA?
How does a point mutation differ from an insertion mutation in DNA?
- Point mutation involves multiple nucleotide changes, while insertion mutation changes only one nucleotide.
- Point mutation and insertion mutation have no significant difference.
- Point mutation substitutes one nucleotide with another, while insertion mutation adds an extra nucleotide. (correct)
- Point mutation deletes a nucleotide, while insertion mutation rearranges the nucleotides.
During which phase of the cell cycle does DNA replication occur?
During which phase of the cell cycle does DNA replication occur?
- M phase
- S phase (correct)
- G2 phase
- G1 phase
