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Questions and Answers
What is the main function of ribosomes?
What is the main function of ribosomes?
- Metabolism regulation
- DNA replication
- Cell division
- Protein synthesis (correct)
What is the role of tRNA in protein synthesis?
What is the role of tRNA in protein synthesis?
- DNA replication
- Transcription
- mRNA synthesis
- Translation (correct)
How does RNA differ from DNA?
How does RNA differ from DNA?
- RNA is double-stranded, DNA is single-stranded
- RNA contains deoxyribose sugar, DNA contains ribose sugar
- RNA has uracil instead of thymine, DNA has thymine (correct)
- RNA is found only in prokaryotic cells, DNA is found only in eukaryotic cells
Which chromosomes determine the sex of an individual in humans?
Which chromosomes determine the sex of an individual in humans?
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What is sexual reproduction?
What is sexual reproduction?
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Where does transcription occur during protein synthesis?
Where does transcription occur during protein synthesis?
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What is the role of mRNA in protein synthesis?
What is the role of mRNA in protein synthesis?
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How do secondary sexual characteristics differ from primary sexual characteristics?
How do secondary sexual characteristics differ from primary sexual characteristics?
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What contributes to genetic variation among individuals?
What contributes to genetic variation among individuals?
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What is the function of the placenta during pregnancy?
What is the function of the placenta during pregnancy?
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