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Questions and Answers
What is the major characteristic of prophase I of meiosis?
What is the major characteristic of prophase I of meiosis?
- Condensation of chromosomes and crossing over (correct)
- Separation of sister chromatids
- Formation of spindle fibers
- Alignment of homologous chromosomes at the metaphase plate
What is the role of DNA ligase in DNA replication?
What is the role of DNA ligase in DNA replication?
- Initiating RNA primer synthesis
- Unwinding the DNA double helix
- Joining Okazaki fragments on the lagging strand (correct)
- Proofreading and repairing DNA mismatches
What is the function of a promoter in transcription?
What is the function of a promoter in transcription?
- Provides the start codon for translation
- Adds a protective cap to the 5' end of mRNA
- Initiates the binding of RNA polymerase to the DNA template (correct)
- Removes introns from pre-mRNA
What distinguishes polygenic inheritance from Mendelian inheritance?
What distinguishes polygenic inheritance from Mendelian inheritance?
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What is the primary function of tRNA during translation?
What is the primary function of tRNA during translation?
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