When does transcription begin? Select one: O a. When RNA polymerase recognizes t

Question

When does transcription begin? Select one: O a. When RNA polymerase recognizes the promoter. b. When a mRNA strand, a tRNA molecule specifying the first amino acid, and both subunits of a ribosome come together. O c. During mRNA splicing O d. After the introns are removed and the exons have joined together All of the following statements about chromosomes are true EXCEPT Select one: O a. DNA condenses during mitosis in the life cycle of the cell. O b. A replicated chromosome consists of two chromatids that are identical. O c. An acrocentric chromosome has its centromere on the end of the chromosome. O d. Chromatin consists of DNA with associated proteins.

Explanation / Answer

When does transcription begin?

A) When RNA polymerase recognizes the promoter

All of the following statements about chromosomes are true except:

C) An acrocentric chromosome has its centromere on the end of the chromosome

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