1. Which of the following ensures that most genes on one X chromosome are not expressed in female animal cells? a.Knockout b.Circadian rhythm c.Repressors d,X chromosome inactivation 2. Which of the...

1. Which of the following ensures that most genes on one X chromosome are not expressed in female animal cells?

a.Knockout

b.Circadian rhythm

c.Repressors

d,X chromosome inactivation

2. Which of the following is a function of histones in the process of gene expression?

a.They wrap or unwind DNA and affect which DNA regions are accessible to RNA polymerase.

b.They transport mRNA to key regions in the cytoplasm.

c.They bind to DNA to increase or decrease transcription.

d.They modify newly transcribed mRNA sequences.

Jun 02, 2022

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