____ are involved in the regulation of gene

expression.



a. Transcription factors
b. Translation factors
c. Transposable elements
d. Metylation
e. Phosphorylation


A

Biology & Microbiology

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A population of T cells has been stimulated to proliferate in response to a particular antigen. A sample of 1000 cells is examined microscopically, revealing that 200 of these cells are in the various stages of mitosis. Of the remaining 800 in interphase, 400 have x amount of DNA, 250 have 2x, and the remaining 150 have amounts somewhere between x and 2x. Additional analysis reveals that the G2

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Most of the plant body is composed of

a. dermal tissue. b. root tissue. c. ground tissue. d. vascular tissue. e. cork tissue.

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An atom having a filled valence shell is stable and unreactive

__________________ Indicate whether the statement is true or false.

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What are the functions of the 5' cap and poly(A ) tail of mature mRNAs in eukaryotes?

What will be an ideal response?

Biology & Microbiology