In different regions of the chromosome, the ratio of histone H1 to histone H2A may vary, but the ratio of H2A to histone H2B is generally the same
If the amount of H1 increases in a region of chromatin, what will be its effect on compaction of the DNA and transcription in that region?
A. Transcription in that region will increase.
B. Transcription in that region will decrease.
C. The DNA in that region will become less compact.
D. DNA compaction in that region will be unchanged.
E. Transcription of the DNA in that region will remain the same.
B
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Indicate whether the statement is true or false.
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a. selenium b. chromium c. vanadium d. iodine e. manganese
Symptoms of phenylketonuria (PKU) may be minimized or suppressed by a diet low in
a. serine. b. glycine. c. phenylalanine. d. proline. e. glutamic acid.
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A. lead B. bacteriostatic C. bacteriocidal D. carbohydrate