Chromatin consists of about

A) 10% histones, 30% DNA binding proteins, 30% DNA, and 30% RNA.

B) 25% histones, 25% DNA binding proteins, 25% DNA, and 25% RNA.

C) 30% histones, 30% DNA binding proteins, 30% DNA, and 10% RNA.

D) 10% histones, 10% DNA binding proteins, 70% DNA, and 10% RNA.


C) 30% histones, 30% DNA binding proteins, 30% DNA, and 10% RNA.

Biology & Microbiology

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Why is human population genetic variation lower than the level of variation seen in other species?

A. Humans have a smaller population size than any other species. B. Humans have a larger population size than any other species. C. Human ancestral lineages are relatively old compared to other species. D. Human ancestral lineages are relatively young compared to other species. E. Humans have a much lower genetic mutation rate. F. Humans have much higher rates of gene flow than other species. G. Humans have a much lower birth rate and reproductive success compared to other species.

Biology & Microbiology

The union of research and medicine that seeks to quickly translate research findings into methods for the diagnosis

and treatment of diseases is called ____________________. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

How would decreasing the amount of raw material and keeping all other factors the same affect the human population? 

A. It would increase the average life span of the human population. B. It would increase overpopulation. C. The problem of hunger would be decreased. D. Human carrying capacity would be decreased.

Biology & Microbiology

____ is the major dorsalizing molecule while ____ is the major ventralizing molecule.

A. BMP; SHH B. Notch, BMP C. Notch, SHH D. SHH; BMP E. SRY; BMP

Biology & Microbiology