Sites in the genome that are more susceptible to mutations are called:

A. mutation spots.
B. hotspots.
C. risk factors.
D. genes.
E. noncoding DNA.


B

Biology & Microbiology

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The selective permeability of a membrane refers to ____

a. the movement of a molecule from an area of greater concentration to an area of lesser concentration. b. the ability of a substance to pass through a membrane c. the ability of only certain molecules to pass across a membrane d. the need for carrier proteins to transport some molecules e. the ability of molecules to be transported across the membrane only certain times of the day

Biology & Microbiology

Dietary treatment of galactosemia

A. need not begin until one or two months after birth. B. requires a low protein diet. C. can be discontinued by the age 10?12. D. completely eliminates symptoms of the disease. E. none of these.

Biology & Microbiology

Human Hox genes are in four clusters: HOXA, HOXB, HOXC, and HOXD, for a total of 39 genes. Besides conserving the clustering of genes, evolution has also conserved __________

A) their chromosomal locations B) the order of the genes within them C) their expression along the dorsal-ventral axis D) the mutations to which they give rise E) their bilateral symmetry

Biology & Microbiology

A ribonucleoprotein is:

A. an enzyme that degrades RNA. B. an RNase that functions in the nucleus. C. a nucleotide-transport protein. D. a noncoding RNA complexed with protein.

Biology & Microbiology