If the partial pressure of oxygen (pO2) in a man's blood plasma decreased below that in his red blood cells, what would be the result?
A. More oxygen would diffuse into his red
blood cells and be transported throughout his
body.
B. Oxygen would diffuse out of his red blood
cells, and less oxygen would be transported
throughout his body.
C. The concentration of oxygen would be the
same in red blood cells and blood plasma.
Ans: B. Oxygen would diffuse out of his red blood
cells, and less oxygen would be transported
throughout his body.
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Mendel’s dihybrid crosses, but not his monohybrid
crosses, show that a. some genes are linked together. b. the two alleles controlling a trait are divided equally among the gametes. c. alleles for different traits are inherited independently. d. one of the pair of alleles is dominant to the other. e. the crossing of two different homozygous forms will not produce any offspring in the first generation that will look like either of the parents.
Blood types (A, B, and O) are controlled by
a. sex-linked genes. b. linked genes. c. incompletely dominant genes. d. multiple alleles. e. none of these.
In large scale, genome-wide association studies in humans we look for _____
A) lengthy sequences that might be shared by most members of a population B) SNPs where one allele is found more often in persons with a particular disorder than in healthy controls C) SNPs where one allele is found in families with particular introns sequence D) SNPs where one allele is found in two or more adjacent genes
In a compound microscope, the lens that directs light into the eye is the (ocular/condenser/objective) lens
What will be an ideal response?