If a hypothetical human female of genotype XX had no Barr body in any of her cells
a. she would be phenotypically male
b. she would be considered triploid
c. the genes on both X chromosomes would be expressed
d. she would have Turner syndrome
e. she would have a Y chromosome
C
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Which of the following is NOT true about
complement proteins? a. They are a component of the innate immune responses. b. They take part in the adaptive immune responses. c. They engulf pathogens. d. They assemble into attack complexes. e. They attract phagocytic cells.
The chemical elements that are available to producers are usually in what form?
a. ions b. gases c. solids d. compounds e. hydrocarbons
Plants, as prey, can't run away from their predators, but they can defend themselves. Is the predatory nature of Venus flytraps a defense mechanism, or does it serve some other purpose?
What will be an ideal response?
Short tandem repeats (STRs) are highly variable sets of repeating sequences within the genome. Because the probability of any two having an identical number of repeats at different STR regions within the genome is astronomically low, they are useful for identifying samples of DNA. With so much variability in these regions of DNA, one would assume that STRs:
A) occur outside of protein-coding regions of DNA. B) are responsible for the physical and biochemical variation among individuals. C) are introns. D) are not inherited the same way as other genes. E) are always homozygous