Keeping the body's internal systems working within tolerable limits is called __________
Fill in the blank(s) with the appropriate word(s).
homeostasis
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Mutated versions of one or both of the genes BRCA1 and BRCA2 are associated with an increased risk of ________
a. breast cancer only b. lung cancer and pancreatic cancer c. both breast cancer and ovarian cancer d. lymphoma only
Within a large population, if no mutations occur, no migration occurs, all matings are random, and each individual has an equal chance of reproducing, which of the following will probably happen?
A) No evolution will occur. B) Natural selection will occur at the normal rate for that species. C) A change in allele frequency will lead to rapid evolution. D) Extinction will result. E) A bottleneck will occur.
NADH and FADH2 deliver energy to what stage of cellular respiration?
a) electron transport chain b) acetyl-CoA formation c) glycolysis d) citric acid cycle
Microbes today are used in many ways to help improve our lives. Which of the following is NOT a contribution by microbes?
tofu laundry detergent antibiotics vitamins