How do saltwater fishes conserve water?
a) Their kidneys produce small amounts of concentrated uric acid
b) Their kidneys produce small amounts of concentrated urine
c) Their kidneys produce large amounts of dilute urine
d) they absorb extra water from their environment
Ans: b) Their kidneys produce small amounts of concentrated urine
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Which of the following is an example of a stretchy
cord of connective tissue? a. skull plates b. ligaments c. leg bone connected to the hip bone d. teeth connected to the jaw e. all of these
If you were to add one of the eight citric acid cycle intermediates to the culture medium of yeast growing in the laboratory, what do you think would happen to the rates of ATP and carbon dioxide production?
A) There would be no change in ATP production, but we would observe an increased rate of carbon dioxide production. B) The rates of ATP production and carbon dioxide production would both increase. C) The rate of ATP production would decrease, but the rate of carbon dioxide production would increase. D) Rates of ATP and carbon dioxide production would probably both decrease.
What type of cell activity occurs in the meristem regions of plants?
A) Increased water uptake of cells B) Secondary growth C) Mitosis D) Storage of sugar E) Photosynthesis
Most cancers arise due to mutations in somatic cells, if someone has a predisposition to cancer, what genetic circumstance likely exists?
What will be an ideal response?