Auxin sprayed on tomato flowers stimulates the ____ to develop without the formation of ____
a. roots; root hairs
b. fruit; ovaries
c. seeds; ovaries
d. ovary; seeds
e. seeds; fruits
d
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Exponential growth of a population is represented by dN/dt = _____
A) B) rmax N C) rN (K + N) D) rN E) rNrN
How does a swim bladder help the ray-finned fishes maintain buoyancy?
A) It removes water from the digestive tract. B) It removes oxygen from the water and stores it. C) Gas is added to the bladder as the fish's depth increases. D) Gas is removed from the bladder as the fish's depth increases. E) It adds and removes salt from the water stored in the bladder, which changes its density and thus its buoyancy.
Sex Cells Plants Female
What will be an ideal response?
Which of the following statements regarding ELISAs is TRUE?
A. They are not quantitative. B. They require large amounts of serum. C. The antibody label is a fluorescent molecule. D. They can be used to detect antibody or antigen. E. They involve the use of membrane filters.