Megaspores are produced
a. within ovules.
b. within seeds.
c. by pollen grains.
d. by the gametophyte.
e. by the union of egg and sperm cells.
Answer: a
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When comparing dry heat and moist heat sterilization, dry heat is
A. equally as fast. B. slower. C. faster. D. sometimes faster but sometimes slower.
Given the DNA template shown in the figure above, which of the following bases would you find in a complementary RNA strand and where would they be synthesized?
A) A-A-A-A-A; nucleus B) U-U-U-U-U; nucleus C) A-A-A-A-A; ribosome D) U-U-U-U-U; ribosome
Which neurons generally dominate internal events
when environmental conditions permit relaxation and digestion? a. ganglia b. pacemaker c. sympathetic d. parasympathetic e. somatic
As a budding basic scientist you work in a research laboratory and discover a chemical that removes the cell wall from bacteria but leaves the organism undamaged otherwise. Things that the bacteria will lose because of this include:
a. The ability to move b. The ability to attach to other cells c. The ability to metabolize d. The ability to use oxygen e. The ability to have a gram stain result