In seed plants, the microspores become ___

a. ovules
b. seeds
c. pollen grains
d. cones
e. sperm cells


ANSWER: c

Biology & Microbiology

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A central vacuole

(a) is found only in plant cells. (b) may take up between 50% and 90% of the cell’s interior. (c) regulates water balance. (d) is all of the above.

Biology & Microbiology

When whole cells or large molecules in solution are engulfed by a cell, this endocytosis is specifically termed ________.

A. facilitated transport B. phagocytosis C. pinocytosis D. exocytosis E. facilitated diffusion

Biology & Microbiology

Pasteurization does not inactivate endospores or thermoduric microbes.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Moist heat damages microorganisms by

A. damaging the phospholipid bilayer. B. denaturing and coagulating cellular proteins. C. oxidation of cellular components. D. damaging the cells nucleic acids.

Biology & Microbiology