Stomata are:a
waxy layers that cover leaves.
b. openings in the leaf epidermis.
c. extensions of bundle sheaths.
d. particularly numerous on the upper epidermis.
e. guarded by two stipule cells.
b
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Homologous chromosomes pair during ____________________
a. metaphase II. b. prophase I. c. metaphase I. d. telophase I.
Rats not resistant to the effects of warfarin do
not have enough of which of the following vitamins?
a. A b. B12 c. C d. E e. K
Which of the following are products of mitosis?
a. gametes in animals and spores in plants b. gametes and spores in plants c. body cells in animals and spores in plants d. body cells in animals and plants
A pharmaceutical company has developed a new compound that is well tolerated by the body and inhibits the sterolergosterol synthesis. Screening of this anti-infectious agent activity should be directed toward A. Chlamydia species
B. Viruses C. Fungi D. Rickettsia species E. Bacteria