The primary role of a cytokinin is
a. fruit drop
b. cell division
c. fruit ripening
d. promote flowering
e. stress response
Ans: b. cell division
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Most of the carbon dioxide produced by the body is transported to the lungs ____
a. in gaseous form b. in the lymph system c. as carbaminohemoglobin d. in the form of bicarbonate e. as carbonic acid
The integumentary system functions in
a. ion transport. b. support. c. covering. d. contraction. e. resistance.
Complex carbohydrates are digested to
A. simple sugars. B. amino acids. C. proteins. D. fatty acids.
Which one of the following causes a disease characterized by the catarrhal, paroxysmal, and convalescent stages?
A) Bordetella pertussis B) Corynebacterium diphtheriae C) Mycobacterium tuberculosis D) Streptococcus pyogenes E) respiratory syncytial virus