The beating of cilia and flagella occurs by means of _______-based _______.

a. dynein; microtubule sliding
b. kinesin; microtubule sliding
c. myosin; microfilament sliding
d. tubulin; microtubule contraction
e. dynein; microtubule contraction


Ans: a. dynein; microtubule sliding

Biology & Microbiology

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A) nutrient A only B) nutrient B only C) nutrient C only D) nutrients A and C

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The digestive system is concerned with

a. blood circulation. b. digestion and the absorption of nutrients. c. reproduction. d. excretion of urine.

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Who discovered the first antimicrobial widely available to the general public?

A. Domagk B. Ehrlich C. Fleming D. Waksman E. Ehrlich and Waksman

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