Which of the following types of movement may NOT require use of a motor protein
A) Muscle contraction
B) Flagellar movement
C) Vesicle transport
D) Amoeboid movement
Answer: D
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Which of the following processes is the primary function of the villi of the small intestine?
a) Ingestion b) Secretion c) Mixing and propulsion d) Absorption e) None of these choices
Metabolic rate is a measurement of the
A. heat given off by contracting muscles. B. amount of oxygen consumed per kilogram of body weight. C. energy used in a given period of time. D. total number of calories consumed per hour.
Atrial natriuretic factor
A. is released in response to elevated atrial pressure. B. stimulates the release of ADH. C. decreases urine production. D. stimulates release of aldosterone. E. increases blood volume.
Which organelle is enclosed with two membranes and has cristae extending inward from the inner membrane?
A. Endoplasmic reticulum B. Nucleus C. Lysosome D. Golgi complex E. Mitochondrion