2,3-DPG comes from ________.
A. anaerobic respiration in red blood cells
B. tissues with high amounts of oxygen
C. type II alveolar cells
D. aerobic respiration in red blood cells
Answer: A
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Shrinkage of tissue by a decrease in either cell number or cell size is termed
A. hypertrophy. B. neoplasia. C. atrophy. D. metaplasia. E. fibrosis.
Sensations are sharpened via ________.
A. lateral inhibition B. two-point discrimination C. adaptation D. phantom limb
Which of the following consists of a network of intracellular membranes with attached ribosomes?
A) rough endoplasmic reticulum B) smooth endoplasmic reticulum C) mitochondria D) nucleoli E) Golgi apparatus
During the BIOPAC activity, why did the subject's heart rate increase after exercise?
A) The body needs to increase its number of red blood cells. B) The body needs to have stronger muscle contractions. C) The body has a greater demand for oxygen. D) The body has a lower demand for nutrients.