A combination of two or more substances that are not chemically bonded is a(n)
A) atom
B) mixture
C) compound
D) molecule
Answer: B) mixture
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The reabsorption of glucose occurs primarily through the walls of the
A. nephron loop. B. distal convoluted tubule. C. glomerular capsule. D. proximal convoluted tubule.
In the process of glycolysis
A. one enzyme converts glucose into NADH. B. two enzymes are involved in breaking glucose down to ten pyruvate molecules. C. ten enzymes are involved in breaking glucose down to two pyruvate molecules. D. twelve enzymes split glucose into thirteen smaller molecules. E. six enzymes use two ATP to split glucose in half.
The most common type of acid-base imbalance is
A. metabolic acidosis. B. metabolic alkalosis. C. respiratory acidosis. D. respiratory alkalosis.
Which of the following hormones directly stimulates growth of muscle tissue, leading to increased muscle mass?
A) epinephrine B) thyroid hormone C) testosterone D) parathyroid hormone E) calcitonin