Microfilaments are comprised of the protein ____________________, and are used as highways by motor molecules called ____________________
Fill in the blank(s) with correct word
actin, myosin
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Which of the following describes a function of cerebrospinal fluid?
1. Mechanical protection 2. pH homeostasis 3. Circulation a) 1 only b) 2 only c) 3 only d) Both 1 and 2 e) All of these choices
The term hypotonic hydration refers to ________.
A) the feeling one might have after a long swim B) the unpleasant feeling people have after drinking too much liquor C) a condition that may result from renal insufficiency or drinking extraordinary amounts of water D) a condition that is caused by high levels of sodium in the extracellular fluid compartment
What are the two types of diuresis?
a. insulin diuresis and insulin diuresis b. sodium diuresis and potassium diuresis c. water diuresis and hydrostatic diuresis d. osmotic diuresis and hydrostatic diuresis e. osmotic diuresis and water diuresis
Which of the following statements concerning control of food intake is incorrect?
a. there are a pair of feeding centers and a pair of satiety centers in the hypothalamus that play a major role in controlling food intake. b. stimulation of the feeding centers drives the individual to eat. c. stimulation of the satiety centers brings about the feeling of having had enough to eat. d. distention of the digestive tract constitutes the major input for regulating food intake. e. destruction of the satiety centers in lab animals leads to overeating and obesity.