Growth hormone uses up fat stores and promotes synthesis of body proteins, so it encourages a change in body composition away from adipose deposition toward an increase in muscle
a. True
b. False
Indicate whether the statement is true or false
True
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Chemical mediators released from platelet granules and plasma membranes stimulate contraction of vascular smooth muscle.
Answer the following statement true (T) or false (F)
Vitellogenin is a phospholipoprotein produced by the
A) Follicle cells. B) Insect fat body. C) Vertebrate liver. D) All of the above
Which statement is correct?
a. During hypotonicity, water enters the cells by osmosis. b. The only cause of hypotonicity is drinking excess fluid. c. Hypotonicity is a major consequence of diabetes mellitus, which is a deficiency of vasopressin. d. Hypotonicity is usually associated with a negative water balance. e. Common symptoms of hypotonicity include dry skin and sunken eyeballs.
Which of the following is not an example of an important inorganic substance necessary for normal human physiology?
A. Calcium ions are important components of cellular communication. B. The sugar-phosphate backbone of DNA form from covalent bonds between nucleotides. C. Oxygen is the final electron acceptor in cellular respiration, the process that generates much of the ATP in cells. D. Iodide ions are important components of certain hormones in the body.