The cell is the basic unit of life. All cellular structures exhibit special functions. Match the structure with its function. What is the function of "C"?
A. contains digestive enzymes
B. directs cellular activities, contains DNA
C. outer boundary of cell, controls entry and exit of substances
D. major site of ATP synthesis when oxygen is available
E. site of protein synthesis
E
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Bisphosphonates are drugs that slow the progress of
A. menopause. B. osteoporosis. C. rickets. D. heart disease.
Elevated levels of the natriuretic peptide hormones ANP and BNP will produce increased
A) salt and water loss through the kidneys. B) blood volume. C) sodium ion levels in blood. D) venous return and preload. E) blood pressure.
Seminal vesicles do not
a. supply fructose, which serves as the primary energy source for ejaculated sperm b. secrete prostaglandins c. secrete fibrinogen d. secrete an alkaline fluid that neutralizes the acidic vaginal secretions e. provide more than half the seminal fluid
Which structure collects venous blood and cerebrospinal fluid?
A) Cerebral aqueduct B) Fourth ventricle C) Superior sagittal sinus D) Arachnoid villus