What is the main molecule that provides the energy to produce ATP?
A. RNA
B. Glucose
C. Uracil
D. Phosphate
Answer: B
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Which of the following is not attributable to atrial natriuretic peptide (ANP)?
a. It is released from the cardiac atria when the ECF volume is reduced. b. It inhibits Na+ reabsorption in the distal parts of the nephron. c. It inhibits renin secretion by the kidneys. d. It inhibits aldosterone secretion by the adrenal cortex. e. It inhibits sympathetic nervous activity to the heart and blood vessels.
Which statement is true about T cells?
A) They usually directly recognize antigens, which then activates a subpopulation of killer cells. B) Their proliferation is enhanced by interleukins 1 and 2. C) Once activated, they cannot secrete cytokines. D) They will develop into cytotoxic T cells if antigen is complexed with class II MHC proteins.
The "S" in SOAP stands for __________
Fill in the blank(s) with correct word
You conduct an experiment on twenty 18-year-old male subjects to see how various intensities of exercise influence heart rate. Which of the following is/are considered a dependent variable?
A) heart rate B) age of subjects C) sex of subjects D) intensity of exercise E) More than one of the answers is correct.