Most female rabbits have an average litter size of ____ kits
Fill in the blank(s) with correct word
6
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The macula densa cells respond to ________
A) changes in pressure in the tubule B) aldosterone C) antidiuretic hormone D) changes in Na+ content of the filtrate
Leptin
a. is secreted by adipocytes. b. leads to appetite suppression. c. targets the hypothalamus. d. both (a) and (b) above. e. all of these answers.
A molecular biologist discovers that if a specific drug effectively treats obesity in mice, what can researchers conclude?
A. The mice have provided a positive control in this experiment that proves the drug is effective in humans. B. If the drug was effective in a large number of mice, it will therefore be effective in humans. C. If the drug was effective in a small proportion of mice, it will be effective in a small proportion of humans. D. The effect of the drug on mice has no bearing on the effect of the drug on humans. E. The drug is effective in the mouse model; it must still be tested in humans.
Which two body systems contribute to acid-base balance of blood?
A) cardiovascular and endocrine B) respiratory and endocrine C) urinary and respiratory D) nervous and urinary