What part of a cell membrane is usually in contact with the interstitial fluid?
a. cholesterol
b. hydrophobic molecules
c. fatty acid tails
d. phosphate heads of phospholipids
Ans: d. phosphate heads of phospholipids
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An atom that is negatively charged because it has accepted an electron is a(n):
A. isotope. B. isomer. C. ion. D. monomer.
A genetic disorder that involves impaired
blood clotting is
a. leukemia. b. sickle cell anemia. c. hemophilia. d. atherosclerosis. e. hypertension
The lowest osmotic potential inside a nephron will be found in __________.
a. Bowman's capsule and the proximal tubule b. the descending limb of the loop of Henle c. the loop of Henle d. the thick segment of the ascending limb of the loop of Henle and the distal tubule e. the collecting duct
An unknown organism grows at the top of a tube in thioglycolate broth. This organism is best described as a(n) _______ for its oxygen requirements
Fill in the blank(s) with the appropriate word(s).