The plasma membrane barrier to passive diffusion is primarily a function of the membrane's
a. phospholipids.
b. cholesterol.
c. proteins.
d. glycoproteins.
Ans: a. phospholipids.
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A. interspecific B. exploitative C. interference D. fundamental E. intraspecific
Which of the following are most permeable to water
and small molecules? a. glomerular capillaries b. peritubular capillaries c. afferent arterioles d. ureters e. efferent arterioles
Sidney Brenner proved that the triplet code is, in fact, nonoverlapping. Assuming a nonoverlapping code, how many complete codons would the following sequence encode before encountering a stop codon? 5? - AUGCGAUUAUAGUGC - 3?
What will be an ideal response?
Following anaphase in cell division, the structures produced by the separation of the sister chromatids.
What will be an ideal response?