The initial Davson-Danielli model of membrane proposed that the plasma membrane was composed of ______.
a) a lipid bilayer with a layer of globular proteins between the two leaflets of the bilayer
b) a single layer of phospholipids coated on each side by a later of globular proteins
c) a lipid bilayer lined on both its inner and outer surface by a layer of globular proteins
d) a bilayer of globular proteins lined on its inner and outer surfaces by a layer of phospholipids
Ans: c) a lipid bilayer lined on both its inner and outer surface by a layer of globular proteins
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In mammals, the filtrate leaves the blood by exiting from the
a. efferent arteriole. b. peritubular capillaries. c. renal artery. d. afferent arteriole. e. glomerulus.
Which of the following is an essential fatty
acid?
a. oleic acid b. linoleic acid c. stearic acid d. palmitic acid e. capric acid
Identifying an individual by his or her DNA is referred to as ____.
A. structural genomics B. genomic fingerprinting C. RNA profiling D. DNA profiling E. individual genomics