The composition of lipids in the outer and inner monolayers of cell membrane lipid bilayers is:
What will be an ideal response?
Asymmetrical (different in each monolayer)
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Which gas was not present in the Miller-Urey experiment? a. All of them were present
b. CH4 (methane) c. H2O (water) d. H2 (hydrogen gas) e. NH3 (ammonia)
High density lipoproteins
a. carry cholesterol to the liver. b. line the artery walls. c. are used for nutrition. d. lower blood pressure. e. carry cholesterol and other fats to body cells.
What type of microscopy uses a laser to excite fluorophores in just a thin “slice” through a cell?
a. confocal microscopy b. fluorescence microscopy c. phase contrast microscopy d. scanning electron microscopy e. Nomarski differential interference-contrast microscopy
Which of the following relationships is incorrectly paired?
a. schooling fish?aggregated distribution b. nesting seabirds?random dispersion c. grove of aspen?clumped dispersion d. flour beetle larvae?random dispersion e. adult sand pine?uniform dispersion