The fluid mosaic model of cell membrane structure describes a membrane with phospholipids that ________ and proteins that ________
a. can drift laterally / may either be fixed or capable of drifting
b. are permeable to water-soluble molecules / spontaneously assemble into two layers
c. are fixed in place / can drift laterally
d. can drift laterally / are fixed in place
a
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Cellular respiration releases energy. In cellular respiration:
A. organic molecules such as carbohydrates are converted to chemical energy that can be used to do the work of the cell. B. the chemical potential energy stored in organic molecules is converted to chemical energy that can be used to do the work of the cell. C. chemical potential energy in the bonds of ADP is transferred to the chemical potential energy in the bonds of ATP.
The production of light by an organism is called ____.?
A. autophotoproduction
B. bioluminescence
C. luminarianism
D. autoillumination
E. bioillumination
The Himalayas are an example of a mountain range that formed as a result of
A) the collision of two continental plates. B) the separation of two continental plates. C) the buildup of sediments and conversion to rock. D) volcanic eruptions.
Which is NOT true regarding replication of Escherichia coli?
a. When growing optimally, a generation time of 20 minutes can be achieved. b. It takes 40 minutes to replicate the chromosome. c. Multiple replication forks allow for growth faster than the genome replication time. d. Unidirectional replication of the chromosome occurs to allow rapid growth.