The mass number is the ____ rounded to the nearest whole number.
A. atomic mass
B. number of protons
C. atomic number
D. number of electrons
Answer: A. atomic mass
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The aging of a plant is
a. senescence. b. vernalization. c. abscission. d. dormancy. e. chlorosis.
Which proteins play a central role in the fusion of a vesicle with a target membrane?
A.) clathrin B.) Rab proteins C.) tethering proteins D.) adaptin E.) SNAREs
A nerve impulse does not vary in intensity with regard to the strength of the stimulus. What do we call this phenomenon?
A) refractory period B) resting membrane potential C) graded response D) all-or-nothing principle
Based on this figure, would you expect all non-plant eukaryotes to have the same mitochondrial genes as all plant mitochondria? Why or why not?
What will be an ideal response?