The resting membrane potential is when the inside of the neuron is more negatively charged than the outside of the neuron.
a. true
b. false
Answer: a. true
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All bacterial and archaeal cells are diploid.
Answer the following statement true (T) or false (F)
Reaction center complexes of the light-dependent reactions contain __________ and __________,
which receive energy from __________. a. accessory pigments; chlorophyll; antenna complexes b. carotenoids; proteins; chlorophyll c. chlorophyll; antenna complexes; carotenoid d. proteins; antenna complexes; carotenoid e. chlorophyll; proteins; antenna complexes
The atomic number of hydrogen is 1. Based on this fact, all of the following must be true of hydrogen gas (H2 ) EXCEPT that it
A) is a stable molecule. B) shares one pair of electrons between the two hydrogen atoms. C) is a polar molecule. D) uses covalent bonds to form the molecule.
A small group of mice are released on an island without mice but with abundant food for mice and no predators. Initially, the growth of the mouse population will be limited mainly by what?
A. Only density-dependent factors B. Only density-independent factors C. The biotic potential D. The carrying capacity