During the relative refractory period the cell may depolarize if

a. the stimulus is much weaker than normal
b. the stimulus is much larger than normal
c. enough potassium ions enter the cell
d. the myelin sheath is thick enough

Which of the following claims does the author support the least

Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .

What do isotopes of uranium have the same number of? what do they have a different number of? a) same number of protons; different number of electrons b) same number of protons; different number of neutrons c) same number of electrons; different number of protons d) same number of neutrons; different number of protons