The binding of a neurotransmitter to ligand-gated Cl? channels will cause ____ in the postsynaptic
membrane.
a. depolarization
b. hyperpolarization
c. repolarization
d. apolarization
e. depolarization and repolarization
B
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Endosperm is a major part of monocot seeds. In most eudicots, _____
A) the same thing is true; there is a substantial amount of endosperm B) endosperm never even starts to form after double fertilization C) endosperm nutrients are repackaged into the cotyledons D) endosperm replaces cotyledons in the seed
Which one of the following steps comes first in sequencing?
A. breaking the DNA into small fragments B. putting the sequences in the correct order C. matching regions of overlap D. making copies of the DNA E. reconstructing the long sequence of nucleotides
Four of the five answers listed below are events occurring during mitosis. Select the exception
a. chromosome replication b. division of centromere c. lining chromosomes up at the cellular equator d. spindle microtubules attach to the centromeres e. chromosomes migrate to opposite ends of the cell
When constructing a karyotype, the chromosome images are arranged in pairs according to ____________________ and ____________________.
a. size; telomere location b. size; centromere location c. banding pattern; centromere location d. banding pattern; telomere location e. size; banding pattern