Vesicles containing neurotransmitters are released into the synaptic cleft when ____ levels rise within
the axon terminal.
a. Na+
b. K+
c. Cl?
d. Ca2+
e. H+
D
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Which of the following affects the osmolarity of a solution? I) concentration of cations II) concentration of anions III) concentration of water
Which of the following affects the osmolarity of a solution? I) concentration of cations II) concentration of anions III) concentration of water A) only I B) only III C) only I and II D) only II and III E) I, II and III
Stimulus recognition is carried out by ____ , specialized sensory receptors or groups of sensory receptors
Fill in the blank with the appropriate word.
When an individual has one or more extra copies of all the chromosomes they are
1.haploid 2.diploid 3.polyploid 4.aneupliod 5.autopolyploid
Gregor Mendel ____
a. discovered the structure of DNA b. claimed that each individual carries a pair of "factors" for a given trait c. demonstrated that traits carried by parents are “blended” in their offspring d. cross-bred thirty different species of pea plants over a span of fifty years e. reasoned that each parent carries one gene for a specific trait