Sister chromatids are separated from each other during
A) metaphase I.
B) anaphase I.
C) anaphase II.
D) telophase II.
E) metaphase II.
C
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The neuronal membrane is at its resting potential at label _____
A) A B) B C) C D) D E) E
Scientists using evolutionary systematics to construct a phylogenetic tree would use:a
the number of shared characters the organisms posses. b. a combination of ancestral and derived characters. c. primarily polyphyletic groupings. d. only derived characters. e. only ancestral characters.
Traits controlled by sex-linked recessive genes are expressed more often in males because
A) males always carry two copies of these genes. B) males inherit these genes from their fathers more often than their mothers. C) males get more doses of the recessive gene than do females. D) the male has only one gene for the trait. E) all male offspring of a female carrier get the gene.
Schwann cells make up the __________.
A) neurons B) myelin sheath in the CNS C) myelin sheath in the PNS D) axons E) nodes of Ranvier