When a carbohydrate is digested, what is the product?
A. energy
B. simple sugars
C. amino groups
D. glycerol and fatty acids
B. simple sugars
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The binding of a neurotransmitter to ligand-gated Na+ channels will cause ____ in the postsynaptic
membrane.
a. depolarization b. hyperpolarization c. repolarization d. apolarization e. depolarization and repolarization
Some archaea are extreme halophiles. This
means that they thrive in ___ conditions.
a. high temperature b. low temperature c. high sulfur d. high salt e. high oxygen
Recombinant chromatids have a mix of paternal and maternal alleles due to
a. crossing over having happened between the linked genes. b. independent assortment. c. persistent linkage of genes on the chromatid. d. point mutations and gene aberrations from replication. e. random fertilization of the gametes.
Which of the following statements is INCORRECT for an X-linked recessive trait in humans?
a) Affected men often have phenotypically normal parents. b) All sons of affected women will be affected. c) Affected women always have an affected mother. d) Affected men have a mother who carries the recessive allele.