Glycolysis, pyruvate oxidation, and the citric acid cycle all have this molecule in common as one of
their products.
a. CO2
b. H2O
c. ATP
d. FADH2
e. NADH
E
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A trait shows ____ if the phenotype of that trait is present in less than 100% of those with the related genotype
a. autosomal recessive inheritance b. autosomal dominant inheritance c. incomplete dominance d. incomplete penetrance e. incomplete expressivity
Unlike all other amine derived hormones, thyroid hormones
A. bind to membrane receptors to elicit a response. B. activate second messengers via binding to a membrane receptor. C. are derived from cholesterol. D. are produced by the gonads. E. bind to intracellular receptors rather than to membrane-bound receptors to elicit a response.
Which of the following is a correct statement?
a. Cones respond to particular wavelengths (colors), rods perceive light at low intensity without color perception. b. Rods respond to particular wavelengths (colors), cones perceive light at low intensities without color perception. c. Cones are more sensitive to single photons of light than are rods. d. Nocturnal animals have a high concentration of cones in their eyes and relatively few rods. e. Humans have approximately equal numbers of rods and cones, but the cones are primarily localized in the fovea.
Which statement is not true about the pentose phosphate pathway?
A) It allows cellular respiration to occur without the need for oxygen. B) It can be used in part by photosynthetic cells to build glucose from carbon dioxide. C) It produces the coenzyme NADPH needed for anabolic pathways. D) It diverts glucose-6-phosphate from glycolysis to synthesize 5-carbon sugars needed for nucleotides. E) It converts 5-carbon sugars into 3- and 6-carbon for use in glycolysis.