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.
Answer: A
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What will be an ideal response?
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You will form a new population by taking some individuals from a source population and isolating them so the two populations cannot interbreed. What combination of characteristics would maximize your chance of seeing divergence in this study? 1. Choose a random sample of individuals to form the new population. 2. Choose individuals from one extreme to form the new population. 3. Choose a species to study that produces many offspring. 4. Choose a species to study that produces a few, large offspring. 5. Place the new population in the same type of environment as the source population. 6. Place the new population in a novel environment compared to that of the source population. A) 1, 3, and 6 B) 1, 4, and 6 C) 2, 3, and 5 D) 2, 3, and 6
What structure is involved in the human sense of balance?
A) outer ear B) oval window C) utricle D) basilar membrane