30. In this reaction, he reactant (a) are and the coenzyme NAD s NAD NADH A redu

Question

30. In this reaction, he reactant (a) are and the coenzyme NAD s NAD NADH A reduced, oxidized B. oxidized; oxidized C. reduced; reduced D. oxidized; reduced 31. During the conversion of glucose into a free form of energy converted into? only a small percentage is converted ito? converted into useable ATP. What is the rest of the energy A heat B. CO C. H:O D. CO 32. Meiosis occurs during spermatogenesis. During meiosis one germinal cell produces four gametes. If a sperm cell contains 8 chromosomes, i comes from an animal that has chromosomes in its cells. A. 4 B. 8 C. 32 D. 16 33. Eukaryotic chromosomes A. consist of both DNA and protein. B. may not occur as chromatin. C. contain histones responsible for packaging protein to fit into a small space. D. All of the choices are correct 34. During the light reactions what structure is responsible for absorbing the solar energy? A. chloroplast B. stroma C. stoma D. bark of the tree 35. Which of the following steps would NOT lead to variation of genetic material? A. crossing over of homologous chromosomes B. crossing over of sister chromatids C. the random alignment of the chromosomes during metaphase 1 D. the combination of sperm and egg genes 36. During which stage of meiosis does crossing-over occur? A. prophase I of meiosis I B. anaphase I of meiosis lI C. telophase I of meiosis I D. prophase II of meiosis II E. anaphase Il of meiosis I

Explanation / Answer

Ans 30: ( D ) oxidized, reduced

Ans 31: ( A ) heat

Ans 32: ( D ) 16

Ans 33: ( D ) all of the choices are correct

Ans 34: ( B ) stroma

Ans 35: ( B ) crossing over of sister chromatids

Ans 36: ( A ) prophase 1 of meiosis 1

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