The synthesis of glucose requires electrons; in photosynthesis, electrons are obtained from ________
a. water
b. organic matter in soil
c. oxygen
d. carbon dioxide
a
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Which of the following are found exclusively in the nucleus of a cell?
a. DNA b. mRNA c. proteins d. tRNA
Sebum contains
a. fats b. waxes c. glycerides d. all of these plus lysozyme e. all of these except lysozyme
Items a through c below are processes that occur during different
stages of photosynthesis. Answer questions 58–61 by selecting one of these three processes. a. oxidation b. reduction c. phosphorylation E 58. This process leads to the formation of ATP from ADP plus inorganic phosphate. M 59. This process occurs when an electron is passed to an electron acceptor molecule, such as NADP+. D 60. This process is involved when a photon of light energy causes an electron to leave the chlorophyll molecule. M 61. This process occurs when an electron transport molecule gives up an electron.
Which term describes the directed growth of plants in response to light?
a) Photosynthesis b) Active transport c) Transpiration d) Phototropism