Which of these is not a function of proteins?
A) They help fight infection.
B) They form structural features, such as hair and bone.
C) They transport molecules within cells and throughout the body.
D) They are a chief form of long-term energy storage.
E) They help catalyze chemical reactions.
D) They are a chief form of long-term energy storage.
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Testcrosses are used to determine the genotype of an organism.
a. true b. false
A culture medium made of extracts from yeasts, meat, or plants is a ________ medium.
a) complex b) selective c) differential d) chemically defined
For a plant to initiate chemical responses to herbivory, before it is directly affected by herbivores, _____
A) a plant must have already flowered at least once B) volatile "signal" compounds must be perceived C) gene-for-gene intraspecific recognition must occur D) phytoalexins must be released
Which of the following statements about anaerobic respiration is FALSE?
A) It yields lower amounts of ATP when compared to aerobic respiration. B) The complete Kreb's cycle is utilized. C) It involves the reduction of an organic final electron acceptor. D) It generates ATP. E) It requires cytochromes.