The capture and use of energy by living organisms involves numerous chemical reactions. Collectively these processes are known as
a. metabolism.
b. anabolic reactions.
c. respiration.
d. catabolic reactions.
Answer: a. metabolism.
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In response to LH and FSH, testes secrete ____
Fill in the blank with the appropriate word.
A blastomere is a ________ and a blastocyst is ________.
A) fetal organ produced by cleavage; an embryonic organ produced by cleavage B) fetal membrane; an embryonic membrane C) cell produced by cleavage; a hollow ball of cells D) solid ball of cells; three-layered embryo
The data in Figure 10.7 support which of the following trade-offs?
A) the size of offspring is correlated with the number of offspring B) the size of offspring is correlated with the age at maturity C) the number of offspring is correlated with growth D) the number of offspring is correlated with survival
A tomato plant is mutated with gamma radiation. A cellular analysis reveals that ATP synthase complexes found in the thylakoid membrane are inserted backward into the membrane. What is the most likely outcome of this error?
A. The proton gradient in the thylakoid space will not be able to be used to generate ATP B. A proton gradient will not be established in the thylakoid space in response to the activation of photosystem II C. The ATP synthase will pump protons into the stroma in this orientation D. This change is not likely to have any effect on the function of the ATP synthase enzyme with respect to its role in photosynthesis E. The thylakoid membrane will become permeable to protons as a result of this change