Which type of metabolic pathway involves building biomass?
a. catabolic
b. parabolic
c. irreversible
d. anabolic
Ans: d. anabolic
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As electrons move along the electron transport chain, they lose potential energy. How is the energy that is released used by the cell?
A. The energy is used to transport protons against their concentration gradient B. The energy is used to pump electrons along the electron transport chain C. The energy is converted directly into ATP D. The energy is used to pump NAD+ into the cytoplasm so it can be used in glycolysis
Four of the five choices listed below are
characteristics of mutations. Select the exception. a. predictable b. harmful or beneficial c. random d. effects depend upon environment e. heritable
Carrying capacity can be reduced with an increase in
A. energy. B. raw materials. C. space. D. waste products.
You are interested in designing an experiment to test the hypothesis that frogs use the same genetic code as humans. Which of the following experiments would not give you useful data to test this hypothesis?
A) Purify tRNAs from frog cells and human cells and compare their structures. B) Insert a human gene into a frog cell and see if the correct protein is produced. C) Insert a frog gene into a human cell and see if the correct protein is produced. D) Compare nucleotide sequences of promoters from similar frog and human genes.