RNA molecules that also act as enzymes are given the name
A. ribozymes
B. cofactors
C. coenzymes
D. allosteric enzymes
A
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When legumes with nitrogen-fixation nodules are given chemical fertilizers with high nitrogen concentrations, they abandon support of the nodules and end the symbiosis. Why?
A. The mineral nutrients inhibit nitrogenase activity. B. Nitrogen gas is no longer available in the soil. C. The plant can conserve valuable energy sources by terminating the symbiotic relationship. D. The dissolved chemical nutrients are toxic to Rhizobium bacteria. E. Dissolved nitrogen uncurls the root hairs, releasing the nodule. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about nitrogen-fixation nodules? How does it relate to the question? Consider Possibilities · What other information is related to the question? Which information is most useful? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The ____ genome was the first eukaryotic genome to be sequenced
a. Escherichia coli b. Caenorhabditis elegans c. Drosophila melanogaster d. Saccharomyces cerevisiae e. Schizosaccharomyces pombe
Four of the five organelles listed below are part of the endomembrane system. Select the exception
a. smooth ER b. peroxisomes c. Golgi bodies d. vesicles e. mitochondria
Which of the following plant hormones breaks dormancy in seeds and buds when applied to the plant?
A. ethylene B. cytokinin C. gibberellins D. auxin E. abscisic acid