Which of the following is considered an abiotic component of the ecosystem?
A) temperature
B) microbes
C) plants
D) animals
A
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Which of the following is not a component of a yeast three-hybrid analysis?
A. a fusion protein of LexA, which binds the reporter construct, and MS2, which specifically binds an RNA tag that has been added to every RNA produced by the plasmid library B. a plasmid library that contains random sequences from the genome tagged with a unique hairpin sequence that MS2 will bind C. a reporter construct that contains a LexA operator (binding site) and a reporter gene; activation of the reporter gene is either required for growth of the bacteria or catalyzes a reaction that forms a colored product D. a fusion protein containing the protein of interest fused to the activation domain that will activate transcription of the reporter gene when bound E. a fusion protein of the protein of interest and two tags?the calmodulin binding site and protein A
If a blood clot blocks the flow of blood to some part of the brain, a person will suffer
1.myocardial infarction. 2.cerebral aneurysm. 3.cerebral palsy. 4.stroke. 5.cerebral varicosity.
Which cells may spend the most time in interphase?
a. epithelial cells lining the stomach b. hair follicles c. motor neurons in the spine d. skin cells on the hands
Glucagon primarily has effects ______ to those of insulin.
A. opposite B. similar