Aspirin alleviates pain, inflammation, and fever by inhibiting prostaglandins
Indicate whether the statement is true or false
TRUE
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In an enzyme-catalyzed reaction, the reactant is called the
A. coenzyme B. catalyst C. substrate D. product
What occurs during leptotene of prophase I?
A. The homologous chromosomes recognize one another by synapsis. B. Crossing over occurs. C. The replicated chromosomes condense. D. The synaptonemal complex dissociates. E. None of the answers are correct.
Human growth hormone (HGH) is a peptide hormone that stimulates growth, cell division and regeneration. HGH is made in the anterior pituitary gland. A researcher wants to introduce the gene encoding human growth hormone into E. coli so she can produce large quantities of the peptide hormone for medical treatments. What strategy should the researcher take?
A. Obtain the HGH gene from a human anterior pituitary gland cDNA library. B. Obtain an HGH gene from another prokaryote. C. Obtain the HGH gene from a human genomic library produced from DNA of the anterior pituitary gland. D. Obtain the HGH gene from a human genomic library produced from DNA from any human tissue. E. Obtain an HGH gene from either a genomic or cDNA library.
How would an animal compensate for a nonfunctional lateral line?
A. Sex recognition by male fish would have to be accomplished by the olfactory structures. B. Pressure waves in the water would have to be detected by other sensory structures. C. Propulsion and directional control would have to be facilitated by other fins. D. Gas exchange through the gill slits would have to be increased. E. Skeletal support would need to be reinforced internally.