You are working with a specific enzyme-catalyzed reaction in the lab. You are a very careful experimentalist, and as a result, at the beginning of each of your experiments, you measure the temperature in the lab. On days 1 through 5, the temperature in the lab was 20oC. Today is day 6 of your experiment, and the temperature in the lab is 30oC. How do you predict that this will alter the rate of
your enzyme-catalyzed reaction?
A. It will decrease the rate
B. It will increase the rate
C. It could possibly increase or decrease the rate
D. it will not affect the rate
C
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Productivity in coastal waters is high due to
a. nutrients from land. b. sediments rich in nutrients. c. upwelling. d. both a and c e. a, b, and c.
Control of respiratory rate, heart rate, and blood pressure is integrated through the
A) cerebral cortex. B) cerebellum. C) thalamus. D) hypothalamus. E) medulla oblongata.
The 2009 H1N1 flu virus
A) was an avian flu virus. B) was spread by mosquitoes. C) evolved through the genetic reshuffling of viruses that infect humans, birds, and pigs. D) killed over 50 million people worldwide.
Nucleic acid blotting is commonly used in molecular biology. Northern blotting is used to detect the presence of which type of nucleic acid?
A) deoxyribonucleic acids B) ribonucleic acids C) unnatural nucleic acids D) transfer ribonucleic acids E) triphosphate nucleic acids