The first law of thermodynamics states that ________.
What will be an ideal response?
Energy can be converted from one form to another, but cannot be created or destroyed.
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During a laboratory experiment, you discover that an enzyme-catalyzed reaction has a ?G of -20 kcal/mol. If you double the amount of enzyme in the reaction, what will be the ?G for the new reaction?
A) -40 kcal/mol B) -20 kcal/mol C) 0 kcal/mol D) +20 kcal/mol E) +40 kcal/mol
Which of the following is an example of gene regulation at the posttranslational level?
A. Initiation of protein synthesis B. Alteration of protein structure C. Prevention of RNA synthesis D. Early termination of an mRNA transcript
Which of the following is NOT an effect of
cortisol?
a. causes liver cells to hydrolyze glucagon b. suppresses the uptake of glucose by body cells c. suppresses the hydrolsis of fats by adipose cells d. causes skeletal muscle cells to degrade proteins e. more than one of these is NOT an effect of cortisol
Which of the following is true regarding quadrats?
a. A full population count is usually impractical. b. Quadrats are plots of land of the same size and shape that can be used to randomly count a single non-migrating species. c. Once several quadrats are counted, an estimate of number of a particular organism can be extrapolated for a given land mass. d. Sampling error is common if the size of the quadrats is not large. e. All of these are correct.