Which of the following is an important vasodilator in coronary arteries?
A) adenosine
B) nitric oxide
C) endothelin-1
D) oxygen
E) bradykinin
Ans: A) adenosine
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Which cells of the pancreas produce insulin?
a. alpha cells b. beta cells c. delta cells d. F cells e. gamma cells
Bacterial enzymes that are part of a rarely used catabolic pathway are usually organized into a(n) __________
a. inducible operon b. repressible operon c. inducible zinc finger d. repressible leucine zipper e. constitutive operon
Why is the cassava plant difficult to engineer without the help of modern biotechnology?
A) The plant has a very low mutation rate. B) The plant is long lived making selective breeding ineffective. C) The plant is integral to African agriculture and is already optimized. D) The plant does not undergo recombination events, which limits genetic drift.
Occurs in animal cells (CHECK ALL THAT APPLY).
a. Glycolysis b. Citric Acid Cycle c. Oxidative phosphorylation d. None of the above