Plants require energy from light to perform photosynthesis in which glucose is formed from carbon dioxide and water. This is an example of _____.
A. an exergonic reaction
B. kinetic energy
C. an endergonic reaction
D. potential energy
E. equilibrium
Answer: C. an endergonic reaction
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It is estimated that there are a total of 50-100 trillion cells in a human body. Starting from a fertilized egg, how many cell divisions would be required to produce 50 trillion cells, assuming that every cell divides in every cycle?
A. 455 divisions B. 45.5 divisions C. 50-100 divisions D. one division per day for nine months
Neurons of the somatic nervous system relay:
a. commands to skeletal muscles b. information from the internal environment to the central nervous system c. signals to smooth and cardiac muscles d. signals to adjust digestion e. signals to adjust the breathing rate
The most dangerous type of arrhythmia is
a. tachycardia. b. ventricular fibrillation. c. brachycardia. d. atrial fibrillation. e. an electrocardiogram.
Given the following plasmid, what are the sizes of the fragments you would expect from a NotI digest?
What will be an ideal response?