When performing a sequencing reaction using Sanger sequencing, which ddNTPs must be included in the reaction?
A) ddCTP
B) ddATP
C) ddTTP
D) ddGTP
E) all four ddNTPs must be present
Answer: E
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In graph (b) in the figure above, which of the following best explains the data given about Lotus corniculatus?
A) This plant grows best when AMF taxa A or C are present. B) Lotus corniculatus does not form mycorrhizal associations. C) Mycorrhizal fungi parasitize the plant's roots when they are present, reducing its growth. D) This plant forms multiple AMF associations, growing best with increased fungal diversity.
The free energy of ATP hydrolysis is -31.0 kJ/mol. The free energy of glucose phosphorylation by hexokinase is
+14.3 kJ/mol. These two reactions are coupled to allow them to proceed spontaneously. What is the overall free energy associated with this coupled reaction?
a. -45.3 kJ/mol b. -31 kJ/mol c. -16.7 kJ/mol d. 16.7 kJ/mol e. 45.3 kJ/mol
What is true of exercise and aging? a. Tendons stiffen with age but are no more likely to tear
b. Strength training slows age-related loss of muscle tissue. c. Exercise stimulates the addition of new muscle fibers in people of all ages. d. Exercise causes muscle mass to increase in old people as much as in younger ones.
A behavioral physiologist is studying the homeostatic control of blood pH. In a trial, a lizard runs on a treadmill for a set amount of time and the blood pH is measured. The blood pH drops as carbon dioxide is released into the bloodstream
Which component of the homeostatic feedback system is responsible for deciding if the blood pH is far enough from normal that a response is necessary? A) effector B) sensor C) integrator D) assimilator