Which of the following statements comparing photosynthesis and cellular respiration is false?
A) ATP is not produced during photosynthesis; it is produced only during cellular respiration.
B) Photosynthesis is ultimately powered by light energy and respiration by the chemical energy of fuel molecules.
C) Photosynthesis consumes CO2; respiration consumes O2.
D) Photosynthesis produces O2; respiration produces CO2.
Answer: A
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Which reaction is most likely to have more products than reactants when it reaches equilibrium?
a. DG = -25 kcal/mol
b. DG = -50 kcal/mol c. DG = -75 kcal/mol d. DG = -100 kcal/mol e. They will all have the same ratio of products to reactants regardless of the DG value.
The way DNA stores information is through the ________ of bases
A) sequence B) size C) different types D) number
The bicuspid (mitral) valve
A. is the location of the pacemaker cells of a normal heart. B. prevents blood flow from the right ventricle to the right atrium. C. prevents blood flow from the left ventricle to the left atrium. D. prevents blood flow from the pulmonary artery to the right ventricle. E. prevents blood flow from the aorta to the left ventricle.
Which of the following animals has a single circuit of blood flow and two heart chambers?
A) salamander B) salmon C) snake D) squirrel