Why is photosynthesis considered an endergonic reaction?
A) Photosynthesis does not comply with the physical laws of the universe.
B) Low-energy reactants are converted to high-energy products.
C) Activation energy is not required.
D) Sugar has less energy than does the sun.
E) Protein catalysts are not needed.
B
You might also like to view...
Which of the following would occupy the lumen of a transverse tubule?
A. extracellular fluid B. cytoplasm C. actin D. myosin E. sarcomeres
What structures are used for direct cell to cell signaling?
Desmosomes Tight junctions Exocytosis vesicles Gap junctions
One major strength of science is
a. all theories are correct. b. all experiments are successful. c. new ideas are considered as new information comes to light. d. facts that have been discovered remain unchanged. e. all questions may be explained by science.
Which of the following statements concerning the role of redox reactions in photosynthesis and cellular respiration is true?
A) Photosynthesis involves only reductions, whereas respiration involves only oxidations. B) Photosynthesis involves only oxidations, whereas respiration involves only reductions. C) In photosynthesis, carbon dioxide is oxidized to form sugar, whereas in respiration, sugar is reduced to form carbon dioxide. D) In photosynthesis, carbon dioxide is reduced to form sugar, whereas in respiration, sugar is oxidized to form carbon dioxide.