12. The degradation of be best described as starch can (a) anabolic metabolic (c
ID: 279982 • Letter: 1
Question
12. The degradation of be best described as starch can (a) anabolic metabolic (c) exergonic (d) endergonic 13. Generally, the atom that is reduced will experience which of the following with respect to the electrons in its outer shell? net gairn (b) net los (c) no change (d) an equal sharing 14. Enzymes speed up chemical reactions by lower the requirement of free energy (a) cofactors (b) equilibrium (d) activation energy AG 15. Based on the difference of free energy which of the following reaction is considered as (a) +7.3 kcal/mole (c) +5.5 kcal/mole (b)-3.7 kcal/mole+686 kcal/mole 16. Cellular respiration can "burning" chemicals (a) fat (b) sugar (c) protein @all of the above 17. Which of the following molecule is used by human as a short term storage of energy? (c) starch ?fat (a) cholesterol (b) glycogen 18. Which of the following event takes place during glycolysis? oxidation only (c) exergonic only (b) reduction only (d) endergonic only (e) all of the above 19. The molecule originated from glycolysis that enters Krebs cycle directly is (c) pyruvate (a) glucose (b) oxaloacetate acetyl CoA 20. Which of the following is used preferentially as energy source by your brain? (a) glucose (b) protein (c) fatty acids glycerol 21. Which of the following processes require energy? (a) protein synthesis (c) muscle contraction (b) glycogen synthesis all of the aboveExplanation / Answer
Answer:
12.
Degradation of macromolecules starch can be best described as metabolic processes.
Hence,option (C) is correct answer.
13.
The atom that is reduced will experience net gain with respect to the electron in its outer shell.
Hence, option (a) is correct answer.
14.
Enzyme speed up the reactions by lower the requirement of activation energy.
Hence,option (d) is correct answer.
15.
If delta G or Gibb's energy difference is negative then reaction is negative.
Hence,option (B) is correct.
16.
Cellular respiration is analogous process of burning chemicals originated from lipid,protein and sugars.
Hence, option(d) is correct.
17.
Glycogen is used by humans a short term storage of energy.
Hence, option (B) is correct.
18.
In glycolysis oxidation,reduction, exergonic,and endergonic events takes place.
Hence, option(e) is correct answer.
19.
Acetyl-coa is the molecule originated in glycolysis directly entered into the krebs cycle.
Hence, option(d) is correct answer.
20.
Glucose is used preferentially as energy source by your brain.
Hence, option (a) is correct.
21.
Protein synthesis, glycogen Synthesis, and muscle contraction require energy.
Hence, option (d) is correct answer.
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