43. What will happen if you grow your yucca in the dark for 2wks while providing

Question

43. What will happen if you grow your yucca in the dark for 2wks while providing nutrient water and CO2? (not in your review) A) Nothing... I will have nice yucca yam at end of 2wks B) The leaves will be dull or dead so no yucca yam will be available at the end of 2wks C) The yucca yam willbe bigger than if I grew it outside; after all carbohydrates are D) The yucca yam wil not form at all for it needs light to make ATP to drive yucca production E) made in night reaction. at might Imissed class that day so I will have to guess the answer 44. T/F Leaves in plants act like solar panel to harness the sun's energy and for cellular respiration (not in your review) A) Absolutely true statement B) Absolutely false statement C) There is some truth to the statement and I can prove that D) I missed class that day so I will have to guess the answer T/F When an animal dies and rots, this is a good example of First law of thermodynamics A) Absolutely true statement B) Absolutely failse statement C) None of the above option is correct D) Imissed class that day so I will have to guess the answer 46. T/F? Plants use ATP from light reaction to maintain its own metabolic activities (not reviewed)? A) Absolutely true statement 8) Absolutely false statement C) None of the above option is correct D) Imissed class that day so I will have to guess the answer 47. T/F in terms of thermodynamics, yucca is kinetic energy (not reviewed)? A) Absolutely true statement B) Absolutely faise statement C) None of the above option is correct D) Imissed class that day so I will have to guess the answer 48. T/F, When you waste energy in your home, you are essentially destroying'?which would ncrease your energy bill? A) Absolutely true statement 8) Absolutely false statement C) None of the above option is correct D) Imissed dlass that day so I will have to guess the answer 9. T/F. Normal cells can survive on ATP from glycolysis very well... A) True B) False 0. T/F. Stage 4 cancer cells are efficient in ATP synthesis from ETC A) True B) False

Explanation / Answer

43. D. Light is the essential requirement for carbohydrate synthesis during photosynthesis. During light reaction phase, ATP and NADPH are synthesized which are used for carbohydrate synthesis during light independent reaction phase.

Also there is confusion between yuca plant which produces yam and yucca plant which is ornamental plant devoid of yam. Yucca plant require sufficient light to grow. Under dark they will not survive.

44. C. Plant's leaves act as solar panel to harness sun energy, but not for respiration. Actually it is for photosynthesis.

45. A. First law of thermodynamics states that neither matter nor energy can be created or destroyed. They can only be converted from one form to another. In case of animal dies and rots, the matter is decomposed and utilised again by other factors. This way matter is recycled.

46. A. ATP is a form of chemical energy which is utilized during light independent reactions which involve synthesis of carbohydrate.

47. B. It is a form of stored potential energy.

48. B. Energy van neither be created nor be destroyed.

49. B. False, glycolysis produces only 2 ATP per glucose while TCA by le followed by oxidative phosphorylation can result in more than 30 ATPs.

50. B. False, stage 4 cancer cells rely on glycolysis for energy requirements.

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