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Bch 3025 module 1 Exam Questions With Correct Answers $12.49   Add to cart

Exam (elaborations)

Bch 3025 module 1 Exam Questions With Correct Answers

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  • BCH 3023
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  • BCH 3023

Bch 3025 module 1 Exam Questions With Correct Answers A dynamic steady state results when A. a molecule stops being degraded. B. an organism is at equilibrium with its surroundings. C. there is no net energy transfer. D. the rate of intake or synthesis of a molecule equals the rate of its dis...

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  • August 1, 2024
  • 7
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BCH 3023
  • BCH 3023
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Thebright
EXAM STUDY MATERIALS July 26, 2024 9:30 AM Bch 3025 module 1 Exam Questions With Correct Answers A dynamic steady state results when A. a molecule stops being degraded. B. an organism is at equilibrium with its surroundings. C. there is no net energy transfer. D. the rate of intake or synthesis of a molecule equals the rate of its disappearance - answer✔✔Choice D is correct. A dynamic steady state results when the rate of synthesis or intake of a molecule equals the rate of its breakdown, consumption, or conversion into some other product. For example, a dynamic steady state in the blood maintains constant levels of hemoglob in and glucose. An open system is one A. that exchanges neither matter nor energy with its surroundings. B. that exchanges energy but not matter with its surroundings. C. that exchanges both matter and energy with its surroundings. D. that exchanges matter but not energy with its surroundings. - answer✔✔Choice C is correct. If a system exchanges energy and matter with its surroundings, it is called an open system. A living organism, for example, is an open system because it exchanges matter and en ergy with its surroundings. EXAM STUDY MATERIALS July 26, 2024 9:30 AM Which of the following is true about the energy from sunlight? A. All organisms obtain their energy directly from the radiant energy of sunlight. B. Photosynthetic cells use light energy to drive electrons from one molecule to another. C. Photosynthetic cells use light energy to produce CO2 that can be used as energy by non -
photosynthetic cells. D. Photosynthetic cells absorb light energy and use it to break down compounds such as starch and sucrose. - answer✔✔Choice B is cor rect. Photosynthetic cells absorb light energy and use it to drive electrons from water to carbon dioxide to form energy -rich products such as glucose, starch, and sucrose Which of the following is true about carbon bonding? A. Carbon -carbon double bon ds have freedom of rotation. B. Carbon atoms can form covalent bonds with up to four other atoms. C. Carbon can form double bonds with hydrogen. D. Carbon -carbon single bonds cannot rotate. - answer✔✔Choice B is correct. Carbon atoms have four unpaired electrons and therefore can share electron pairs (covalent bonds) with up to four other atoms. In addition to forming single covalent bonds with four atoms, carbon can form two single and one double bond, etc. The amino acid alanine contains all of the following functional groups except A. an amino group. B. a methyl group. C. an ester group. D. a carboxyl group. - answer✔✔Choice C is correct. Alanine does not contain an ester group what are diasteromers

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