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BIO 150 , questions and answers already passed 2024
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BIO 150 , questions and answers already passed 2024
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BIO 150: Exam 3 Question and answers100% correct (30 pgs)
Describe bacterial nutrition and metabolism visually.
What is metabolism?
What is anabolism?
Reactions that assemble small molecules into macromolecules and biomass
that use energy
What is catabolism?
Reactions that breakdown larger molecules into smaller molecules and
generate energy intermediates`
Anabolism vs: Catabolism: Visual
What connects anabolism and catabolism?
Energy intermediates
,What is an exergonic reaction? What does it look like graphically?
What is an endergonic reaction? What does it look like graphically?
Anabolic Reactions: Favorable or unfavorable? Endergonic or exergonic?
Spontaneous or non-spontaneous?
Unfavorable, Endergonic, Non-spontaneous
Catabolic Reactions: Favorable or unfavorable? Endergonic or exergonic?
Spontaneous or non-spontaneous?
Favorable, Exergonic, Spontaneous
Even favorable reactions are limited by chance? How?
Depends on temp. and activation energy
Even favorable reactions are limited by chance? Example?
What are enzymes? What do they do? What effect do they have (graphically)?
3 ways which enzymes lower activation energy/accelerate reactions?
, How do enzymes function? Explain. What are the consequences of this?
Describe Active Site and Enzyme Recycling
Enzymes participate in the reaction but are not ______________
________________ by it - _______________
Permanently changed; recycled
Enzymes accelerate reactions (10^8 to 10^20 times faster). What do they not
do?
Do not make unfavorable reactions favorable.
Chemical Reactions at Equilibrium
How do cells run unfavorable reactions? What is this called?
Anabolic reactions vs. Catabolic reactions? How do they drive reactions?
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