UCI BIO 93 MIDTERM 2 EXAM STUDY GUIDE QUESTIONS AND CORRECT DETAILED / VERIFIED ANSWERS LATEST UPDATE

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UCI BIO 93 MIDTERM 2 EXAM STUDY GUIDE QUESTIONS AND CORRECT DETAILED / VERIFIED ANSWERS LATEST UPDATE

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2024/2025

Institution UCI Bio 93

Course UCI Bio 93

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What is a metabolic pathway? - ANS A pathway that a molecule goes through, resulting in a specific product. What is metabolism? - ANS The totality of an organism's chemical reactions Gibbs free energy - ANS Portion of a system that can perform work when temp and pressure are uniform throughout the system. What is a way to show change in free energy? - ANS What does a negative Delta G mean? - ANS A process that is spontaneous What does spontaneous mean? - ANS Means that a process will occur. What happens to the energy in a exergonic reaction? - ANS It is released What happens to the energy in an endergonic reaction? - ANS It is consumed in the reaction. True or False A cell must have endergonic and exergonic reactions - ANS True Is ATP Hydrolysis an exergonic or endergonic reaction? - ANS Exergonic Mechanical and Transport work are what kind of reactions? - ANS Endergonic Why does ATP hydrolysis release so much energy? - ANS All 3 phosphate groups ate neg. charged, so there is mutual repulsion within all of them What do enzymes do? - ANS Lower energy barriers to drive chemical reactions

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K
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LO
UCI BIO 93 MIDTERM 2 EXAM
STUDY GUIDE QUESTIONS
YC
AND CORRECT DETAILED /
VERIFIED ANSWERS LATEST
D

UPDATE
U
ST

, What is a metabolic pathway? - ANS A pathway that a molecule goes through,
resulting in a specific product.

What is metabolism? - ANS The totality of an organism's chemical reactions

Gibbs free energy - ANS Portion of a system that can perform work when temp and
pressure are uniform throughout the system.

What is a way to show change in free energy? - ANS

K
What does a negative Delta G mean? - ANS A process that is spontaneous

C
What does spontaneous mean? - ANS Means that a process will occur.

What happens to the energy in a exergonic reaction? - ANS It is released

LO
What happens to the energy in an endergonic reaction? - ANS It is consumed in the
reaction.

True or False
YC
A cell must have endergonic and exergonic reactions - ANS True

Is ATP Hydrolysis an exergonic or endergonic reaction? - ANS Exergonic
D

Mechanical and Transport work are what kind of reactions? - ANS Endergonic
U

Why does ATP hydrolysis release so much energy? - ANS All 3 phosphate groups ate
neg. charged, so there is mutual repulsion within all of them
ST

What do enzymes do? - ANS Lower energy barriers to drive chemical reactions

What does the suffix -ase usually mean? - ANS An enzyme

How does an exergonic energy profile look like? - ANS

Enzymes are biological ___________ - ANS Catalysts

What is the site of cellular respiration in all eukaryotic cells? - ANS Mitochondria

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Uploaded on: December 10, 2024
Number of pages: 12
Written in: 2024/2025
Type: Exam (elaborations)
Contains: Questions & answers

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