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LSU BIO 1201 EXAM 2 QUESTIONS WITH ALL CORRECT ANWERS GRADED A+ $12.99
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LSU BIO 1201 EXAM 2 QUESTIONS WITH ALL CORRECT ANWERS GRADED A+
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LSU BIO 1201 EXAM 2 QUESTIONS WITH ALL CORRECT ANWERS GRADED A+ What would happen to red blood cells if they were placed in a hypotonic solution? - Answer-They would lyse (explode) What step in a metabolic pathway is it energetically most desirable to inhibit? - Answer-The first enzyme in the p...

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  • October 29, 2024
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  • 2024/2025
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LSU BIO 1201 EXAM 2
QUESTIONS WITH ALL CORRECT
ANWERS GRADED A+

What would happen to red blood cells if they were placed in a hypotonic solution? -
Answer-They would lyse (explode)

What step in a metabolic pathway is it energetically most desirable to inhibit? - Answer-
The first enzyme in the pathway

What type of enzyme regulation is pictured? - Answer-Competitive

Which contains more energy: NADH or FADH2? - Answer-NADH

Which contains more energy: Glucose or pyruvate? - Answer-Glucose

O2 is used by - Answer-Oxidative phosphorylation

O2 is produced by - Answer-Light reactions

Water is split in - Answer-Light reactions

Autotroph - Answer-An organism that obtains organic molecules without eating other
organisms

Heterotroph - Answer-An organism that obtains organic molecules by eating other
organisms

An endergonic reaction has negative or positive ΔG? - Answer-Positive (+ ΔG)

What is ΔG‡? - Answer-Activation energy barrier; determines the rate of the reaction

Is a reaction with - ΔG spontaneous? - Answer-yes

What bonds are broken during protein denaturation? - Answer-Protein unfolds due to
broken weak bonds which stabilize the 3-dimensional structure

What is the energy currency of cells? - Answer-ATP

, Which type of inhibition can be overcome by increasing substrate concentration? -
Answer-competitive

What step in a metabolic pathway is it energetically most desirable to inhibit? - Answer-
The first enzyme in the pathway

How many ATPs (net) are produced in glycolysis using glucose as the starting material?
- Answer-2

Where does glycolysis occur? - Answer-cytoplasm

What are the products from the glycolysis of 1 glucose molecule? - Answer-2 ATP, 2
NADH, 2 pyruvate

Of glucose, ATP, pyruvate, and NADH, which has the most energy? - Answer-Glucose

What enzymes catalyze substrate level ATP production? - Answer-Kinases

Where in the cell does the ETC and chemiosmosis take place? - Answer-mitochondria

Creatine Phosphate - high energy phosphagen store in - Answer-vertebrates

Arginine Phosphate - high energy phosphagen store in - Answer-invertebrates

The high energy phosphagen store is used to regenerate - Answer-ATP

Catabolic processes (produce or require?) ATP and reducing power - Answer-produce

Anabolic processes (produce or require?) ATP and reducing power - Answer-require

In the (presence or absence?) of adequate oxygen, glucose is fermented in the
cytoplasm - Answer-absence

In the (presence or absence?) of adequate oxygen pyruvate is channeled into the Krebs
cycle in mitochondria. - Answer-presence

The free energy of the proton gradient is used to drive the synthesis of ATP which is -
Answer-an exergonic reaction catalyzed by the enzymes ATP synthase

how many ATP are produced in aerobic respiration? - Answer-net of 30-32

Chemiosmosis - Answer-the movement of protons down their concentration gradient to
provide the energy for ATP synthesis

Which of the following statements about the role of phospholipids in forming
membranes is correct? - Answer-Phospholipids form a selectively permeable structure.

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