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BIOCHEM Final Exam: Exam 1-4 Questions (KU BIOL 600) Graded A+ CA$16.79
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BIOCHEM Final Exam: Exam 1-4 Questions (KU BIOL 600) Graded A+
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BIOCHEM Final Exam: Exam 1-4 Questions (KU BIOL 600) Graded A+ What is the primary function of hemoglobin in the blood? Transport oxygen from the lungs to the tissues Store iron for later use Help regulate body temperature Act as an enzyme for digestion Which type of bond holds the two ...

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  • October 23, 2024
  • 43
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • biochem final exam exam 1 4 questions ku biol 60

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BIOCHEM Final Exam: Exam 1-4
Questions (KU BIOL 600) Graded A+
What is the primary function of hemoglobin in the blood?


✔✔ Transport oxygen from the lungs to the tissues


Store iron for later use

Help regulate body temperature

Act as an enzyme for digestion




Which type of bond holds the two strands of DNA together?


✔✔ Hydrogen bonds


Covalent bonds

Ionic bonds

Peptide bonds




What is the final product of glycolysis?


✔✔ Pyruvate


Glucose

Lactate

1

,Acetyl-CoA




Which amino acid contains a sulfur group?


✔✔ Cysteine


Valine

Proline

Glycine




In the process of beta-oxidation, what happens to fatty acids?


✔✔ They are broken down into acetyl-CoA


They are converted to glucose

They are stored as triglycerides

They are used to synthesize proteins




What role does the enzyme hexokinase play in glycolysis?

Phosphorylation of glucose

Conversion of pyruvate to acetyl-CoA

Oxidation of NADH


2

,✔✔ Phosphorylation of glucose




Which vitamin is essential for the synthesis of coenzyme A?


✔✔ Pantothenic acid (Vitamin B5)


Vitamin B12

Vitamin C

Vitamin D




What is the main difference between competitive and non-competitive enzyme inhibition?


✔✔ Competitive inhibition involves the inhibitor binding to the active site


Non-competitive inhibition increases enzyme activity

Competitive inhibition permanently inactivates the enzyme

Non-competitive inhibitors only bind to substrates




Which molecule is the primary carrier of high-energy electrons in the electron transport chain?


✔✔ NADH


ATP

Glucose

3

, FADH2




What is the primary function of ribosomes in a cell?


✔✔ Protein synthesis


Lipid synthesis

DNA replication

Carbohydrate metabolism




In DNA replication, which enzyme is responsible for adding new nucleotides to the growing

DNA strand?


✔✔ DNA polymerase


RNA polymerase

Helicase

Ligase




What is the primary purpose of the citric acid cycle?


✔✔ To generate high-energy electron carriers (NADH and FADH2)


To produce glucose


4

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