Question 1

Which mineral is essential for the synthesis of hemoglobin and myoglobin, and its deficiency can lead to anemia?

Accepted Answer

Iron

Question 2

Which of the following best describes catabolism?

Accepted Answer

The breakdown of complex molecules into simpler ones, releasing energy

Question 3

What is the primary function of ATP in cellular metabolism?

Accepted Answer

Serves as the immediate energy source for cellular work

Question 4

Which equation correctly represents the relationship between Gibbs free energy change and equilibrium constant?

Accepted Answer

$$\Delta G = -RT \ln K_{eq}$$

Question 5

A patient presents with symptoms of marasmus. Which of the following best describes this condition?

Accepted Answer

Extreme wasting of muscle and adipose tissue due to prolonged deprivation of both calories and protein

Question 6

Which of the following is a key health effect of dietary fiber?

Accepted Answer

Lowers risk of colon cancer

Question 7

Which of the following statements about triglycerides (TG) is correct?

Accepted Answer

They are the primary form of energy storage in the body

Question 8

Which process is responsible for the direct transfer of a phosphate group to ADP to form ATP, without involving the electron transport chain?

Accepted Answer

Substrate-level phosphorylation

Question 9

During glycolysis, which step is directly responsible for the net production of ATP?

Accepted Answer

Conversion of phosphoenolpyruvate (PEP) to pyruvate

Question 10

Which of the following is NOT a function of dietary fiber?

Accepted Answer

Increases risk of cardiovascular disease

Question 11

Which of the following is the correct formula for the standard free energy change of an oxidation-reduction reaction?

Accepted Answer

$$\Delta G^\circ' = -nF\Delta E^\circ'$$

Question 12

Which of the following is a key product of the Krebs cycle that is used in the electron transport chain?

Accepted Answer

NADH

Question 13

Which molecular genetics technique is used to amplify a specific DNA segment using oligonucleotide primers and a heat-stable DNA polymerase?

Accepted Answer

Polymerase Chain Reaction (PCR)

Question 14

Which of the following is a characteristic of a 'good' genetic marker?

Accepted Answer

It is highly polymorphic and easily detectable

Question 15

Which of the following best describes the function of allele-specific oligonucleotides (ASO)?

Accepted Answer

They are used to detect known mutations by hybridizing to specific DNA sequences

Question 16

Which of the following statements about Sanger sequencing is correct?

Accepted Answer

It relies on chain-terminating dideoxynucleotides to determine DNA sequence

Question 17

Which animal model is created by introducing a specific genetic mutation to study the effects of gene expression?

Accepted Answer

Knockout mouse

Question 18

Which of the following is a direct application of quantitative real-time PCR (qPCR)?

Accepted Answer

Measuring the abundance of specific mRNA transcripts in a sample

Question 19

Which of the following is the correct formula for the Gibbs free energy change?

Accepted Answer

$$\Delta G = \Delta H - T \Delta S$$

Question 20

Which of the following is a key advantage of next-generation sequencing (NGS) over Sanger sequencing?

Accepted Answer

NGS allows massively parallel sequencing of millions of DNA fragments simultaneously

Comprehensive Study Notes: Metabolism, Bioenergetics, and Human Molecular Genetics

Study Guide - Practice Questions