Question 1

Which of the following best distinguishes organic compounds from inorganic compounds?

Accepted Answer

Organic compounds are based on carbon and hydrogen, while inorganic compounds are not.

Question 2

Which of the following statements about monomers and polymers is correct?

Accepted Answer

Monomers are basic building blocks that link together to form polymers.

Question 3

A patient is diagnosed with a genetic disorder that affects the structure of their phospholipids. Which cellular function is most likely to be directly impaired?

Accepted Answer

Formation of cellular membranes

Question 4

Which of the following best describes the structure of a triglyceride?

Accepted Answer

A glycerol backbone bound to three fatty acid tails

Question 5

Which functional group is most likely to increase the polarity and solubility of an organic molecule in water?

Accepted Answer

Hydroxyl group ($$-OH)$$

Question 6

A mutation causes a protein to lose its ability to bind oxygen. Which protein function is most directly affected?

Accepted Answer

Transportation and storage

Question 7

Which of the following is NOT a function of proteins in the human body?

Accepted Answer

Storing genetic information

Question 8

Which of the following best describes the role of DNA in cells?

Accepted Answer

Stores genetic instructions and passes inherited traits

Question 9

Which molecule acts as the universal energy currency of the cell, transferring phosphate groups to drive cellular work?

Accepted Answer

ATP

Question 10

During intense exercise, muscle cells rapidly regenerate ATP using which high-energy compound?

Accepted Answer

Creatine phosphate

Question 11

Which of the following best explains why phospholipids are essential for cell membrane structure?

Accepted Answer

They are amphipathic, with both hydrophilic heads and hydrophobic tails.

Question 12

A scientist isolates a molecule with the following structure: four fused carbon rings. This molecule is most likely a:

Accepted Answer

Steroid

Question 13

Which of the following best describes the function of NADH and FADH$$_2 in $$cellular metabolism?

Accepted Answer

They carry high-energy electrons to the electron transport chain.

Question 14

Which of the following is a correct pairing of a macromolecule and its monomer?

Accepted Answer

Carbohydrate – Monosaccharide

Question 15

A patient has a mutation that prevents the formation of peptide bonds. Which biological process would be most directly affected?

Accepted Answer

Synthesis of proteins

Question 16

Which of the following best explains why functional groups are important in organic molecules?

Accepted Answer

They determine the molecule's chemical reactivity and physical properties.

Question 17

Which of the following is a function of RNA but NOT DNA?

Accepted Answer

Translating genetic code into proteins

Question 18

A researcher discovers a molecule that is a long chain fatty acid linked to a long chain alcohol via an ester bond. This molecule is most likely a:

Accepted Answer

Wax

Question 19

Which of the following best describes the process of phosphorylation in cellular metabolism?

Accepted Answer

The transfer of a phosphate group from ATP to another molecule

Question 20

Which high-energy compound is primarily used as an energy source for protein synthesis and cellular signaling?

Accepted Answer

GTP (Guanosine Triphosphate)

Organic Chemistry and Biomolecules: Guided Study for ANP

Study Guide - Practice Questions

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