$\text{Reactants} \rightarrow \text{Products}$

Question 1

Which of the following is NOT one of the four major biomolecules that comprise cells and tissues?

Accepted Answer

Vitamins

Question 2

Proteins are the most numerous molecules in a cell. Which property is most critical for their function?

Accepted Answer

Their structure and charge

Question 3

Which type of chemical bond is primarily responsible for the proper folding of proteins?

Accepted Answer

A combination of many bond types

Question 4

Given the chemical equation $\mathrm{NaF} + \mathrm{F}_2 \rightarrow \mathrm{HF}$, which molecule is the product?

Accepted Answer

$\mathrm{HF}$

Question 5

Which of the following best describes a reversible chemical reaction?

Accepted Answer

A reaction where products can convert back to reactants

Question 6

Which form of energy is stored and can be released later to do work in cells?

Accepted Answer

Potential energy

Question 7

Kinesin is a motor protein that moves along microtubules. Which type of energy does it primarily use?

Accepted Answer

Chemical energy

Question 8

Which macromolecule contains genetic information and is responsible for heredity?

Accepted Answer

Nucleic acids

Question 9

A student mixes glucose and oxygen in a test tube and observes the formation of carbon dioxide and water. Which type of chemical reaction is this?

Accepted Answer

Combustion reaction

Question 10

Which of the following best represents the general form of a chemical equation?

Accepted Answer

$	ext{Reactants} ightarrow 	ext{Products}$

Question 11

Which of the following is a real-life example of a reversible reaction in human physiology?

Accepted Answer

Binding and release of oxygen by hemoglobin

Question 12

Which statement about kinetic energy in atoms is correct?

Accepted Answer

All atoms have kinetic energy because they are in constant motion

Question 13

Which of the following is NOT a function of proteins in cells?

Accepted Answer

Storing genetic information

Question 14

A mutation changes the charge of an amino acid in a protein. What is the most likely consequence?

Accepted Answer

The protein's folding and function may be altered

Question 15

Which of the following best describes mechanical energy in the context of cellular processes?

Accepted Answer

Energy due to movement or position of objects

Question 16

Which macromolecule is primarily responsible for forming cell membranes?

Accepted Answer

Lipids

Question 17

Which of the following is a correct example of a chemical notation for a molecule?

Accepted Answer

$\mathrm{NaF}$

Question 18

Which of the following statements about energy in chemical reactions is correct?

Accepted Answer

Energy can be stored as potential energy and released as kinetic energy

Question 19

Which of the following is a function of carbohydrates in cells?

Accepted Answer

Providing energy

Question 20

A patient is diagnosed with a disorder affecting the structure of their DNA. Which macromolecule is most likely involved?

Accepted Answer

Nucleic acid

Lecture 7

Study Guide - Practice Questions