$$\text{C}_6\text{H}_{12}\text{O}_6 + 6\text{O}_2 \rightarrow 6\text{CO}_2 + 6\text{H}_2\text{O} + \text{energy}$$

$$6\text{CO}_2 + 6\text{H}_2\text{O} + \text{light energy} \rightarrow \text{C}_6\text{H}_{12}\text{O}_6 + 6\text{O}_2$$

$$\text{DNA} \rightarrow \text{DNA} + \text{DNA}$$

Question 1

Which of the following best describes the relationship between the chemical organization of the cell and its metabolic operations?

Accepted Answer

Metabolic operations depend on the cell's chemical organization, which determines the types of reactions that can occur.

Question 2

A student is studying the process of cellular respiration. Which equation correctly represents the overall reaction for aerobic cellular respiration?

Accepted Answer

$$	ext{C}_6	ext{H}_{12}	ext{O}_6 + 6	ext{O}_2 ightarrow 6	ext{CO}_2 + 6	ext{H}_2	ext{O} + 	ext{energy}$$

Question 3

Which of the following statements about cell membranes is most accurate?

Accepted Answer

Cell membranes are dynamic, selectively permeable barriers composed primarily of phospholipids and proteins.

Question 4

During photosynthesis, which equation represents the conversion of light energy into chemical energy?

Accepted Answer

$$6	ext{CO}_2 + 6	ext{H}_2	ext{O} + 	ext{light energy} ightarrow 	ext{C}_6	ext{H}_{12}	ext{O}_6 + 6	ext{O}_2$$

Question 5

Which cellular structure is responsible for the synthesis of proteins?

Accepted Answer

Ribosomes

Question 6

A mutation occurs in the DNA sequence of a gene. Which process is most directly affected by this mutation?

Accepted Answer

Transcription

Question 7

Which of the following best explains why enzymes are essential for cellular metabolism?

Accepted Answer

Enzymes lower the activation energy required for metabolic reactions, increasing reaction rates.

Question 8

Which process is responsible for the genetic diversity observed in sexually reproducing organisms?

Accepted Answer

Meiosis

Question 9

A patient is diagnosed with a disorder caused by a defect in the cell membrane's transport proteins. Which cellular function is most likely impaired?

Accepted Answer

Selective transport of molecules across the membrane

Question 10

Which of the following is a correct statement about the structure and function of nucleic acids?

Accepted Answer

Nucleic acids are polymers of nucleotides that store and transmit genetic information.

Question 11

Which equation represents the process of DNA replication?

Accepted Answer

$$	ext{DNA} ightarrow 	ext{DNA} + 	ext{DNA}$$

Question 12

Which of the following scenarios best illustrates the concept of inheritance?

Accepted Answer

A child inherits a genetic disorder from both parents due to a mutation in a specific gene.

Question 13

Which of the following is a real-world example of gene regulation affecting organismal function?

Accepted Answer

The expression of insulin in pancreatic cells is regulated to maintain blood glucose levels.

Question 14

Which of the following best describes the role of the cell cycle in multicellular organisms?

Accepted Answer

The cell cycle regulates cell growth, division, and differentiation in multicellular organisms.

Question 15

A scientist observes that a mutation in a gene leads to a nonfunctional protein. Which step in gene expression is most likely affected?

Accepted Answer

Translation

Question 16

Which of the following equations represents the hydrolysis of ATP, a key reaction in cellular energy manipulation?

Accepted Answer

$$	ext{ATP} + 	ext{H}_2	ext{O} ightarrow 	ext{ADP} + 	ext{P}_i + 	ext{energy}$$

Question 17

Which scenario best demonstrates the importance of cell membrane structure in medical cases?

Accepted Answer

A patient with cystic fibrosis has a mutation affecting chloride ion channels in the cell membrane, leading to thick mucus production.

Question 18

Which of the following best explains the significance of carbon in the molecular diversity of life?

Accepted Answer

Carbon atoms can form four covalent bonds, allowing for a variety of complex molecules.

Question 19

Which of the following is a multi-step problem involving inheritance and gene expression?

Accepted Answer

Transcription and translation are both affected, leading to altered gene expression and protein function.

General Biology I (BIOL 160) Syllabus and Course Structure – Spring 2026

Study Guide - Practice Questions