Q: Which equation correctly represents the process of photosynthesis?

$$6 \mathrm{CO}_2 + 6 \mathrm{H}_2\mathrm{O} \xrightarrow{\text{sunlight}} \mathrm{C}_6\mathrm{H}_{12}\mathrm{O}_6 + 6 \mathrm{O}_2$$

Question 1

Which of the following best describes the function of peroxisomes in eukaryotic cells?

Accepted Answer

They contain enzymes that break down fatty acids and detoxify harmful substances.

Question 2

A cell is placed in a solution and begins to shrink. Which term best describes the tonicity of the solution relative to the cell?

Accepted Answer

Hypertonic

Question 3

Which of the following is NOT a function of the rough endoplasmic reticulum (ER)?

Accepted Answer

Lipid synthesis

Question 4

Which equation correctly represents the process of photosynthesis?

Accepted Answer

$$6 \mathrm{CO}_2 + 6 \mathrm{H}_2\mathrm{O} \xrightarrow{	ext{sunlight}} \mathrm{C}_6\mathrm{H}_{12}\mathrm{O}_6 + 6 \mathrm{O}_2$$

Question 5

Which of the following statements about cell membranes is TRUE?

Accepted Answer

Cell membranes are dynamic and contain various proteins with multiple functions.

Question 6

Which organelle is primarily responsible for ATP production in animal cells?

Accepted Answer

Mitochondrion

Question 7

A plant cell is observed to have a rigid structure and is able to withstand high internal pressure. Which cellular component is most responsible for this property?

Accepted Answer

Cell wall

Question 8

Which of the following is a non-membrane bound organelle found in eukaryotic cells?

Accepted Answer

Ribosome

Question 9

Which process is responsible for removing a phosphate group from ATP to release energy?

Accepted Answer

Hydrolysis

Question 10

Which of the following best describes the difference between phagocytosis and autophagy?

Accepted Answer

Phagocytosis involves engulfing external particles, while autophagy recycles internal cell components.

Question 11

Which of the following is the major electrogenic pump in animal cells?

Accepted Answer

Sodium-potassium pump ($$\mathrm{Na}^+/\mathrm{K}^+-$$ATPase)

Question 12

Which of the following is a defining feature of life regarding metabolism?

Accepted Answer

The ability to regulate metabolic pathways using enzymes

Question 13

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

Accepted Answer

A double helix of DNA tightly coiled and associated with proteins

Question 14

Which of the following is the primary pigment used in photosynthesis?

Accepted Answer

Chlorophyll a

Question 15

In the Calvin Cycle, how many molecules of G3P are required to synthesize one molecule of glucose?

Accepted Answer

6

Question 16

Which of the following best describes the difference between catabolic and anabolic pathways?

Accepted Answer

Catabolic pathways break down molecules to release energy, while anabolic pathways build molecules using energy.

Question 17

Which of the following is an example of passive transport across a cell membrane?

Accepted Answer

Facilitated diffusion of glucose

Question 18

Which of the following statements about the electron transport chain in cellular respiration is TRUE?

Accepted Answer

It creates a proton gradient used for ATP synthesis during chemiosmosis.

Question 19

Which of the following best describes the role of glycolipids and glycoproteins in the cell membrane?

Accepted Answer

They are involved in cell recognition and signaling.

Question 20

Which of the following is TRUE regarding the surface area to volume ratio in cells?

Accepted Answer

A high surface area to volume ratio is important for efficient exchange of materials.

Comprehensive Study Guidance for Biology 1110 Exam 2 (Chapters 6–10)

Study Guide - Practice Questions

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