Q: Which equation correctly represents the overall process of cellular respiration?

$$C_6H_{12}O_6$ + 6O_2 \rightarrow 6CO_2 + 6H_2O + \text{energy}$$

Question 1

Which of the following best describes the difference between prokaryotic and eukaryotic cells?

Accepted Answer

Eukaryotic cells contain membrane-bound organelles, while prokaryotic cells do not.

Question 2

A scientist is using a light microscope to observe a cell. If the objective lens is 40x and the ocular lens is 10x, what is the total magnification?

Accepted Answer

$$40 	imes 10 = 400$$

Question 3

Which organelle is responsible for producing ATP through cellular respiration?

Accepted Answer

Mitochondria

Question 4

Which of the following statements about the plasma membrane is TRUE?

Accepted Answer

It is a fluid mosaic of lipids and proteins that controls the movement of substances in and out of the cell.

Question 5

Which cellular structure is found in plant cells but not in animal cells?

Accepted Answer

Cell wall

Question 6

A cell is placed in a hypertonic solution. What will most likely happen to the cell?

Accepted Answer

It will shrink as water leaves the cell.

Question 7

Which process requires energy input from the cell to move molecules against their concentration gradient?

Accepted Answer

Active transport

Question 8

Which of the following is a function of the Golgi apparatus?

Accepted Answer

Modifying, sorting, and packaging proteins for secretion

Question 9

Which equation correctly represents the overall process of cellular respiration?

Accepted Answer

$$C_6H_{12}O_6$ + 6O_2 ightarrow 6CO_2 + 6H_2O + 	ext{energy}$$

Question 10

Which type of cell junction allows the passage of ions and small molecules between adjacent animal cells?

Accepted Answer

Gap junctions

Question 11

Which of the following best explains why enzymes are specific to their substrates?

Accepted Answer

The active site of an enzyme has a unique shape that fits only specific substrates.

Question 12

During which stage of cellular respiration is the majority of ATP produced?

Accepted Answer

Oxidative phosphorylation

Question 13

Which molecule is the final electron acceptor in the electron transport chain of aerobic respiration?

Accepted Answer

Oxygen

Question 14

Which of the following statements about competitive and noncompetitive enzyme inhibitors is correct?

Accepted Answer

Competitive inhibitors bind to the active site, while noncompetitive inhibitors bind elsewhere on the enzyme.

Question 15

Which of the following is NOT a product of the citric acid cycle?

Accepted Answer

Oxygen

Question 16

Which process is responsible for the movement of water across a selectively permeable membrane?

Accepted Answer

Osmosis

Question 17

Which of the following best describes the role of brown fat in mammals?

Accepted Answer

It generates heat by uncoupling oxidative phosphorylation.

Question 18

Which of the following is TRUE about fermentation?

Accepted Answer

It produces less ATP than aerobic respiration.

Question 19

Which of the following is a correct description of the function of lysosomes?

Accepted Answer

They digest and recycle cellular waste.

Question 20

A patient is diagnosed with a genetic disorder that affects the structure of their plasma membrane. Which of the following is most likely to be impaired?

Accepted Answer

Regulation of substances entering and leaving the cell

Study Guide: Cell Structure, Membrane Function, and Cellular Energy (Chapters 4-6, BIOL 1408)

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