Q: Which equation correctly represents the conversion of glucose to pyruvate during glycolysis?

$$\text{C}_6\text{H}_{12}\text{O}_6 \rightarrow 2\text{C}_3\text{H}_4\text{O}_3$$

Question 1

Which of the following best describes the function of the plasma membrane in animal cells?

Accepted Answer

It regulates the movement of substances using phospholipids.

Question 2

A scientist observes two closely positioned bacteria under a microscope and is able to distinguish them as separate entities. Which property of the microscope is most responsible for this observation?

Accepted Answer

Resolution

Question 3

Which organelle is responsible for breaking down fatty acids and detoxifying harmful compounds, producing hydrogen peroxide as a by-product?

Accepted Answer

Peroxisome

Question 4

In a scenario where a cell is placed in a solution with a lower concentration of solute than inside the cell, what type of environment is the cell experiencing?

Accepted Answer

Hypotonic

Question 5

Which of the following statements about glycolysis is correct?

Accepted Answer

Glycolysis is the breakdown of sugar.

Question 6

During cellular respiration, which molecule acts as the final electron acceptor and what is it reduced to?

Accepted Answer

Oxygen; Water

Question 7

Which of the following best describes the process of phosphorylation?

Accepted Answer

The addition of a phosphate group to ADP to form ATP

Question 8

A muscle cell in a human body is deprived of oxygen and begins to produce lactate. Which process is occurring?

Accepted Answer

Lactic acid fermentation

Question 9

Which of the following is true regarding the location of glycolysis and the citric acid cycle in eukaryotic cells?

Accepted Answer

Glycolysis occurs in the cytoplasm; citric acid cycle occurs in the mitochondria.

Question 10

Which of the following best describes the relationship between reduction and oxidation in biological systems?

Accepted Answer

Reduction and oxidation always occur together in redox reactions.

Question 11

A cell is exposed to a solution with a higher concentration of solute outside than inside. What will happen to the cell?

Accepted Answer

The cell will shrink due to water efflux.

Question 12

Which of the following is a major step in cellular respiration that produces metabolites for energy?

Accepted Answer

The Citric Acid Cycle

Question 13

Which organelle is responsible for photosynthesis in plants and algae?

Accepted Answer

Chloroplast

Question 14

Which of the following best describes the function of integrins?

Accepted Answer

They transmit signals between the extracellular matrix and the intracellular space.

Question 15

Which of the following statements about enzymes is correct?

Accepted Answer

Enzymes lower the activation energy of a reaction.

Question 16

Which equation correctly represents the conversion of glucose to pyruvate during glycolysis?

Accepted Answer

$$	ext{C}_6	ext{H}_{12}	ext{O}_6 ightarrow 2	ext{C}_3	ext{H}_4	ext{O}_3$$

Question 17

Which of the following best describes the measure of disorder or randomness in a system?

Accepted Answer

Entropy

Question 18

Which of the following statements about cell junctions is correct?

Accepted Answer

Tight junctions prevent leakage of fluids, while gap junctions allow small molecules to flow through.

Question 19

Which of the following is true about the potential energy in endergonic and exergonic reactions?

Accepted Answer

The potential energy of reactants is higher in an exergonic reaction, while the potential energy of products is higher in an endergonic reaction.

Question 20

Which of the following best describes the structure of chloroplasts?

Accepted Answer

Chloroplasts are comprised of thylakoids stacked in interconnected sacs called grana.

General Biology Quiz 2 Study Guide: Cell Structure, Membranes, and Metabolism

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