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

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

Question 1

Which of the following best describes a dehydration synthesis reaction in the formation of macromolecules?

Accepted Answer

A reaction in which two monomers are joined together by removing a water molecule.

Question 2

Which of the following is NOT a function of carbohydrates in living organisms?

Accepted Answer

Catalyzing chemical reactions

Question 3

A triglyceride is composed of which of the following components?

Accepted Answer

Three fatty acids and one glycerol

Question 4

Which property of phospholipids makes them essential for cell membrane structure?

Accepted Answer

They have both hydrophilic and hydrophobic regions.

Question 5

Which of the following statements about protein structure is correct?

Accepted Answer

The primary structure is determined by the sequence of amino acids.

Question 6

How do the structures of DNA and RNA differ?

Accepted Answer

DNA is usually double-stranded, while RNA is usually single-stranded.

Question 7

Which organelle is responsible for ATP production in eukaryotic cells?

Accepted Answer

Mitochondrion

Question 8

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

Accepted Answer

Chloroplast

Question 9

Which of the following best describes the function of microfilaments in the cytoskeleton?

Accepted Answer

They are involved in cell division and muscle contraction.

Question 10

Which type of cell junction prevents the leakage of extracellular fluid across epithelial cell layers?

Accepted Answer

Tight junctions

Question 11

Which statement about passive transport is correct?

Accepted Answer

It relies on the diffusion of molecules down their concentration gradient.

Question 12

If a cell is placed in a hypertonic solution, what will happen to the cell?

Accepted Answer

It will lose water and shrink.

Question 13

Which process is responsible for the uptake of large particles, such as bacteria, by a cell?

Accepted Answer

Phagocytosis

Question 14

Which law of thermodynamics states that energy cannot be created or destroyed?

Accepted Answer

First law of thermodynamics

Question 15

Which equation correctly represents the overall cellular respiration process?

Accepted Answer

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

Question 16

During which stage of cellular respiration is the greatest amount of ATP produced?

Accepted Answer

Electron transport chain

Question 17

Which of the following statements about enzymes is true?

Accepted Answer

Enzymes speed up reactions by lowering the activation energy.

Question 18

Which molecule acts as the final electron acceptor in the electron transport chain during aerobic respiration?

Accepted Answer

Oxygen

Question 19

Which of the following is a product of lactic acid fermentation?

Accepted Answer

Lactic acid

Question 20

A patient is experiencing muscle fatigue after intense exercise. Which process is most likely responsible for the buildup of lactic acid in their muscles?

Accepted Answer

Lactic acid fermentation

General Biology: Core Concepts and Study Guide

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