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

$$\text{(C}_6\text{H}_{10}\text{O}_5\text{)}_n + n\text{H}_2\text{O} \rightarrow n\text{C}_6\text{H}_{12}\text{O}_6$$

Question 1

Which element is the key component of all organic compounds found in living organisms?

Accepted Answer

Carbon

Question 2

Which of the following correctly matches a biological macromolecule with its monomer and primary function?

Accepted Answer

Nucleic acid: Monomer is nucleotide; function is genetic information storage

Question 3

A patient is diagnosed with a disorder affecting their mitochondria. Which cellular process is most likely impaired?

Accepted Answer

Cellular respiration

Question 4

Which organelle is primarily responsible for packaging and modifying proteins for secretion?

Accepted Answer

Golgi apparatus

Question 5

During cell division, which stage is characterized by the alignment of chromosomes along the cell's equator?

Accepted Answer

Metaphase

Question 6

Which equation best represents the process of cellular respiration occurring in mitochondria?

Accepted Answer

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

Question 7

Which organelle contains hydrolytic enzymes and is responsible for breaking down cellular waste?

Accepted Answer

Lysosome

Question 8

A neuron differs structurally from a muscle cell primarily because it contains:

Accepted Answer

Extended axons and dendrites for signal transmission

Question 9

Which of the following best describes the function of the smooth endoplasmic reticulum (SER) in a liver cell?

Accepted Answer

Lipid and steroid synthesis

Question 10

If a cell lacked ribosomes, which process would be directly affected?

Accepted Answer

Protein synthesis

Question 11

Which structure regulates the movement of substances into and out of the cell?

Accepted Answer

Cell (plasma) membrane

Question 12

Which of the following is a correct pairing of macromolecule and its function?

Accepted Answer

Proteins: Catalyze biochemical reactions

Question 13

A cell is observed to have abundant rough endoplasmic reticulum (RER). What is its likely function?

Accepted Answer

Synthesis of proteins for export

Question 14

Which of the following best describes the difference between epithelial cells and neurons?

Accepted Answer

Epithelial cells have cilia for movement, while neurons have axons for signal transmission

Question 15

Which stage of cell division is characterized by the separation of sister chromatids toward opposite poles?

Accepted Answer

Anaphase

Question 16

Which of the following is a polymer formed from amino acid monomers?

Accepted Answer

Protein

Question 17

A muscle cell requires rapid energy production. Which organelle would be most abundant in this cell?

Accepted Answer

Mitochondrion

Question 18

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

Accepted Answer

Breakdown of fatty acids and detoxification of hydrogen peroxide

Question 19

Which equation represents the hydrolysis of a polysaccharide into its monomer units?

Accepted Answer

$$	ext{(C}_6	ext{H}_{10}	ext{O}_5	ext{)}_n + n	ext{H}_2	ext{O} ightarrow n	ext{C}_6	ext{H}_{12}	ext{O}_6$$

Question 20

A cell is observed to have a flagellum. What is the most likely function of this structure?

Accepted Answer

Movement of the cell

Anatomy & Physiology: The Cell and Its Components – Guided Study

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