Question 1

Which of the following best describes the process of dehydration synthesis in the formation of biological macromolecules?

Accepted Answer

It joins monomers together by removing a water molecule.

Question 2

A scientist is studying a cell and observes a double-layered structure composed mainly of phospholipids. What is the primary function of this structure?

Accepted Answer

It regulates the movement of substances into and out of the cell.

Question 3

Which of the following is NOT considered a characteristic of living things?

Accepted Answer

Ability to undergo mitosis

Question 4

A patient presents with a deficiency in melanin production. Which of the following is most likely to occur as a result?

Accepted Answer

Reduced protection against ultraviolet (UV) radiation

Question 5

Which equation correctly represents the hydrolysis of a disaccharide into two monosaccharides?

Accepted Answer

$C_{12}H_{22}O_{11} + H_{2}O \rightarrow 2C_{6}H_{12}O_{6}$

Question 6

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

Accepted Answer

Production of ATP through cellular respiration

Question 7

A student is asked to identify the main cavities of the upper torso. Which of the following is NOT one of these cavities?

Accepted Answer

Abdominal cavity

Question 8

Which of the following statements about acids and bases is correct?

Accepted Answer

Bases decrease the concentration of $H^+$ ions in solution.

Question 9

Which of the following is a correct description of a tissue?

Accepted Answer

A group of similar cells that perform a specific function

Question 10

Which of the following best explains the difference between cytoplasm and cytosol?

Accepted Answer

Cytoplasm includes all cellular contents outside the nucleus, while cytosol is the fluid portion within the cytoplasm.

Question 11

A mutation causes a cell to lack ribosomes. Which cellular process would be most directly affected?

Accepted Answer

Protein synthesis

Question 12

Which of the following is a function of the skin's appendages?

Accepted Answer

Production of sweat for thermoregulation

Question 13

Which of the following best describes an isotope?

Accepted Answer

An atom with a different number of neutrons

Question 14

Which of the following is a monomer of proteins?

Accepted Answer

Amino acid

Question 15

A person suffers a severe burn that destroys the epidermis and part of the dermis. Which layer of the skin is most likely to remain intact?

Accepted Answer

Hypodermis

Question 16

Which of the following best describes the role of the phospholipid bilayer in the cell membrane?

Accepted Answer

It acts as a selective barrier, controlling the movement of substances.

Question 17

Which of the following is a correct statement about the anatomical position?

Accepted Answer

The body is standing upright, facing forward, with arms at the sides and palms facing forward.

Question 18

Which of the following is a primary function of epithelial tissue?

Accepted Answer

Protection and secretion

Question 19

Which of the following best describes the function of melanin in the skin?

Accepted Answer

It protects underlying tissues from UV radiation.

Question 20

A cell is observed to have a large number of lysosomes. Which function is this cell most likely specialized for?

Accepted Answer

Intracellular digestion and breakdown of waste

Anatomy and Physiology: Study Guide Notes (Chapters 1–5)

Study Guide - Practice Questions

Study Guide - Flashcards