Question 1

Which of the following best describes the anatomical position?

Accepted Answer

Standing upright, arms at sides, palms facing forward, feet together

Question 2

A patient is experiencing a fever. Which type of feedback loop is most likely responsible for returning their body temperature to normal?

Accepted Answer

Negative feedback loop

Question 3

Which organ system is responsible for producing hormones that regulate metabolism, growth, and reproduction?

Accepted Answer

Endocrine system

Question 4

The pancreas is unique because it functions as part of which two organ systems?

Accepted Answer

Digestive and endocrine systems

Question 5

Which of the following best describes the relationship between the cranial and vertebral cavities?

Accepted Answer

Both are sub-cavities of the dorsal body cavity

Question 6

A concentration gradient exists when:

Accepted Answer

There is a difference in the concentration of a substance between two regions

Question 7

Which serous membrane directly covers the lungs?

Accepted Answer

Visceral pleura

Question 8

If a solution has a pH of 4, what is the concentration of hydrogen ions $$[H^+]$$ compared to a solution with pH 7?

Accepted Answer

It is $$10^3$$ times higher

Question 9

Which chemical bond involves the sharing of electrons between atoms?

Accepted Answer

Covalent bond

Question 10

Which of the following is an example of a catabolic reaction?

Accepted Answer

The breakdown of glucose during cellular respiration

Question 11

Which factor will increase the rate of a chemical reaction according to the collision theory?

Accepted Answer

Increasing temperature

Question 12

Which macromolecule is formed by dehydration synthesis between two monosaccharides?

Accepted Answer

Disaccharide

Question 13

Which of the following statements about saturated and unsaturated fatty acids is correct?

Accepted Answer

Saturated fatty acids have no double bonds between carbon atoms

Question 14

Which component of the plasma membrane is primarily responsible for its fluidity and flexibility?

Accepted Answer

Cholesterol

Question 15

A cell placed in a hypotonic solution will:

Accepted Answer

Swell as water enters the cell

Question 16

Which organelle is responsible for producing ATP through cellular respiration?

Accepted Answer

Mitochondria

Question 17

Which of the following is NOT part of the endomembrane system?

Accepted Answer

Mitochondria

Question 18

How many pairs of homologous chromosomes are found in a typical human somatic cell?

Accepted Answer

23 pairs

Question 19

During protein synthesis, which molecule carries the amino acid to the ribosome?

Accepted Answer

tRNA

Question 20

A DNA triplet code $$	ext{ATG}$$ corresponds to which mRNA codon during transcription?

Accepted Answer

$$	ext{AUG}$$

BIO 109 Study Guide: Introduction to Anatomy & Physiology, Chemistry of Life, and The Cell

Study Guide - Practice Questions