$$\text{DNA} \xrightarrow{\text{transcription}} \text{RNA} \xrightarrow{\text{translation}} \text{Protein}$$

Question 1

A patient is experiencing a rapid increase in blood clotting after a vessel injury. This is an example of which type of feedback mechanism?

Accepted Answer

Positive feedback

Question 2

Which of the following best describes the function of the mitochondria in a cell?

Accepted Answer

Generates ATP, the main energy source for the cell

Question 3

Which of the following is NOT a discipline of anatomy?

Accepted Answer

Physiology

Question 4

A solution of blood is best classified as which of the following?

Accepted Answer

Suspension

Question 5

Which of the following statements about water is correct?

Accepted Answer

Water's high heat of vaporization makes sweating an efficient cooling mechanism.

Question 6

Which of the following best describes a buffer?

Accepted Answer

A substance that minimizes changes in pH by absorbing or releasing H$$^+$$ ions

Question 7

Which of the following is the most abundant membrane lipid in the plasma membrane?

Accepted Answer

Phospholipids

Question 8

Which of the following best describes the difference between microvilli and cilia?

Accepted Answer

Microvilli increase surface area for absorption, while cilia move substances across the cell surface.

Question 9

Which of the following is a characteristic of a polar covalent bond?

Accepted Answer

Electrons are shared unequally between atoms.

Question 10

Which of the following is an example of an anabolic reaction?

Accepted Answer

Synthesis of proteins from amino acids

Question 11

Which of the following best describes the function of a gap junction?

Accepted Answer

Allows communication between adjacent cells via small molecules and ions

Question 12

Which of the following is a correct example of a monosaccharide?

Accepted Answer

Glucose

Question 13

Which of the following best describes the central dogma of molecular biology?

Accepted Answer

$$	ext{DNA} \xrightarrow{	ext{transcription}} 	ext{RNA} \xrightarrow{	ext{translation}} 	ext{Protein}$$

Question 14

Which of the following is a characteristic of the serous membranes (serosa) of the body?

Accepted Answer

They are double-layered membranes with a parietal and visceral layer.

Question 15

Which of the following best describes facilitated diffusion?

Accepted Answer

Movement of substances across a membrane via protein channels, down their concentration gradient, without energy input

Question 16

Which of the following is true regarding the difference between symport and antiport systems?

Accepted Answer

Symport moves two substances in the same direction; antiport moves them in opposite directions.

Question 17

Which of the following is NOT a necessary life function?

Accepted Answer

Photosynthesis

Question 18

A scientist observes a cell engulfing a bacterium by extending its plasma membrane around the particle. This process is best described as:

Accepted Answer

Phagocytosis

BIOL 2113 Lecture Study Guide: Human Body Orientation, Chemistry, Cells, and Tissues

Study Guide - Practice Questions