Movement

Question 1

What is the process called when water moves across a cell membrane?

Answer 1

Osmosis

Question 2

True or False: Active transport requires energy.

Answer 2

True

Question 3

Fill in the blank: The movement of molecules from an area of higher concentration to an area of lower concentration is called _____.

Answer 3

Diffusion

Question 4

What type of transport does not require energy?

Answer 4

Passive transport

Question 5

Which of the following is an example of active transport? A) Osmosis B) Endocytosis C) Diffusion

Answer 5

B) Endocytosis

Question 6

What is the main purpose of osmosis in cells?

Answer 6

To maintain water balance

Question 7

True or False: Diffusion can occur in solids, liquids, and gases.

Answer 7

True

Question 8

What is the term for the movement of large particles into a cell?

Answer 8

Endocytosis

Question 9

Fill in the blank: The process of releasing substances from a cell is called _____.

Answer 9

Exocytosis

Question 10

What does the term ‘concentration gradient’ refer to?

Answer 10

The difference in concentration of a substance across a space

Question 11

Multiple Choice: Which process involves the engulfing of particles by a cell? A) Exocytosis B) Phagocytosis C) Diffusion

Answer 11

B) Phagocytosis

Question 12

What is the role of membrane proteins in cell transport?

Answer 12

They facilitate the movement of substances across the membrane.

Question 13

True or False: Water can pass through the cell membrane easily.

Answer 13

True

Question 14

What is facilitated diffusion?

Answer 14

The process of passive transport of molecules across a membrane via specific proteins.

Question 15

Fill in the blank: The movement of ions against their concentration gradient is known as _____ transport.

Answer 15

Active

Question 16

What happens to a cell in a hypertonic solution?

Answer 16

It shrinks due to water leaving the cell.

Question 17

What is a hypotonic solution?

Answer 17

A solution with a lower concentration of solutes compared to the cell.

Question 18

True or False: Cells can control what enters and exits through the cell membrane.

Answer 18

True

Question 19

What type of molecules can easily pass through the cell membrane?

Answer 19

Small nonpolar molecules

Question 20

Multiple Choice: Which of the following processes is NOT a form of passive transport? A) Diffusion B) Osmosis C) Active transport

Answer 20

C) Active transport

Question 21

What is the main difference between endocytosis and exocytosis?

Answer 21

Endocytosis brings substances into the cell, while exocytosis releases them.

Question 22

Fill in the blank: The movement of water molecules through a selectively permeable membrane is known as _____.

Answer 22

Osmosis

Question 23

True or False: All cells can perform photosynthesis.

Answer 23

False

Question 24

What is the term for a solution with the same concentration as the inside of a cell?

Answer 24

Isotonic solution

Question 25

Fill in the blank: The process by which cells take in liquid from their surroundings is called _____.

Answer 25

Pinocytosis

Question 26

What is the function of the cell membrane?

Answer 26

To protect the cell and regulate what enters and exits.

Question 27

What type of transport requires specific carrier proteins?

Answer 27

Facilitated diffusion

Question 28

True or False: Larger molecules cannot cross the cell membrane without assistance.

Answer 28

True

Question 29

What is the significance of the sodium-potassium pump?

Answer 29

It helps maintain the cell's electrochemical gradient.

Question 30

Fill in the blank: The process of moving substances out of a cell using vesicles is called _____.

Answer 30

Exocytosis

Question 31

What happens to a cell in a hypotonic solution?

Answer 31

It swells due to water entering the cell.

Question 32

What is the primary factor that drives diffusion?

Answer 32

Concentration gradient

Question 33

True or False: Cells can only perform one type of transport at a time.

Answer 33

False