LAB Quiz 2

Question 1

Which of the following is a selectively permeable barrier that is found in all cells?

ribosomes

plasma membrane

cytoplasm

nucleus

Answer 1

plasma membrane

Question 2

Movement of water, from an area of high to an area of low concentration, across a differentially permeable membrane.

facilitated diffusion

osmosis

active transport

simple diffusion

Answer 2

osmosis

Question 3

When molecules move down their concentration gradient (from high to low) until equilibrium is achieved and do not require a membrane.

active transport

simple diffusion

facilitated diffusion

osmosis

Answer 3

simple diffusion

Question 4

brings specific molecules into the cell and is selective and much more efficient … IS WHAT?

Answer 4

receptor-mediated endocytosis

Question 5

brings droplets of extracellular fluid into the cell… IS WHAT?

Answer 5

pinocytosis

Question 6

brings food particles into the cell

Answer 6

phagocytosis

Question 7

Passive transport is spontaneous, while active transport is not spontaneous.

True

False

Answer 7

True

Question 8

an atom or molecule with a positive charge

Answer 8

Cation

Question 9

a charged atom or molecule

Answer 9

Ion

Question 10

An atom or molecule with a negative charge

Answer 10

Anion

Question 11

When molecules or ions move against their concentration gradient and requires a transport protein

Facilitated diffusion

Osmosis

Active Transport

Simple Diffusion

Answer 11

Active Transport