Q: Which equation describes the movement of water during osmosis?

$$\text{Water moves from an area of low solute concentration to high solute concentration}$$

Q: Which equation best represents the concentration gradient for passive transport?

$$\text{[High] \rightarrow [Low]}$$

Question 1

Which type of transport is illustrated in the first image, where molecules move directly across the lipid bilayer from an area of high concentration to low concentration?

Accepted Answer

Simple diffusion

Question 2

In the process shown in the second image, vesicles form to bring substances into the cell. What is the name of this transport mechanism?

Accepted Answer

Endocytosis

Question 3

The third image shows a cell using coat proteins to bring in specific molecules. What is this specialized form of endocytosis called?

Accepted Answer

Receptor-mediated endocytosis

Question 4

Which type of transport is depicted in the fourth image, where molecules move through a channel protein from high to low concentration?

Accepted Answer

Facilitated diffusion

Question 5

The fifth image shows water molecules moving through a specific channel protein. What is the name of this protein?

Accepted Answer

Aquaporin

Question 6

In the sixth image, the concentration of solute is higher inside the cell than outside. What type of solution is this?

Accepted Answer

Hypotonic

Question 7

The seventh image shows equal concentrations of solute inside and outside the cell. What type of solution is this?

Accepted Answer

Isotonic

Question 8

In the eighth image, the concentration of solute is higher outside the cell than inside. What type of solution is this?

Accepted Answer

Hypertonic

Question 9

A red blood cell placed in a hypertonic solution will undergo which process?

Accepted Answer

Shrinking (crenation)

Question 10

The sodium-potassium pump shown in the tenth image moves sodium and potassium ions against their concentration gradients. Which equation best represents the energy requirement for this process?

Accepted Answer

$$\Delta G \u003e 0$$

Question 11

Which molecule is required for the sodium-potassium pump to function, as shown in the tenth image?

Accepted Answer

ATP

Question 12

The process shown in the eleventh image, where vesicles release their contents outside the cell, is called:

Accepted Answer

Exocytosis

Question 13

Which of the following is NOT a type of passive transport?

Accepted Answer

Sodium-potassium pump

Question 14

Which equation describes the movement of water during osmosis?

Accepted Answer

$$	ext{Water moves from an area of low solute concentration to high solute concentration}$$

Question 15

Which type of transport requires energy input from the cell?

Accepted Answer

Active transport

Question 16

Filtration is a passive transport process driven by which force?

Accepted Answer

Hydrostatic pressure

Question 17

Which scenario best illustrates facilitated diffusion?

Accepted Answer

Glucose moving through a carrier protein from high to low concentration

Question 18

Which of the following is a real-life example of filtration in the human body?

Accepted Answer

Blood filtration in the kidneys

Question 19

Which equation best represents the concentration gradient for passive transport?

Accepted Answer

$$	ext{[High] ightarrow [Low]}$$

Question 20

Which type of transport is used by cells to engulf large particles, such as bacteria?

Accepted Answer

Phagocytosis

Cell Transport Mechanisms: Anatomy & Physiology Study Guide

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