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Ch. 3 The Cell
Amerman- Human Anatomy & Physiology 3e
Amerman3rd EditionHuman Anatomy & PhysiologyISBN: 9780138247201, 9780138247928, 9780138201814Not the one you use?Change textbook
All textbooksAmerman 3rd EditionCh. 3 The CellProblem 7
Chapter 3, Problem 7

Match the term with its appropriate definition. 
Osmosis    
Secondary active transport    
Exocytosis    
Phagocytosis    
Simple diffusion    
Primary active transport    
Pinocytosis    
Facilitated diffusion
a. Type of endocytosis in which a large particle is ingested
b. Transport across the plasma membrane against the concentration gradient via direct use of energy from ATP
c. Passive movement of solute across the plasma membrane
d. Movement of solvent from a solution of lower solute concentration to a solution of higher solute concentration
e. Passive movement of solute across the plasma membrane via a channel or carrier protein
f. Type of endocytosis in which ECF is brought into the cell in a protein-coated pit
g. Release of large substances from the cell through a vesicle
h. Transport of a substance across the plasma membrane against its concentration gradient using the energy from the 'downhill' movement of another substance

Verified step by step guidance
1
Step 1: Understand the definitions provided in the problem. Each term corresponds to a specific physiological process, and the definitions describe the mechanisms or characteristics of these processes.
Step 2: Match 'Osmosis' with its definition. Osmosis refers to the movement of solvent (usually water) from a region of lower solute concentration to a region of higher solute concentration. This matches definition (d).
Step 3: Match 'Secondary active transport' with its definition. This process involves the transport of a substance against its concentration gradient using the energy derived from the 'downhill' movement of another substance. This matches definition (h).
Step 4: Match 'Exocytosis' with its definition. Exocytosis is the release of large substances from the cell through a vesicle. This matches definition (g).
Step 5: Continue matching the remaining terms (Phagocytosis, Simple diffusion, Primary active transport, Pinocytosis, Facilitated diffusion) with their respective definitions by carefully analyzing the descriptions provided and identifying the correct physiological process for each.

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Key Concepts

Here are the essential concepts you must grasp in order to answer the question correctly.

Osmosis

Osmosis is the passive movement of water molecules through a selectively permeable membrane from a region of lower solute concentration to a region of higher solute concentration. This process is crucial for maintaining cellular homeostasis and regulating the internal environment of cells. It occurs without the expenditure of energy and is driven by the concentration gradient of solutes.
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Osmosis

Active Transport

Active transport refers to the movement of molecules across a cell membrane against their concentration gradient, which requires energy, typically derived from ATP. This process is essential for maintaining concentration differences of ions and nutrients inside and outside the cell, allowing cells to uptake necessary substances even when they are in lower concentrations outside.
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Active Transport

Endocytosis and Exocytosis

Endocytosis and exocytosis are processes by which cells transport large molecules or particles across the plasma membrane. Endocytosis involves the engulfing of substances into the cell, while exocytosis is the release of substances from the cell. These mechanisms are vital for cellular communication, nutrient uptake, and waste removal, allowing cells to interact with their environment effectively.
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Related Practice
Textbook Question

Explain how the members of the endomembrane system interact.

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Textbook Question

Mark the following statements about the plasma membrane as true or false. If a statement is false, correct it to make a true statement.

Membrane proteins often function as channels or carriers.

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Textbook Question

Match the following terms with the correct functions.

Peroxisome     

Ribosome     

Smooth endoplasmic reticulum     

Mitochondrion     

Golgi apparatus     

Lysosome     

Rough endoplasmic reticulum     

Vesicle

a. Modifies and folds proteins into the correct structure

b. Modifies, packages, and sorts proteins

c. Contains digestive enzymes

d. Granular organelle that makes proteins

e. Synthesizes most of a cell’s ATP

f. Contains enzymes that oxidize toxins and fatty acids

g. Membrane-enclosed structure used to transport substances through the cell

h. Detoxifies certain chemicals, makes lipids, stores calcium ions

Textbook Question

Mark the following statements about the plasma membrane as true or false. If a statement is false, correct it to make a true statement.

The overall structure of the plasma membrane is a mosaic with the components locked tightly in place.

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Textbook Question

A hypotonic solution will cause water to move ________the cell, and the cell will ______.

A hypertonic solution will cause water to move ______the cell, and the cell will ________.

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Textbook Question

What is the primary difference between active transport processes and passive transport processes?

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