Ion
9
BASIC CONCEPTS
Higher concentration
of ions
Lower concentration
of ions
Energy
Carrier protein
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
Name
Date
Active Transport
Class
Master
Basic Concepts
Use with Chapter 8, Section 8.1
TRANSPARENCY MASTER 9 BIOLOGY: The Dynamics of Life
19
Name
Date
Class
Basic Concepts
Worksheet
9
Active Transport
Use with Chapter 8, Section 8.1
1. Which type of transport protein is involved in active transport?
2. Describe the concentration gradient shown in the transparency.
3. Why must cells use energy to move particles from a region of lower concentration to a
region of higher concentration?
4. Describe the process of active transport.
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.
5. What is the source of the energy used in active transport?
6. How does endocytosis differ from the process shown in the transparency?
7. Why is endocytosis considered a type of active transport?
8. What process of active transport is the reverse of endocytosis? Explain
20
TRANSPARENCY WORKSHEET 9 BIOLOGY: The Dynamics of Life
BASIC CONCEPTS