Active Transport

Flashcard
•
Biology
•
9th Grade
•
Easy
Kathleen Schulze
Used 1+ times
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15 questions
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1.
FLASHCARD QUESTION
Front
What is active transport?
Back
Active transport is the process by which cells use energy to move substances across the cell membrane against their concentration gradient.
2.
FLASHCARD QUESTION
Front
What are the three types of active transport?
Back
1. Sodium/potassium pump 2. Endocytosis 3. Exocytosis
3.
FLASHCARD QUESTION
Front
What is required for active transport to occur?
Back
Energy is required to move materials across the cell membrane during active transport.
4.
FLASHCARD QUESTION
Front
What is the sodium/potassium pump?
Back
The sodium/potassium pump is a type of active transport that moves sodium ions out of the cell and potassium ions into the cell, using energy.
5.
FLASHCARD QUESTION
Front
What is endocytosis?
Back
Endocytosis is the process by which cells engulf substances from the outside environment, bringing them into the cell.
6.
FLASHCARD QUESTION
Front
What is exocytosis?
Back
Exocytosis is the process by which cells expel materials to the outside environment, often using vesicles.
7.
FLASHCARD QUESTION
Front
What is the difference between active transport and passive transport?
Back
Active transport requires energy to move substances against their concentration gradient, while passive transport does not require energy and moves substances along their concentration gradient.
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