
1st Semester Review #3
Flashcard
•
Biology
•
8th Grade
•
Practice Problem
•
Hard
Wayground Content
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15 questions
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1.
FLASHCARD QUESTION
Front
What is diffusion?
Back
Diffusion is the passive transport of molecules from an area of higher concentration to an area of lower concentration.
2.
FLASHCARD QUESTION
Front
What is active transport?
Back
Active transport is the process of moving molecules across a cell membrane using energy, often against their concentration gradient.
3.
FLASHCARD QUESTION
Front
What does hypertonic mean?
Back
Hypertonic refers to a solution that has a higher concentration of solute compared to another solution.
4.
FLASHCARD QUESTION
Front
What is a nucleotide?
Back
A nucleotide is the monomer of nucleic acids, consisting of a sugar, a phosphate group, and a nitrogenous base.
5.
FLASHCARD QUESTION
Front
What is evaporation?
Back
Evaporation is the process by which water changes from a liquid to a gas, often occurring from the ocean to the atmosphere.
6.
FLASHCARD QUESTION
Front
What is osmosis?
Back
Osmosis is the passive transport of water molecules through a selectively permeable membrane from an area of lower solute concentration to an area of higher solute concentration.
7.
FLASHCARD QUESTION
Front
What is phagocytosis?
Back
Phagocytosis is a type of active transport where a cell engulfs solid particles, often referred to as 'cell eating'.
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