KEY WORDS Flashcards
1
Q
What is active transport?
A
The movement of a substance from a dilute solution to a more concentrated solution against a concentration gradient, requiring energy from respiration.
2
Q
What is algae?
A
A simple aquatic organism (Protista) that make their own food by photosynthesis.
3
Q
What are alveoli?
A
Tiny air sacs in the lungs that increase the surface area for gaseous exchange.
4
Q
What are bacteria?
A
Single-felled prokaryotic organisms.
5
Q
What is the cell membrane?
A
The membrane around the contents of the cell that controls what moves in and out of the cell.
