The Cell Flashcards
0
Q
A cell has three parts:
A
1) plasma membrane
2) cytoplasm
3) nucleus
1
Q
Define cell
A
The basic living, structural unit of the body
2
Q
Which part of the cell is composed of lipid bilayer and membrane proteins?
A
Plasma membrane
3
Q
Which part of the cell contains cytosol and organelles?
A
Cytoplasm
4
Q
Which part of the cell contains most of the cell’s genes, located on chromosomes?
A
Nucleus
5
Q
Define passive process.
A
A substance moves down its concentration or electrical gradient to cross the membrane using only its own kinetic energy.
6
Q
Define active process.
A
Cellular energy is used to drive the substance against its concentration or electrical gradient.
