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Flashcards in chapter 3 vocab Deck (11)
1

chromosome

in a eukaryotic cell, one of the structures in the nucleus that are made of
DNA and protein; in a prokaryotic cell, the main ring of DNA

2

homoguolus chromosome

chromosomes that have the same sequence of gene and the same structure.

3

mitosis

in eukaryotic cells, a process of cell division that forms two new nuclei, each of which has the same number of chromosomes.

4

cytokinesis

the division of the cytoplasm of a cell.

5

diffusion

the movement of particles from regions of higher density to regions of lower Density.

6

osmosis

the diffusion of water through a semipermeable membrane.

7

endocytosis

the process by which a cell membrane surrounds a particle and encloses the particle in a vesicle to bring the particle into the cell.

8

active transport

the movement of substances across the cell membrane that requires the cell to use energy.

9

passive transport

the movement of substances across a cell membrqne without the use of energy by the cell.

10

exocytosis

the process in which a cell releases a particle by enclosing the particle in a vesicle that then moves to the cell surface and fuses with the cell membrane.

11

cell cycle

the life cycle of a cell.