Ch. 4 Vocab Flashcards Preview

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Flashcards in Ch. 4 Vocab Deck (14)
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1
Q

Osmosis

A

The diffusion of water though a semipermeable membrane

2
Q

Passive transport

A

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

3
Q

Active transport

A

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

4
Q

Endocytosis

A

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

5
Q

Exocytosis

A

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

6
Q

Photosynthesis

A

The process by which plants, algae, and some Bactria use sunlight, carbon dioxide, and water to make food

7
Q

Cellular respiration

A

The process by which cells use oxygen to produce energy from food

8
Q

Fermentation

A

The breakdown of food without the use of oxygen

9
Q

Cell cycle

A

The life cycle of a cell

10
Q

Chromosome

A

In a eukaryotic cell, one of the structures in the nucleus that are made up of DNA and protein

11
Q

Homologous chromosomes

A

Chromosomes that have the same sequence of genes and the same structure

12
Q

Mitosis

A

In eukaryotic cells, a process of cell division that forms two

13
Q

Diffusion

A

The movement of particles from regions of higher density to regions of lower density

14
Q

Cytokinesis

A

The division of the cytoplasm of a cell