Chpt. 4 Vocab Flashcards
What is Osmosis
The diffusion of water through a semipermeable membrane
What is Diffusion
The movement of particles from regions of higher density to lower density.
What is Passive transport
The movement of substances across a cell membrane without the use of energy
What is Active transport
The movement of substances across a cell membrane that requires the cell use of energy
What is 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
What is 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
What is photosynthesis
The process which plants, algae, and some bacteria use sunlight, carbon dioxide, and water to make food
What is Cellular respiration
The process by which cells use oxygen to produce energy from food
What is Fermentation
The breakdown of food without the use of oxygen
What is Cell cycle
The life cycle of a cell
What is Chromosome
In a eukaryotic cell, one of the structures in the nucleus that are made up of DNA and protein
What is Homologous chromosomes
Chromosomes that have the same sequence of genes and the same structure
What is Mitosis
In eukaryotic cells, a process of cell division that forms two new nuclei, each of which has the same number of chromosomes
