Ch.4 Vocab Flashcards
(14 cards)
What is osmosis?
The diffusion of water through a semipermeable membrane.
True or False
Diffusion is the movement of particles from higher to lower regions of density.
True
The movement of substances across a cell membrane without the use of energy.
Passive Transport
Endocytosis is the process by which a cell membrane surrounds a particle and encloses the particle in a vesicle to bring the particle into the cell.
True or False
True
What is active transport
Active transport is the movement of substances across the cell membrane the requires energy.
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.
The process by which plants, algae and some bacteria use sunlight, carbon dioxide and water to make food.
Photosynthesis
Cellular respiration
The process by which use oxygen to produce energy from food.
Fermentation
The breakdown of food without the use of oxygen
The life cycle of a cell
Cell cycle
In a eukaryotic cell one of the structures in the nucleus that are made up of DNA and protein
Chromosome
Homologous chromosomes
Chromosomes that have the same sequence of genes and the same structure
In eukaryotic cells a process of cell division that forms two new nuclei
Mitosis
The division of the cytoplasm of a cell
Cytokinesis
