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Cells

Chapter 2

TermDefinition
microorganism An organism that is microscopic to the unaided eye
microbe Another term for a microscopic organism
unicellular Singled-celled organisms
binary fission A type of asexual reproduction in which the organism divides in two
conjugation A process in which organisms fuse, or attach themselves to each other, and exchange some of their genetic information
budding A form of reproduction
cell A cell is a basic unit of life and the smallest part of a living thing that is capable of life
tissue A group of similar cells that work together to perform the same function
organ A group of two or more types of tissue that work together to carry out one specific function
organ system A group of organs working together
passive transport The movement of substances through membrane without the use of the cell's energy
osmosis The movement of water particles through a membrane
cellular respiration Cells break down glucose to release energy
active transport Energy is required to move materials through a cell membrane
cell cycle An ongoing process of growth, division, and replacement
mitosis Cells divide, and each new cell gets a full set of chromosomes
zygote Two cells join to form a single cell
meiosis The nucleus of a cell divides twice
fertilization A sperm cell joins an egg cell
Created by: spencer.dodson
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