* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Download Unit 2 Vocabulary:
Survey
Document related concepts
Cell nucleus wikipedia , lookup
Biochemical switches in the cell cycle wikipedia , lookup
Extracellular matrix wikipedia , lookup
Cell encapsulation wikipedia , lookup
Signal transduction wikipedia , lookup
Programmed cell death wikipedia , lookup
Cell culture wikipedia , lookup
Cellular differentiation wikipedia , lookup
Cell membrane wikipedia , lookup
Cell growth wikipedia , lookup
Endomembrane system wikipedia , lookup
Organ-on-a-chip wikipedia , lookup
Transcript
Unit 2 Vocabulary: Life A. organism A complete living thing – something that is made of cell(s) and carries on all life processes A. stimulus Something in the environment that causes a response or behavior A. cell A. growth The basic unit of life in an organism – the smallest structure that can carry on life processes A life process that is mostly due to an increase in the number of cells A. biotic An organism that is carrying on all life processes A. abiotic Something that was never living A. dormant A living organism that is in a suspended state, like a seed. B. metabolism The sum of all chemical process or changes that occur in an organism B. digestion The process by which food is broken down into simple substances B. excretion The process of eliminating waste from a cell, an organ or an organism B. respiration The process by which cells release energy from food molecules for cell activities B. asexual reproduction A form of reproduction in cells and some simple organisms requiring only one parent B. zygote A cell that is composed of a male and female sex cell – the very start of life A form of reproduction that involves the joining of a male and female sex cell The ability of a cell or organism to maintain an internal balanced state B. sexual reproduction C. homeostasis C. diffusion C. osmosis C. selectively permeable membrane The movement of molecules from an area of high concentration to an area of low concentration The diffusion of water across a cell membrane A cell membrane that only permits certain molecules to enter or leave the cell