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EOC B2-2

QuestionAnswer
Cell theory all living things are made of cells; basic structure of living things; cells come from others cells
simplest form of life cell
Unicellular organism 1 cell; all lifes activities occur in that cell
Multicellular organism each cell carries most of the functions of life
Nucleus holds chromosomes made of DNA; controls the cell
Mitochondria site of cellular respiration supplies energy to the cell
Chloroplasts in plant cells have green pigment call chlorophyll which absorbs energy from the sun convert it to carbon dioxide through photosynthesis
Lysosomes have chemicals called enzymes wish digest bad things in cell
Vacuoles store water and food bigger in plant cells
Ribosomes site of protein synthesis found in cyotplasm
Endoplasmic reticuluim transports materials through cell, rough er ribosomes on surface; Smooth er- no ribosomes
Homeostasis maintaining constant or stable conditions
Passive transport substances move across a membrane without using energy ex. Diffusion osmosis and facilitated diffusion
Diffusion spreading molecules across a membrane evenly
Concentration gradient molecules move from an area of higher concentration to lower concentration
Osmosis diffusion of water across a membrane
Created by: dabears
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