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Science Ch # 1-3

Mrs. Hacker science

QuestionAnswer
cell in biology the smallest unit that can preform all life processes cells are covered by a membrane abd have DNA and cytoplasm
cell membrane a phosphlipid layer that covers a cell's surface acts as a barrier between the inside of a cell enviorment
organelle one of the small bodies in a cell's cytoplasm that are specialized to preform a specific funtion
nucleus in a eukaryotic cell a membrane-bound organelle that cintains the cell's DNA and that has a role in processes such as growth metabolism and reproduction
prokarytoe an organism that consists of a single cel that does not have a nucleus
eukaryotes an organism made up of cells that have a nucleus enclosed by a membrane eukaryotes include animals plants and fungi but not archaebacteria and eubacteria
cell wall a rigid structure thats surrounds the cell membrane and provides support to the cell
ribosome cell organelle composed of RNA and protien he site of protien synthesis
endoplasmic riticulum a system of membrane thats is found in a cell's cytoplasm and that assists in the production processing and transport of protiens and in the prouction of lipids
miochondria in eukaryotic cells, the cell organelle that is surrounded by two membranes and that is the site of celluar respiration
golig complex cell organelle that helps make and package meterials yo be transported out of the cell
vesicle a small cavity or sac that contains materials in a eukaryotic cell
lysosome a cell organelle that contains digestive enzymes
tissue a group of similar cells that preform a common function
organ a collection of tissues that carrie out a specilized function of the body
organ system a group of organs that work together to preform body functions
organisms a living thing anything that can carry out life processes independently
structure the arrangment of parts in an organisms
function the special normal or proper activity of an organ or part
Created by: Jess Thull
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