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CHAFIN-Life Sc. #4

QuestionAnswer
All living things are made of one or more cells
cells the basic unit of function and structure in living things
All cells come from other living things
cell wall a stiff structure outside the cell membrane in a plant
cellulose a cell wall in a plant is made of
cell membrane controls what substances go in and out of a cell
food and water enters through the cell membrane
leaves through the cell membrane waste
nucleus the control center of the cell
the nucleus directs all the activities of the cell
nuclear membrane protects the nucleus
prokaryotes do not have a nucleus
eukaryotes have a nucleus
chromatin and chromosomes genetic material in the nucleus that directs functions of the cells
nucleolus make ribosomes
vacuoles large round water-filled sacs
plants wilt when vacuole has no water
plant cells usually have one big vacuole
lysosomes breaks down large food particles into smaller ones and recycles old cell parts
cytoplasm jelly-like substance that make up all living material in a cell except for the nucleus
organelles tiny parts of a cell that have a special form and function
keeps harsh chemicals from escaping and breaking down cell lysomes
found bewtween cell membrane and the nucleus cytoplasm
builds and transports materials in a cell organelles
mitochondria provides energy in the cell
the powerhouse of the cell mitochondria
mitochondria many found in muscle cells
endoplasmic reticulum a maze of pathways that carry protein
carries materials from one part of the cell to another endoplasmic reticulum
ribosomes small grain-like bodies attached to the endoplasmic reticulum
produces proteins ribosomes
golgi bodies flattened sections of sacs and tubes
receives proteins from the endoplasmic reticulum golgi bodies
golgi bodies packages new materials and distributes it to other parts of the cell
chloroplasts capture energy from the sun and gives plants their green color
produces food for cells chloroplasts
Created by: cmchafin
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