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S7 Organelles

Science 7 Organelles

TermDefinition
organelle a tiny cell structure inside a cell
cell wall the rigid supporting layer that surrounds plant cells
function of the cell wall to protect and support the cell
cell membrane a thin, flexible barrier that surrounds a cell
function of the cell membrane to control which substances pass into and out of a cell
cytoplasm a clear gel-like fluid that fills most of the cell
function of the cytoplasm to hold all of the cell's organelles
nucleus a large oval organelle that controls the genetic material of the cell
function of the nucleus to control the cell's activities
endoplasmic reticulum (ER) an organelle with a network of membranes that process many substances like proteins and lipids
function of the ER to help make proteins and other substances
ribosome a small round organelle in the ER and in the cytoplasm
function of ribosomes to produce proteins needed by the cell
golgi apparatus an organelle that looks like flattened sacs and tubes and functions as a warehouse for the cell
function of the golgi apparatus to receive proteins, package them, and distribute them to other parts of the cell or outside the cell
mitochondria a small rod-like structure that is the powerhouse of the cell
function of the mitochondria to convert energy from food into energy the cell can use
chloroplast a green organelle in plant cells that captures energy from sunlight and changes it into energy cells can use
function of chloroplasts to make food, in the form of sugar, for the cell to use
lysosome a small round organelle that contains substances to break down large particles into smaller ones
function of lysosomes to break down food into smaller parts, to recycle old cell parts
vacuole an organelle that consists of a water-filled sac floating in the cytoplasm
function of a vacuole to store water, food, waste, or other materials needed by the cell
vacuoles in plants vs. animals they are much larger in plants
Created by: mrdavis190
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