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Lesson 7 OMM vocabulary
organisms from macro to micro vocabulary about cells
19
Science
6th Grade
04/08/2014

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Term
cell membrane
Definition
the thin layer of protein and fat that surrounds a cell. it is semi-permeable.
Term
cell wall
Definition
thick, rigid membrane surrounding a plant cell. gives the cell support and structure.
Term
chlorophyll
Definition
the pigment inside chloroplasts that makes photosynthesis take place.
Term
chloroplast
Definition
disc shaped organelle that has chlorophyll in it. photosynthesis takes place in these chloroplasts.
Term
cytoplasm
Definition
the jellylike material outside the nucleus where organelles are located.
Term
DNA
Definition
Term
endoplasmic reticulum (ER)
Definition
system of interconnected membranes in sacs in the cytoplasm.
Term
eukaryotic
Definition
Term
golgi body
Definition
flattened layered sac-like organelle near the nucleus. it packages lysosomes.
Term
lysosome
Definition
spherical organelles surrounded by a membrane that digest cell nutrients.
Term
mitochondrion
Definition
rod shaped organelles with a double membrane. they convert energy into "ATP" for the cell.
Term
nucleolus
Definition
an organelle in the nucleus. produces ribisomal DNA.
Term
nucleus
Definition
spherical body containing many organelles.
Term
organelle
Definition
a "mini organ". the organ like structures in a cell.
Term
photosynthesis
Definition
the process in which a plant turns sunlight into energy using the pigment chlorophyll, found in chloroplasts.
Term
prokaryotic
Definition
Term
ribisome
Definition
small organelles that are the places where protein synthesis takes place.
Term
semi-permeable
Definition
allowing some substances to pass through and blocking others.
Term
vacuole
Definition
fluid filled membrane surrounded cavities in a cell. fill with food being digested and waste products on the way out of the cell.
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