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Cells
Vocabulary for the unit on cells.
26
Science
8th Grade
07/16/2024

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Term
cell
Definition
the smallest unit of a living things.
Term
cellular respiration
Definition
the process by which food is changed into energy.
Term
photosynthesis
Definition
the process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy.
Term
regeneration
Definition
is the act of regrowing something
Term
mitosis
Definition
the process of cell duplication or reproduction.
Term
chromosomes
Definition
structure found in the nucleus that contains genetic or DNA information.
Term
permeability
Definition
measures the ability to let materials pass through.
Term
selectively permeable
Definition
some substances are allowed to pass through, while others are not able to pass through.
Term
permeable
Definition
allows substances to pass through it
Term
impermeable
Definition
not allowing fluids to pass through
Term
diffusion
Definition
the movement of molecules from an area of high concentration to an area of lower concentration.
Term
osmosis
Definition
the process of molecules passing through a selectively permeable membrane from an area of low concentration to an area of higher concentration.
Term
unicellular
Definition
consisting of a single cell.
Term
organelles
Definition
a structure inside the cell that has a specific function.
Term
cell membrane
Definition
the part of the cell that can be described as a thick rigid surrounding.
Term
cell wall
Definition
the part of the cell that can be described thick rigid structure that surrounds the plant, fungi, and bacteria cells.
Term
chloroplast
Definition
the organelle in most plant cells that conducts photosynthesis
Term
cytoplasm
Definition
the jelly-like liquid that fills the inside of the cell.
Term
cilia
Definition
a series of hair-like protrusions on the outside of a cell.
Term
nucleus
Definition
the part of the cell that contains the genetic information.
Term
vacuoles
Definition
act as storage structures for the cell.
Term
lysosomes
Definition
the part of the cell that cleans the garbage.
Term
mitochondrion
Definition
this is the part of the cell where energy is produced.
Term
flagella
Definition
long tail-like structure outside the cell that is used for movement.
Term
magnification
Definition
the enlarging of a specimen using lenses.
Term
occular lens
Definition
the lens you look through to view the specimen.
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