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Devin Branstner Chapter 4 Vocab
Devin Branstner Chapter 4 Vocab
17
Science
8th Grade
10/16/2015

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Term
Osmosis
Definition
the diffusion of water through the cell membrane
Term
Diffusion
Definition
the movement of particles from an area where their concentration is high to an area where their concentration is low
Term
Passive Transport
Definition
the diffusion of particles through the proteins
Term
Active Transport
Definition
the movement of particles through proteins against the normal direction of diffusion
Term
endocytosis
Definition
the cell membrane surrounds a particle and encloses it in a vesicle
Term
photosynthesis
Definition
plants are able to collect light energy from the sun and change it to food
Term
cellular respiration
Definition
one way to break down food molecules by using oxygen
Term
fermentation
Definition
one way to break down food molecules by not using energy
Term
cell cycle
Definition
the cycle of a cell
Term
chromosomes
Definition
the DNA of cell a cell is organized into structures
Term
binary fission
Definition
splitting into two parts
Term
homologus chromosomes
Definition
pairs made up of chromosomes with similar information
Term
chromatids
Definition
the name of teo coppied chromatids
Term
centremere
Definition
when chromatids twist and coil and condense into an x shape
Term
mitosis
Definition
this ensures that each new cell receives
Term
cytokinesis
Definition
two indentical cells that re also indentical to the orginal cell formed
Term
exocytosis
Definition
when vesicles are formed at the endoplasmic or Golgi Complex and carry the particlesto the cell membrane
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