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Cell Structure and Form

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rough ER
ER with ribosomes attached to its surface
hydrophobic
tails of phospholipids that done like water
hydrophilic
water loving heads of phospholipids
cytoskeleton
made of micro tubules and microfilaments to give support to cells
pores
openings in the nuclear membrane
cell theory
idea that all living things are made of cells
lysosomes
digest worn out cell parts and food
existing cells
what new cells for from
cell wall
made of cellulose and surrounds the outside of plant cells
eukaryotes
cells with true nucleus
Golgi complex
system of flattened sacs that modify and package proteins
ATP
energy molecule made inside of mitochondria
fluid mosaic
model of the plasma membrane
integral
proteins embedded in the plasma membrane
cytosol
fluid that makes up cytoplasm
shape
this determines the function of a cell
cilia
short hair like structures made of microtubules that help move cells
plastid
contain pigments in plants
nucleolus
organelle inside the nucleus that makes ribosomes
organ system
made of organs working together to do a similar job such as digestive
peripheral
proteins attached to only one side of the plasma membrane
nucleoid
region in bacteria where their chromosomes is located
cell volume
this grows faster than the surface of a cell forcing them to divide
centrioles
present in animal cells to aid in cell division
ER
system of membranes and tubes connecting the nuclear membrane and plasma membrane
mitochondrion
site of cellular respiration in cells
central vacuole
the largest organelle in plant cells containing the cell sap
ribosomes
made of rRna and protein and where proteins were made
hooke
used a simple light microscope to draw cork from plants
prokaryotes
cells like bacteria without a nucleus or membrane bound organelles
tissue
made of similar cells working together to do a job such as muscle
cytoplasm
all the organelles and fluid between the nucleus and plasma membrane
phospholipids
a double layer of these molecules makes up the plasma membrane
cell
smallest unit of life
organelle
cell structures that perform specific functions for the cell
Leeuwenhoek
first person to see and draw living cells
DNA
genetic material found inside the nucleus of a cell
free ribosomes
unattached ribosomes in the cytosol
flagella
long whip like structures found on some cells to help them move
chromatid
uncoiled chromosomes in the nucleus of non dividing cells
multicellular
organisms made of more than one cell working together
chromosomes
structures in the nucleus made of DNA and proteins
homeostasis
a constant interval environment maintained by cells
nucleus
control center of eukaryotic cells
plasma membrane
surrounds the outside of all cells
archaea
domain containing ancient bacterial forms
vesicles
smalls sacs containing cell products that can be transported in the cell
nuclear envelope
double layer surrounding the nucleus
smooth ER
ER that makes cholesterol and helps detoxify poisons