bio ch 4
mitochondria
organelles that carry out cellular respiration in nearly all eukaryotic cells
ribosomes
tiny structures that make protein
what do the rough endoplasmic reticulum, Golgi apparatus, and lysosomes have in common?
They are constructed of interrelated membranes
Microfilaments
a 3d netowork that supports the cells shape
nuclear envelope
a double membrane enclosing the nucleus
cytoskeleton
a network of protein fibers in the cytoplasm
centricoles
a structure in an animal cell composed of cylinders of microtubule triplets arranged in a 9+0 pattern
cell theory
all living things are composed of cells and that all cells come from other cells and that they are the basic units of life
microtubles
are straight, hollow tubes called tubulins
peroxisomes
breakdown fatty acids
nucleoulus
manufactures ribosomes
the internal skeleton of a cell is composed of
microtubules, intermediate filaments, and microfilaments
which cell structure is responsible for metabolism?
mitochondrion
golgi body
modifies,labels and ships products to other organelles
Most of the DNA in a eukaryotic cell is in the _____
nucleous
chloroplasts are found in
plant cells and some protists
chromatin
proteins and DNA in the nucleus
of the following organelles, which group is involved in manufacturing the substances needed by the cell?
ribosome,smooth er and rough er
vacuoles
small storage units for monomers,food and water
where is calcium stored?
smooth ER
smooth ER
synthesizes lipids for membranes
rough ER
synthesizes proteins and either enters organelle or get secreted
intermediate filaments
various fibrous proteins that coil into cables