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