ch 4 and 6

cell theory

all living things are composed of cells and all cells come from earlier cells
the region between the nucleus and plasma membrane is the

cytoplasm
only plant cells have
only animal cells have
- chloroplasts
- lysosomes
phospholipids have
- a negatively charged head
- two nonpolar fatty acid tails
fluid mosaic

fluid because molecules can move freely past one another
plant cell walls are made of

cellulose
the nucleus is separated from the cytoplasm by a double membrane called

the nuclear envelope
the components of ribosomes are made in the

nucleoulus
the endomembrane system in a cell consists of
- the nuclear envelope
- endoplasmic reticulum
- the golgi apparatus
- lysosomes
- vacuoles
purpose of golgi apparatus

receives, refines, stores, and distributes chemical products of the cell
lysosome is a

membrane enclosed sac of digestive enzymes found in animal cells
vacuoles

are large sacs made of membrane that bud of from ER or golgi apparatus
mitochondria

produces atp from the energy of food molecules

Author

BigShrimp67

323260

Card Set

ch 4 and 6

Description

biology

Updated

2016-09-16T15:29:28Z

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