ch 3 the cell life's basic building block

Question 1

cytology

Answer 1

study of cells

Question 2

every living thing has cells but not all living things have the same kind of

Answer 2

cells

Question 3

eukaryotes like humans (and all other organisms besides bacteria and viruses) have

Answer 3

eukaryotic cells
* each of which has a defined nucleus that controls and directs the cell’s activities
* and cytosol fluid material found in the gel-like cytoplasm that fills most of the cell

Question 4

plant cells have what kind of cell walls

Answer 4

fibrous cell walls

Question 5

animal cells have what kind of cell membrane

Answer 5

a plasma membrane or the plasmalemma

Question 6

because human cells don’t have cell walls they look like

Answer 6

gel-filled sacs with nuclei and tiny parts called organelles nestled inside when viewed through an electron microscope