E+ P CELLS

Question 1

What is the plasma membrane?

Answer 1

lipid bilayer

Question 2

what is the function of the plasma membrane?

Answer 2

encloses all cells

separates from environment

Question 3

what does the plasma membrane contain?

Answer 3

selective channels -control import and export of substances

Question 4

what characteristics are present in all cells?

Answer 4

plasma membrane 
DNA
genetic code
RNA
ribosomes

Question 5

why are all cells thought to be derived from a single primordial cell?

Answer 5

resemblance among living cells
common cell components
evidence from fossils

Question 6

what is the structure of prokaryotes?

Answer 6

simple structure
small
basic shapes -spherical, rod, spiral

Question 7

what are characteristics of prokaryotes?

Answer 7

replicate very quickly
peptidoglycan cell wall
DNA, RNA in cytoplasm
divide by binary fission 
wide range of substances used as food
aerobic/anaerobic metabolism 
horizontal gene transfer

Question 8

what characteristics do all bacteria have?

Answer 8

plasma membrane
cytoplasm
70s ribosome
nuclear region containing DNA

Question 9

what characteristics may some bacteria have?

Answer 9

pilus 
capsule cell wall
inclusions
plasmid
flagella
fimbriae

Question 10

what characteristics do eukaryotic cells have?

Answer 10

nucleus containing DNA
membrane bound organelles
entensive internal membrane
cytoskeleton