3.6 prokaryotic cells and viruses

Question 1

what are viruses?

Answer 1

acellular, non-living particles

Question 2

how is genetic material stored in eukaryotic cells vs. prokaryotic cells?

Answer 2

eukaryotic:
- distinct nucleus with nuclear envelope
- DNA associated with histones
- DNA is linear

prokaryotic:
- no true nucleus, area of DNA only
- DNA not associated with proteins
- some DNA in plasmids

Question 3

what type of cells are membrane-bounded organelles?

Answer 3

eukaryotic

Question 4

which type of cell have smaller ribosomes?

Answer 4

prokaryotic

Question 5

which type of cell have chloroplasts? where is it present in?

Answer 5

eukaryotic; in plant and algae cells

Question 6

what are eukaryotic cell walls made up of?

Answer 6

cellulose

Question 7

what are prokaryotic cell walls made up of?

Answer 7

murein

Question 8

which type of cells might have capsules?

Answer 8

prokaryotic

Question 9

how are viruses replicated?

Answer 9

1) attachment proteins attach to receptors
2) viral nucleic acid enters cell
3) nucleic acid is replicated in cell
4) cell produces viral proteins/capsid/enzymes
5) virus is assembled & released from cell