Viruses and bacteria

Question 1

give the general structure of virus (5)

Answer 1

RNA
Attachment proteins
capsid
matrix
lipid envelope

Question 2

give general structure of prokaryotic cells (5)

Answer 2

70s ribosome
circular DNA (not associated with histones)
cytoplasm
cell surface membrane
cell wall made of murein

Question 3

structures that are sometimes present in prokaryotic cells (4)

Answer 3

flagellum
pili
plasmids
capsule

Question 4

what are differences between animal cell and bacteria cell in size

Answer 4

bacteria cell much smaller (5μm) whereas eukaryotic are 100 μm

Question 5

What are plasmids

Answer 5

Small loops of DNA separate from the main circular DNA molecule

Question 6

What is the slime capsule

Answer 6

Protects bacteria from drying out and immune system cells

Question 7

What is the flagellum

Answer 7

Long hair like structure that rotates enabling the cell to move

Question 8

what are differences between animal cell and bacteria cell in terms of the Genome

Answer 8

Euk is associated with histones
Pro is not associated

Question 9

what are differences between animal cell and bacteria cell in terms of cell division

Answer 9

Pro occurs by binary fission
No spindle involved

Question 10

what are differences between animal cell and bacteria cell in terms of ribosomes

Answer 10

Euk have 80s ribosomes
Pro have 70s ribosomes

Question 11

what are differences between plant cell and bacteria cell in terms of cell wall

Answer 11

Pro made of murein
Euk made of cellulose
Fungi made of chitin

Question 12

Are viruses living

Answer 12

Nope

Question 13

Do prokaryotes have DNA or RNA

Answer 13

DNA

Question 14

Do viruses have DNA or RNA

Answer 14

RNA