2.6 Prokaryotic and Eukaryotic cells

Question 1

Compare the nucleus of prokaryotes and eukaryotes.

Answer 1

Pk - not present

Ek- present

Question 2

Compare the DNA shape of prokaryotes and eukaryotes

Answer 2

Pk - circular

Ek - linear

Question 3

Compare the DNA organisation of prokaryotes and eukaryotes

Answer 3

Pk - proteins fold and condense DNA

Ek - associates with proteins called histones

Question 4

Compare extra chromosomal DNA of Pk and Ek

Answer 4

Pk - circular DNA called plasmids

Ek - only in some organelles - chloroplasts and mitochondria

Question 5

Compare the organelles of PK and EK

Answer 5

Pk - not membrane-bound

EK - membrane + non membrane bound

Question 6

Compare the cell wall material of PK and EK

Answer 6

Pk - peptidoglycan / murein

Ek - cellulose in plants

Question 7

Compare the ribosome sizes of Pk and Ek

Answer 7

Pk - 70S

Ek - 80S

Question 8

Compare the cytoskeleton of EK and PK

Answer 8

Pk - present

Ek - present but more complex

Question 9

Compare the reproduction between Pk and Ek

Answer 9

Pk - binary fission

Ek - asexual or sexual

Question 10

Compare the cell type between Pk and Ek

Answer 10

Pk - unicellular

Ek - unicellular or multicellular

Question 11

Compare the plasma membrane of Pk and Ek

Answer 11

Pk - present

Ek - present