Prokaryotes cell vs Eukaryote cell

Question 1

Compare the years prokaryote & eukaryote evolved.

Answer 1

Prokaryote: Evolved 3.5 billion years ago
Eukaryote: Evolved 1.5 billion years ago

Question 2

Compare the diameter of prokaryote and eukaryote cell.

Answer 2

Prokaryote: 1-5 micrometer
Eukaryote: up to 40 micrometer

Question 3

Compare the DNA in the prokaryote and eukaryote cell.

Answer 3

Prokaryote: DNA is circular; free in the cytoplasm; not surround by double membrane.(not defined nuclues)
Eukaryote: DNA is not circular; inside a nucleus; nucleus surround by nuclear envelope.(distinct nucleus)

Question 4

Compare the size of ribosome in prokaryote and eukaryote cell.

Answer 4

Prokaryote: 70S ribosome
Eukaryote: 80S ribosome

Question 5

Compare types of cell present in prokaryote and eukaryote cell.

Answer 5

Prokaryote: Very few types of cell organelle are present; No seperate membrane bound organelle are present.
Eukaryote: Many types of cell organelle are present; Some surround by a single membrane, envelope of two membranes and no membrane at all.

Question 6

Compare the cell wall in prokaryote and eukaryote cell.

Answer 6

Prokaryote: Always present; made out of peptidoglycan.
Eukaryote: sometimes present in plants and fungi; made out of cellulose or lignin in plants or chitin in fungi.

Question 7

Compare the nitrogen fixation in prokaryote and eukaryote cell.

Answer 7

Prokaryote: Some carry out nitogen fixation.
Eukaryote: None carries out nitrogen fixation.

Question 8

Compare the cell division in prokaryote and eukaryote cell.

Answer 8

Prokaryote: Binary fission; doesn’t involve a spindle.
Eukaryote: Mitosis/Meiosis; involves a spindle.

Question 9

Compare the flagella in prokaryote and eukaryote cell.

Answer 9

Prokaryote: Simple and lack of microtubule; project outside the cell membrane.
Eukaryote: Complex with ‘9+2’ arrangement of microtubule; surrounded by the cell surface membrane.