write 5 differences between prokaryotic and eukaryotic cells.. Correct answer will be marked as brainliest
Answers
prokaryotic cell - 1. size of a cell is generally small ( 1-10 mm)
2. nucleus is absent.
3. it contains single chromosome .
4. nucleous is absent
5. membrane bound cell organelles are absent .
eukaryotic cell- 1. size of a cell is generally large ( 5-100mm )
2. nucleus is present.
3. it contain more than one chromosome .
4. membrane bound cell organelles such as mitochondria, plastid ,endoplasmic reticulum,
Golgi apparatus
5. nucelous is
Answer:
Explanation:
prokaryotic cell
*Cell is usually small(0.1-2.0mm).
*Cell is bounded by a cell wall which possesses muramic acid.
*An organised nucleus is absent instead a nucleoid is found.
*DNA is naked that is without an association with histones. DNA is usually circular.
*The amount of DNA remains the same throughout the life cycle.
*Transcription and translation occur in the cytoplasm.
*Cell oranganelles like ER ,mitochondria ,Golgi apparatus ,lysosomes and centrioles(centrosome,central apparatus) are absent.
*Ribosomes are of 70S type.
eukaryotic cell
*The cell is comparatively large(10-100nm).
*cell may or may not possess cell wall.Animal cells lack cell wall while those of plants and fungi have cell wall.Plant cell walls are cellulosic whereas fungi cell walls are chitinous.
*An organised nucleus is present. It is differentiated into nuclear envelope,chromatin and nucleoplasm.
*Nuclear DNA is associated with histone proteins.Nuclear DNA is linear while extra nuclear DNA is circular.
*The amount of DNA shows a regular alternation between diploid and hapolid stages.
*Transcription occurs in the nucleus while translation takes place in the cytoplasm.
*ER,Mitochondria,Golgi apparatus,Lysosomes or their equivalents are present in all the eukaryotic cells. Centrioles are usually present in animal cells.
*Ribosomes are of 80S type