GENERAL HISTOLOGY

EPITHELIUM

CILIA

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Prokaryotic and eukaryotic cells generally have which of the following in common?
A
a membrane-bound nucleus
B
a cell wall made of cellulose
C
ribosomes
D
flagella or cilia that contain microtubules
E
linear chromosomes made of DNA and protein
Explanation: 

Detailed explanation-1: -B) Ribosomes are the common feature present in prokaryotic and eukaryotic cells. Prokaryotic cell do not have nucleus whereas eukaryotic cells have a membrane-bound nucleus.

Detailed explanation-2: -Eukaryotic and prokaryotic cells both use deoxyribonucleic acid (DNA) as the basis for their genetic information. This genetic material is needed to regulate and inform cell function through the creation of RNA by transcription, followed by the generation of proteins through translation.

Detailed explanation-3: -Key Points. All prokaryotes have 70S (where S=Svedberg units) ribosomes while eukaryotes contain larger 80S ribosomes in their cytosol. The 70S ribosome is made up of a 50S and 30S subunits.

Detailed explanation-4: -In prokaryotes, the ribosomes are of 70S type and smaller compared to the 80S type found in the eukaryotes.

There is 1 question to complete.