EVERYDAY SCIENCE

SCIENCE

CELL BIOLOGY

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which type of cell has a true membrane-bound nucleus?
A
eukaryotic
B
prokaryotic
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Eukaryotic cells have a true nucleus, which means the cell’s DNA is surrounded by a membrane. Therefore, the nucleus houses the cell’s DNA and directs the synthesis of proteins and ribosomes, the cellular organelles responsible for protein synthesis.

Detailed explanation-2: -A eukaryotic cell is a cell that has a membrane-bound nucleus and other membrane-bound compartments or sacs, called organelles, which have specialized functions. The word eukaryotic means “true kernel” or “true nucleus, ” alluding to the presence of the membrane-bound nucleus in these cells.

Detailed explanation-3: -In eukaryotic cells, the organelles, including the nucleus, are bound by a membrane. This means that, similar to how the cell as a whole is surrounded by a membrane, different organelles can have different microenvironments suited to their function.

Detailed explanation-4: -In prokaryotes, the DNA (chromosome) is in contact with the cellular cytoplasm and is not in a housed membrane-bound nucleus. In eukaryotes, however, the DNA takes the form of compact chromosomes separated from the rest of the cell by a nuclear membrane (also called a nuclear envelope).

Detailed explanation-5: -If the cell nucleus is covered by a distinctive membrane, these cells are called eukaryotic cells.

There is 1 question to complete.