LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

DIVERSITY AMONG LIFE FORMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What’s a nuclear envelope?
A
Membrane surrounding the nucleus
B
Rigid layer that surrounds plant cells
C
Something you use to mail letters
D
Instructions for the cell’s functions
Explanation: 

Detailed explanation-1: -The nuclear envelope (NE) is a highly regulated membrane barrier that separates the nucleus from the cytoplasm in eukaryotic cells. It contains a large number of different proteins that have been implicated in chromatin organization and gene regulation.

Detailed explanation-2: -The nuclear membrane is a double layer that encloses the cell’s nucleus, where the chromosomes reside. The nuclear membrane serves to separate the chromosomes from the cell’s cytoplasm and other contents.

Detailed explanation-3: -In eukaryotic cells, the nucleus is separated from the cytoplasm and surrounded by a nuclear envelope. This envelope safeguards the DNA contained in the nucleus.

Detailed explanation-4: -The nuclear envelope is also called nuclear membrane, is a double membrane layer that separates the contents of the nucleus from the rest of the cell. It is a barrier that physically protects the cells DNA from the chemical reactions that are occurring elsewhere in the cell.

There is 1 question to complete.