LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

DIVERSITY AMONG LIFE FORMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which life forms have no nucleus or membrane bound organelles?
A
Bacteria and archaebacteria
B
protists
C
plants
D
fungi
Explanation: 

Detailed explanation-1: -Prokaryotes are organisms whose cells lack a nucleus and other organelles. Prokaryotes are divided into two distinct groups: the bacteria and the archaea, which scientists believe have unique evolutionary lineages.

Detailed explanation-2: -Archaea and bacterial cells lack organelles or other internal membrane-bound structures. Therefore, unlike eukaryotes, archaea and bacteria do not have a nucleus separating their genetic material from the rest of the cell.

Detailed explanation-3: -The cells that do not contain membrane-bound organelles are known as prokaryotic cells, for example-bacteria, mycoplasma, etc.

Detailed explanation-4: -Bacteria are said to be the best-known prokaryotic organisms. Prokaryotic cells are said to be primitive because they lack a membrane-bound nucleus and other membrane-bound cell organelles.

There is 1 question to complete.