Question
Biology Question on Cell: the unit of life
Which of the following organelles has single membrane?
A
mitochondria
B
spherosomes
C
nucleus
D
cell wall.
Answer
spherosomes
Explanation
Solution
The spherosomes are, spherical bodies, about 0.5-1 pm wide and enclosed by a single unit membrane. They contain granular contents rich in lipids but also have some proteins. They occur in most plant cells but are abundant in the endosperm cells of oil seeds. Spherosomes, arise from the endoplasmic reticulum.