A) Lysosomes are double membraned vesicles budded off from Golgi apparatus and contain digestive enzymes
B) Endoplasmic reticulum consists of a network of membranous tubules and helps in transport, synthesis and secretion
C) Leucoplasts are bound by two membranes, lack pigment but contain their own DNA and protein synthesizing machinery
D) Â Sphacrosomes are single membrane bound and are associated with synthesis and storage of lipids
Correct Answer: A
Solution :
Double membranes are absent in lysosomes. They are enclosed by single lipoproteinaceous unit membrane. Lysosome is called suicidal bag of the cell due to presence of hydrolytic enzymes.
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