A) nerve cell
B) cardiac muscle
C) red muscle
D) cartilage
Correct Answer: A
Solution :
Lipofucsin granules are found in nerve cells. Their amount increases with age. These are made up of residual bodies derided from lysosomes. Cardiac muscle fibres have dark intercalated discs at intervals. Cardiac muscle fibres are supplied with both central and autonomic nervous system and are not under the control of will. The ground substance of cartilage consists essentially of water, proteoglycons (protein and carbohydrate) some lipid, collagen and non collagenous protein. The core protein is aggrecon.
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