Answer:
d) smooth endoplasmic reticulum
Explanation:
Smooth endoplasmic reticulum which is located inside the cytoplasm of an eukaryotic cell is composed of a disklike structure. It role is to integrate lipid production, synthesis of sex hormones e.g steriod hormones. They also produces the oil from the sebaceous glands that are release via the Hair follicles. The main purpose of the oil produced is to put a stop to hair from drying out.