<span>Answer: Smooth Endoplasmic Reticulum
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Answer:a. A cataract is a clouding of the lens. Some cataracts are congenital, but most are due to age-related hardening and thickening of the lens, diabetes mellitus, or exposure to UV rays over time. The lens can be removed and replaced
with an artificial lens.
Explanation:
C. Synthesis of enzymes for the cell
Sodium
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