The disease that is caused by a deficiency of niacin is:
A. Scurvy
B. Rickets
C. Pellagra
D. Beriberi
Answer: Option C
Solution (By JKExamLibrary)
Pellagra, with the 3 Ds (dermatitis, diarrhea, dementia), is due to deficiency of niacin (vitamin B₃) or tryptophan. Beriberi is B₁, scurvy C, rickets D. Niacin is part of NAD and NADP.
Explanation:
Prophase is the first stage of mitosis where chromatin condenses into visible chromosomes, the nucleolus fades, and the mitotic spindle begins to form. In metaphase chromosomes align, in telophase they decondense and the nucleolus reappears. Interphase is not a mitotic phase.
Explanation:
Glyoxysomes are specialized peroxisomes in oil-storing seeds that contain glyoxylate cycle enzymes, converting lipids to carbohydrates during germination.
Explanation:
The urinary bladder is a muscular sac that temporarily stores urine received from the kidneys via the ureters, until micturition. The urethra drains urine to the exterior.
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