This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Vitamins and Minerals, Subject name: Biochemistry
Vitamin acting on intranuclear receptors- 
Select and explain. 
A. Vitamin K, B. Vitamin D, C. Vitamin B1, D. Vitamin E
B: Vitamin D
Answer: B: Vitamin D 
Explanation: Mechanism of action of vitamin D resembles group II hormones i.e. it binds with nuclear receptors.