Which of the Following is a Precursor to Vitamin d?
Answer :
A. Arachidonic acid
B. Cholesterol
C. Triacylglycerol
D. Phospholipids
Correct Answer- B. Cholesterol
Vitamin D, though classified as a fat-soluble vitamin, actually acts as a hormone in the body. The skin contains a precursor molecule called 7-dehydrocholesterol, which, when exposed to ultraviolet light, is converted into cholecalciferol—a compound structurally similar to cholesterol.
Also Read- Which of the following is an Enzyme required by the Process of Rephosphorylation, to Create ATP?.
Which environmental factor could lead to a decrease in genetic variation in a population of tuna?
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Which environmental factor could lead to a decrease in genetic variation in a population of tuna?
A. an increase in food availability B. a decrease in tuna fishing C. an increase in pollution D. a decrease in tuna predators Correct Answer: C. an increase in pollution "An increase in pollution" may cause a population of tuna to become less genetically varied.The genetic diversity of the ...
ViewWhich Of These Urinary Hydration Biomarkers Provides The Best Index Of Day to Day Hydration?
A. Plasma volume B. Plasma osmolality C. Urine color D. Urine concentration Correct Answer:- B. Plasma osmolality Explanation: Urine osmolarity (also known as plasma osmolality) is the concentration of solutes in the urine. These osmotic solutes include urea, sodium (Na), potassium ...
ViewWhich of the following is an Enzyme required by the Process of Rephosphorylation, to Create ATP?
A. ATPase B. ADPase C. ATP synthase D. Polymerase Correct Answer: C. ATP synthase Explanation ATP synthase is a crucial enzyme that plays a fundamental role in cellular energy metabolism. This enzyme which catalyzes the synthesis of ATP from ADP and inorganic phosphate during oxidative ...
ViewWhat is the Molar Mass of Cl?
The molecular mass of chlorine, as indicated by the periodic table, is 35.453 amu. Its molar volume is 18.7 cm³/mol. The atomic mass, which is identical to the molar mass, is also 35.453 amu. Chlorine is composed of a single atom, represented by the symbol Cl. Related Questions: Which Statement ...
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