वह पिरिमिडीन क्षारक जो RNA में मौजूद होता है लेकिन DNA में नहीं, निम्नलिखित में से कौन सा है?

Which of the following can be classified as polysaccharides?

Glucose is a fundamental unit of carbohydrate present in our food and serves as a primary source of energy for living organisms. How many carbon atoms does a molecule of glucose have?

A potent vasodilating compound (histamine) is produced by the decarboxylation of which amino acid?