When yeast cells are O₂ starved, fermentation serves as the source of energy. This results in the production of :

Energy is stored in liver and muscles in the form of :

Which one of the following statements regarding starch and cellulose is not correct?

Which one of the following is a rich source of iron?

Which of the following gives maximum energy in metabolic processes?

Which of the following elements are present in all proteins? 1. Carbon 2. Hydrogen 3. Oxygen 4. Nitrogen