Which one is the basic element of organic compounds _________________?
A. Oxygen B. Hydrogen C. Sulphur D. Carbon
A. Oxygen B. Hydrogen C. Sulphur D. Carbon
A. CO2 B. Water C. Lipids D. HCI
A. Monovalent B. Divalent C. Trivalent D. Tetravalent
A. Ionic as well as non ionic substance in aqueous media retains their identity B. Enzymes can not perform catalysis reaction in this medium C. Ions and molecules move randomly thus are in a more favorable state to react with other molecules and ions D. It is less favorable media for chemical reactions
A. Monosaccharide B. Oligosaccharide C. Polysaccharide D. None of these
A. They are conjugated molecules of carbohydrates B. Both have role in the extra cellular matrix of animals and bacterial cell wall C. They are components of biological membranes. D. Both are produced and secreted by the endoplasmic reticulum