y is the enzyme that catalyses the hydrolysis of sucrose into glucose and fructose. What is enzyme y?

Which of these is one of the nitrogenous bases in dna? a. proline b. leucine c. glycine d. thymine

The smallest biological units that can evolve are

Which of the following statements accurately defines epidermis? a. a thick protein fiber composed of the protein collagen b. hard, dense bone tissue found on the outer surface of a bone c. single layer of epithelial cells and the underlying basal lamina d. outer, protective layer of the skin composed of stratified squamous keratinized epithelial tissue