Chitinase is an enzyme that breaks down the chitin molecules in the insect exoskeleton. the sequence of amino acids in the chitinase is an example of which level of protein structure?

Which of the following descriptions of proteins are true? i. proteins can have different sequences of amino acids. ii. proteins can have different shapes. iii. proteins can have different numbers of amino acids. a. only i and ii are true. b. only ii and iii are true. c. only i and iii are true. d. i and ii and iii are all true. e. none are true statements

How can you keep track of variables in a science experiment?

Which identifies the main purpose of biological taxonomy?