What is the significance of embryonic studies in understanding the evolutionary stages of turtles?

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

Disaccharides include what sugar molecules. true or false?

Where would an earthquakes epicenter be in this diagram