Which endocrine organ is controlled by both hormonal and neural communications?

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

Can a trait be both polygenic and have multiple alleles? explain why or why not.

Which statement best describes the first stage of cellular respiration? check all that apply