Which organ system is affected by the removal of the adrenal gland?

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

Look at the photo of the leaf. which term best describes this leaf?

Idon’t know the answer and i’ve been stuck on it for a while now skskskskks