Which organism is structurally similar to this organism?

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

Will someone me with this.. specialized cells which perform a particular function form: tissues organs or organism

Acquired mutations can result from radiation pollution toxins inheritence select all that apply