Explain the biological process that enables the roots epidermal cells to do this

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

Describe the primary and secondary immune response in terms of speed and number of antibodies produced?

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment