How are microfilaments and microtubules similar? a. they are similar in diameter and length. b. both undergo dynamic shifts between assembly and disassembly. c. both use a single protein monomer during polymerization. d. both are involved in flagellar locomotion. e. both are sensitive to mutations in the protein, tubulin?

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

Environmental differences within ecosystems are generally caused by

Explain the significance of the increased cell specialization of the volvocine line