The response of a plant to touch is
a. photoperiodism.
b. phototropism.
c. gravitropism.
d. thigmotropism.

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

Predict the results of a two base insertion or deletion in a strand of dna that codes for a protien, how does this differ from a three base insertion or deletion?

Human genes only differ by less than percent. a. 1 b. 6 c. 11 d. 16