Which statement is false? a. the number of double bonds in a fatty acid affects its melting point. b. naturally occurring fatty acids usually have an even number of carbons. c. wax esters contain long chain fatty acids and long chain alcohols. d. triacylglycerols are polar due to their ester functional groups.

Pls me i need this ! each cell has genes activated depending on it's job and what kind of cell it is. it is the presence of that causes the repressor protein to fall off and unblock the gene on the lac operon. if a gene is turned on then it is being an additional circular chromosome found in some bacteria that is used in genetic engineering.