What special structures are needed for green plants? a. chloroplasts and chlorophyll b. stems and roots c. cotyledon and embryo d. flowers and spores

Why was the sample heated in step 5? describe the chemical principles involved in the reasoning behind this step?

This is the amino acid cysteine. circle the amine group, put a box aroundthe carboxylic acid group and use a different colored pencil/pen to circle the sidechain (r group). h o | ||nh2— c- c-oh | ch2 | sh

If assuming tasting ptc as a simple gene trait, what other genotype would you select to put in this missing genotype box that could result in this phenotype