What is the chord in a circle located

Are substances released into the environment that in excess amounts cause damage

Which of the following is a cause of a dna mutation? o a. the linking of amino acid subunits into a long chain o b. the transcription of dna into rna o c. an error in the repair of damaged dna d. the diffusion of molecules across the cell membrane submit

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.