Which plant cell organelle use sun light energy to produce sugar?

Guinea pig coat color is determined by a single gene. the allele for black coat color is dominant to brown. in a cross between twoblack-haired guinea pigs, 20 offspring are born. if both parents were heterozygous, probability would predict that approximately howmany of the 20 offspring would have brown hair?

Which enzymes break down carbohydrates?

What does the positioning of transcription factors determine?