The Krebs cycle occurs inside which organelles?

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?

What does the positioning of transcription factors determine?

In order to study genetic mutations, scientists must study genetic material. which statement describes the genetic material scientists are most likely studying? a) they study alleles that contain chromosomes, which are rna. b) they study alleles that contain genes, which are chromosomes. c) they study chromosomes that contain genes, which are dna segments.