During transcription, enzymes bind to a molecule of dna.
then, the enzymes unwind and separate the dna's double helical strands. as the molecule unwinds, complementary nucleotides pair with one of the dna strands to form

Which of the following is true of metabolism in its entirety in all organisms? a) metabolism depends on a constant supply of energy from food. b) metabolism uses all of an organism's resources. c) metabolism consists of all the energy transformation reactions in an organism. d) metabolism manages the increase of entropy in an organism.

Animals have a variety of adaptations,including trachea and gills, which allow this key process to occur. which provides the molecules necessary for cellular respiration and efficient atp synthesis?

Many birth-control pills release a constant amount of synthetic estradiols and progesterone for 21 days. true or false