D. Density increases is the correct answer!
You could use a line graph. Hope that helps.
Zoom in on pic so I can answer for you
Answer:
Release of electrons from reducing powers to O2 via four protein complexes allows release of small amount of energy at each step and makes the process energy efficient.
Explanation:
If NADH and FADH2 would reduce O2 directly, a large amount of energy would have been released in a single step. On the other hand, oxidation of these reducing powers through a series of electron carrier release a small amount of energy at each step which in turn is temporarily stored in form of proton motive force across the inner mitochondrial membrane.
Transfer of a pair of the electron to O2 pumps four protons by complex I, four by complex III and two by complex IV. The resultant proton motive force effectively stores the energy of electron transfer. This energy is then used to drive ATP synthesis.
ANSWER: ECDYSONE
EXPLANATION: Ecdysone is produced and released from the prothoracic gland located at the prothorax of the insects, which act mainly to stimulates molting or ecdysis (i.e ex-sheating of old cuticle) in insects.
Moreover, the release of ecdysone to trigger molting and metamorphosis, is stimulated by PTTH .
Furthermore, in cases where juvenile hormone is absent, an insect will still metamorphose into the adult form.
