Answer:
Dropping in energy levels
Against their concentration gradient
Explanation:
The pair of electrons are passed down a series of electron carriers of progressively lower energy levels through a series of redox reactions in the electron transport chain, releasing energy (electrical potential energy) to be used by H+ pump for the active transport of H+ ions (aka protons) from a region of higher concentration to a region of lower energy level against its concentration gradient.
Answer:Fitting School Into a Busy Schedule. One of the biggest issues that comes up for working adult students is time.
A Lack of Financial Resources.
Fear Of Not Being Cut Out for College.
Explanation:
Answer:
Terrestrial planets are Earth-like planets made up of rocks or metals with a hard surface. Terrestrial planets also have a molten heavy-metal core, few moons and topological features such as valleys, volcanoes and craters.
Explanation:
Is that what your talking about?
The answer is that it is possible .the mother can be ethier AA or Ao and still produce a child with type AB from that father.