Answer:
680
Explanation:
When the P680 special pair of photosystem II absorbs energy, it enters an excited (high-energy) state. Excited P680 is a good electron donor and can transfer its excited electron to the primary electron acceptor, pheophytin.
Answer:
Explanation:
Stars about the size of our sun go through the same first four stages as does any other star. 1. They begin their lives as a nebula, 2. then become a Protostar, 3. eventually becoming a main sequence star 4. and finally a red giant. 5. but the more mass a star has the shorter its life.
hope this helped if it did I'm trying to rank up so brainliest is much appreciated. if I did get it wrong please tell me.
I just finished to test, and I chose choice A, which is correct.
Yes calcium ion channels open and cause the neurotransmitters to move as well
Answer:
a
Explanation:
i think it's a i'm not sure
