In photosynthesis, what gives energy to the electron moving through the electron transport chain?

Which of the following are energy solutions that release pollution into the air>

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

Dna. we have heard that we are a product of our dna. but where is it? how do we "get" our dna? it is passed to us, from our parents, but in what form? several vocabulary words associated with inheritance are used interchangeably and sometimes, incorrectly. let's see if you can clear this up for someone just learning about inheritance and cell structure.