Len was alone, in a strange place, in a new situation, feeling afraid. his body reacted by producing the hormone adrenalin. how did the adrenalin make len feel?
he began to feel happy and cheerful.
or he felt calm and at ease.
or he became shaky and his heart thumped.
or he didn’t feel any different.

What happens as electrons move along the chain of molecules known as the electron transport chain? they gain energy, which causes atp molecules to lose phosphate groups. they gain energy, which causes h *ions to join with oxygen to produce water. they lose energy, which is then used by the cell to make atp. they lose energy, which is then used to break down atp.

When are the centromeres broken in meiosis?

Agroup of students are walking in the park and one of them takes a picture of a pollen grain that is been blown by the wind what caption can the student use for this picture