7. application: have you ever had a cut before and wondered why it stops bleeding? it is actually a very complex process
that includes platelets, which make up a component of your blood. platelets are involved in the blood clot. as
platelets begin to assist in clotting, more and more platelets are activated by complex signaling. this continues until a clot
can be formed. is this signaling scenario best describing positive or negative feedback? why

When there is a cut, and platelets are coming, its positive feedback. But when the clot is formed and increased platelets concentration at the site create a negative feedback to stop sending more platelets for clot formation.

it's negative feedback mechanism

Explanation: because negative feedback is about to maintain normal condition of the body

videntify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.