Me answer the questions in the photo that i'm stuck with ☺

Place the steps tor the formation of the enzyme pepsinogen in correct order

How do accessory pigments chlorophyll?

Urgent. the table shows the relative blood flow through some organs in the human body that is, the percentage of blood that flows through a given organ, through which organ(s) does all the blood flow? explain the effect of exercise on blood flow to skeletal muscles.