This type of energy splits nuclei or combines them a. Chemical energy
b. Nuclear energy
c. Electrical energy
d. Mechanical energy

Which of the following is a main difference in cell structure between an onion cell and a human cheek cell? a. an onion cell contains one nucleus, whereas a human cheek cell contains two nuclei. b. an onion cell has a cell wall. c. a human cheek cell contains chloroplasts. d. there is no difference between an onion cell and a human cheek cell. you for your.

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

Sea stars, sea urchins, sand dollars, and brittle stars are all memeber of a group, what is the common name of the group they are all in