Which of the following is NOT a necessary characteristic of life? A Must be composed of cells
B Cells must have a nucleus
C Must have some sort of metabolism
D Must require nutrients in order to live

What types of energy transfers and energy transportations are involved in the domino chain reaction?

Last week i was assigned a thematic. we have groups of three but the people i was assigned with haven't been in school for days. i would appreciate if anyone can me with my thematic . i highlighted most of the important steps and i circled my thematic topic. in desperate need : ( its due on february 19

Nucleic acid certain protein cell membranes certain carbohydrates