Which of the following breaks food down into energy that the body can then use?
A. Enzymes
O B. Hormones
Ο Ο Ο Ο
O C. Lymphocytes
O D. Neurons

You are working in the lab and are working with the same element but with varying isotopes of the element. you are working with c-11, c-13, c-14, and c-15. what is the average atomic mass of this element? (use periodic table) a- 12 b-15 c-14 d-13

If a grape were placed in a hypertonic solution what would happen and why?

During photosynthesis, hydrogen ions are most directly used to in the chloroplast pictured above. a) make glucose b) make chlorophyll c) produce carbon dioxide d) drive the production of atp