The four main types of biomolecules are carbohydrates, lipids, proteins, and O nucleic acids.
o sugars.
O fatty acids.
O amino acids.

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

Why did adult crab numbers decline in he ecosystem, even though sea stars were still available?

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