Proteins are macromolecules that are made up of the subunits that are called amino acids, there are 20 fundamental kinds of amino acids present. These varying combinations of them make different proteins needed for numerous functions.
Cold blooded, lay eggs in water, and respire both by skin and lungs, and they have a three-chambered heart.
D, a net transfer of energy
Answer:
1. food
2. glucose, ATP
3. oxygen, glucose
4. CO2
5. the Sun
6. Cellular Respiration
7. Carbon Dioxide
8. energy/ ATP
9. C6H12O6
10. Chloroplast, Mitochondria
11. Autotrophs, Heterotrophs
12. energy, ATP
Explanation:
Quantity of blood delivered to various parts of the body.