Biomolecules

The $$AT/GC$$ ratio in human beings is: (where $$A=$$adenine,$$T=$$thymine,$$G=$$Guanine,$$C=$$cytosine)
Which of the following carbohydrates can be hydrolysed?
1. fructose
2. Succarose
3. glusoce
4. Starch
Gas A, which is the major cause of global warming, combines with hydrogen oxide B in nature in the presence of a environmental factor C and a green material D to form a six carbon organic compound E and a gas F. The gas F is necessary for breathing.
Name the organic compound E?
What are essential and non essential amino acids?
___________ is rich in source of vitamin C.