Q: 24 (IES/2016)

Consider the following:
1. Amino acids
2. Fatty acids
3. Hormones
4. Vitamins
Which of the above can be the sources of cellular energy in a human body?
question_subject: 
Science
question_year: 
2016
question_exam: 
IES
stats: 
0,968,912,968,304,104,504