Question

Which of the following is an example of a protein?

Enzymes
Cholesterol
RNA
Starch

Answer 1

Cholesterol, definitely not! xD
Starch, nope because it is just starch.

Answer 2

RNA stands for ribonucleic acid. It is an important molecule with long chains of nucleotides. A nucleotide contains a nitrogenous base, a ribose sugar, and a phosphate. Just like DNA, RNA is vital for living beings. http://www.news-medical.net/life-sciences/What-is-RNA.aspx

Answer 3

Enzymes are biological molecules (proteins) that act as catalysts and help complex reactions occur everywhere in life. Let's say you ate a piece of meat. Proteases would go to work and help break down the peptide bonds between the amino acids. http://www.chem4kids.com/files/bio_enzymes.html

Answer 4

Now which one do you think? :)

Answer 5

enzymes ?

Answer 6

Correct! :)