How many different amino acids are known?

What causes an unsaturated fatty acid to have a different shape than a saturated fatty acid? o a. unsaturated fatty acids have more hydrogen atoms. o b. unsaturated fatty acids have double carbon bonds. o c. unsaturated fatty acids have more nitrogen atoms. o d. unsaturated fatty acids have single carbon bonds.

What best explains the inability for life to exist in earth early atmosphere

Patient has just received an organ transplant which treatment would be most effective in preventing the patient’s body from