Biological Molecules - Organic Chemistry II (cont) | BIALIGY.com

About this video

• Video Title: Biological Molecules - Organic Chemistry II (cont) | BIALIGY.com
• Channel: BIALIGY
• Speakers: [None provided in transcript]
• Duration: 00:05:48

Overview

This video explains and details several functional groups relevant to biological molecules, including sulfhydryl, phosphate, and methyl groups. It discusses their structure, properties (polar/non-polar, hydrophilic/hydrophobic), and common occurrences in biological contexts like proteins, phospholipids, and nucleic acids.

Key takeaways

• Sulfhydryl Group (-SH): Also known as thiol groups, they are commonly found in proteins.
• Phosphate Group (H2P4 or HP4): This group can donate one or two acidic protons, making it acidic. It is polar and hydrophilic, found in phospholipids and nucleic acids.
• Methyl Group (CH3): This group consists of carbon and hydrogen atoms with similar electronegativity, making it non-polar and hydrophobic.
• Polarity and Hydrophilicity: Polar functional groups, characterized by the presence of electronegative atoms like oxygen and nitrogen, are generally hydrophilic. Non-polar groups like methyl are hydrophobic.