Bio-Chem Module 3 Study Guide (61 Terminologies) with Correct Definitions 2023 Update.

Bio-Chem Module 3 Study Guide (61
Terminologies) with Correct Definitions
2023 Update.

Amino Acids - Answer: -Monomers of proteins

- Side chains

- Amine Functional Groups(n-terminal)

- Carboxylic Acid Functional groups (c-terminal)

- Lose -COOH hydrogen group in biological pH

-20 standard amino acids



Amino Acid Groups - Answer: 1. Non-Polar Aliphatic

2. Non-Polar Aromatic

3. Polar Neutral

4. Acidic

5. Basic



Disulfide Bond - Answer: Covalent bond bt sulfurs to stabilize proteins.

-cysteines; ex: hair keratin

, Salt Bridges - Answer: Dipole-Dipole (charge-charge) attractions bt acidic and
basic AA groups



Basic Amino Acid Groups - Answer: PKa greater than 7, side chains are positively
charged

-often found in contact with water bc H bond

-found near acidic residues to take advantage of favorable interactions bt charges

*Arganine, Lysine, Histidine*



Transport Proteins - Answer: Help move molecules around the cell & organism

-hemaglobin carries oxygen from the lungs to the tissue



Structure Proteins - Answer: Give strength to cells, organelles, and tissues

-collagen is structural protein found in cartilage, skin, and tendons



Catalysis Proteins - Answer: Speed up/ catalyze chemical reactions

-protease breaks down protein in cells to help organisms recycle unneeded
proteins