Biochemistry 2nd Edition by Roger L Miesfeld Complete Chapters.pdf

Biochemistry 2nd Edition by Roger
L Miesfeld Complete Chapters

🧬 BIOCHEMISTRY TEST BANK
🔥 QUESTIONS
🧠 BASICS OF BIOCHEMISTRY
1. The building blocks of proteins are:

A. Nucleotides​
B. Amino acids​
C. Fatty acids​
D. Sugars

✅ Answer: B​
💡 Proteins = chains of amino acids

2. The pH scale measures:

A. Temperature​
B. Acidity/alkalinity​
C. Pressure​
D. Energy

✅ Answer: B

3. Enzymes function as:

,A. Substrates​
B. Catalysts​
C. Products​
D. Inhibitors

✅ Answer: B

4. Activation energy is:

A. Energy released​
B. Energy needed to start reaction​
C. Heat​
D. ATP

✅ Answer: B

5. Hydrogen bonds are:

A. Strong covalent bonds​
B. Weak intermolecular forces​
C. Ionic bonds​
D. Peptide bonds

✅ Answer: B

6. Water is polar because:

A. Equal charge​
B. Unequal charge distribution​
C. No charge​
D. Neutral atoms

✅ Answer: B

7. Buffers resist changes in:

A. Temperature​
B. pH​

, C. Pressure​
D. Energy

✅ Answer: B

8. Organic molecules contain:

A. Nitrogen only​
B. Carbon​
C. Oxygen only​
D. Hydrogen only

✅ Answer: B

9. Covalent bonds involve:

A. Electron transfer​
B. Electron sharing​
C. Proton exchange​
D. Energy loss

✅ Answer: B

10. Ionic bonds form by:

A. Sharing electrons​
B. Transfer of electrons​
C. Hydrogen bonding​
D. Weak forces

✅ Answer: B

🧬 PROTEINS & ENZYMES (21–40)