Question: The patient suffered from hypogondism, failure to thrive, lose of taste and unable to maintain stability. This shows the deficiency of_____________?

• 1. Zinc
• 2. Chromium
• 3. Copper
• 4. Potassium

Question: The sigma subunit of prokaryotic RNA polymerase_______________?

• 1. Binds the antibiotic Rifampicin
• 2. Is inhibited by a-amanitin
• 3. Specifically recognizes the promoter site
• 4. Is part of the core enzyme

Question: Iron absorption is decreased in presence of all except____________?

• 1. Phytates
• 2. Ascorbic acid
• 3. Tannins
• 4. Phosphates

Question: Normal serum calcium level is_______________?

• 1. 4-6 mg/dl
• 2. 9-11 mg/dl
• 3. 19-21 mg/dl
• 4. 20-30 mg/dl

Question: The normal value of serum potassium level is____________?

• 1. 2.8-3.8 meq/L
• 2. 3.8-5 meq/L
• 3. 5-5.8 meq/L
• 4. 6-7.2 meq/L

Question: Highest binding of iron in plasma is seen with___________?

• 1. Transferrin
• 2. Ferritin
• 3. Hemoglobin
• 4. Ceruloplasmin

Question: Kinase requires_______________?

• 1. MN++
• 2. Cu++
• 3. Mg++
• 4. Inorganic phosphate

Question: Mutations are due to changes in_________________?

• 1. DNA nucleotide sequence
• 2. RNA nucleotide sequence
• 3. Amino acid sequence of ribonuclease
• 4. Cell walls

Question: The initiation codon for protein synthesis is_____________?

• 1. AUG
• 2. UAA
• 3. UUU
• 4. UAG

Question: Nonsense codons bring about__________________?

• 1. Elongation of polypeptide chain
• 2. Pre-translational modification of protein
• 3. Initiation of protein synthesis
• 4. Termination of protein synthesis