Applied BioChemistry Mid - I, September - 2014

1.The facilitated diffusion of glucose into blood cells uses a mechanism called
  • Antiport
  • Symport
  • uniport
  • active transport
Answer: C
2.Based on the nature of hydrolysis lipids are classified into ______ types
  • 1
  • 2
  • 3
  • 4
Answer: C
3.In a eukaryotic cell, the enzymes of glycolysis are located in the ______________
  • plasma membrane
  • cytosol
  • intermembrane space
  • mitochondrial matrix
Answer: B
4.Saturated fatty acids, they can be represented by the general formula
  • (CH2O)n
  • CH3(CH2)n COOH
  • CH3(CH3)n COOH
  • CH2(CH2)n COOH
Answer: B
5.A polysacchharide which is often called animal starch is
  • Glycogen
  • Insulin
  • Starch
  • Dextrin
Answer: A
6.Give an example of basic buffer
  • CH3COOH & CH3COONa
  • NH4OH & NH4CL
  • CH3COOH & NH4OH
  • None of the above
Answer: C
7.Under anaerobic conditions the glycolysis one mole of glucose yields __ moles of ATP.
  • One
  • Eight
  • Two
  • Three
Answer: B
8.Calculate the hydrogen- ion concentration in moles per litre of a solution (Whose PH is 5.4) ?
  • 2.98 x 10-6
  • 1.98 x10-6
  • 4.98 x10-6
  • 3.98 x10-6
Answer: B
9.The pH optimum of most of the enzymes is
  • Between 2 and 4
  • Between 8 and 12
  • Between 5 and 9
  • Above 12
Answer: B
10.The Hepatocyte (or) liver cell is an example of _______ cell
  • prokaryotic
  • eukaryotic
  • both a&b
  • none of the above
Answer: B
11.A molecule essential to the functioning of an enzyme, but not part of the enzyme protein itself is Called ____________
Answer: Cofactor
12.The ES-complex (Enzyme–substrate complex) is also called the ______________.
Answer: Michaelis complex
13.The ______________________ is a small body within the nucleus.
Answer: Nucleolus
14.The network of interrelated catabolic and anabolic pathways in cells is referred to as ______________
Answer: Metabolism
15.A system that exchanges both energy and material with its surrounding is said to be ______________
Answer: Open system
16.________________ is a type of weak interaction that stabilizes the native conformation of a Biomolecule or supramolecular complex.
Answer: Non covalent interaction
17.Enzymes enhance the rate of chemical reactions by lowering the __________ energy that Constitutes an energy barrier between reactants and products.
Answer: Activation
18.______________ is a component of eukaryotic cells consisting of microtubules, actin filaments, And intermediate filaments.
Answer: Cytoskeleton
19.An allosteric inhibitor of an enzyme participates in ______________ regulation.
Answer: Feedback
20.The integrator between the TCA cycle and Urea cycle is __________________.
Answer: Fumarate