EXAMSHARE

Western Delta University, Oghara Delta State

department of biochemistry
college of natural and applied sciences
western delta university

first semester examination 2023/2024 session

BCH203 - analytical biochemistry time: 2hrs

answer any three (3) questions

  1. Question 1

    1. What is chromatography? Give three components that form the basis of all chromatography technique.
    2. What is the principle of chromatography?
    3. Give two examples each of column and planar chromatography.

  2. Question 2

    1. Briefly explain Ion Exchange Chromatography.
    2. Name and explain the types of ion exchanges used in Ion Exchange Chromatography.
    3. Give two (2) applications of ion exchange chromatography.

  3. Question 3

    Discuss the procedure for Thin-Layer chromatography.

  4. Question 4

    1. Define the following terms:
      1. Sample
      2. Population
      3. Sampling
    2. Explain briefly probability and non-probability sampling.

  5. Question 5

    1. Explain the term centrifugation.
    2. Explain the basic principle of centrifugation.
    3. With the aid of a diagram, explain the operation of a centrifuge.