#Question id: 40456
#Botany
#Question id: 40457
#Applied Microbiology
Which of the following techniques is most appropriate for the separation of a mixture of lipids?
#Question id: 40458
#Applied Microbiology
Consider the following statements regarding the principles of electrophoresis:
Statement I: Electrophoresis separates molecules primarily based on their charge-to-mass ratio.
Statement II: Neutral molecules with zero net charge remain stationary or move randomly in an electric field.
Which of the above statements is/are correct?
#Question id: 40459
#Applied Microbiology
Assertion (A): Standard Gel Electrophoresis is rarely used for the separation of simple lipids.
Reason (R): Lipids are biomolecules that are primarily hydrophobic and lack the net charge required for migration in an aqueous electric field.
Choose the correct option:
#Question id: 40460
#Applied Microbiology
Match the biomolecule in Column I with the standard separation/visualization medium used in Column II.
| Column I (Biomolecule) | Column II (Method/Medium) |
| A. DNA fragments | 1. Polyacrylamide Gel (PAGE) |
| B. Proteins | 2. Agarose Gel |
| C. Plant Pigments/Lipids | 3. Paper Chromatography / TLC |
#Question id: 40461
#Applied Microbiology
In the E. coli chemotaxis pathway, which of the following events directly leads to "tumbling" behavior?