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MODEL PAPER 5 — BIOLOGY STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceBIOLOGYMODEL PAPER 53 Marks
Question
a. Given below is the stepwise schematic representation of the process of electrophoresis. Identify the alphabets representing (i) Anode end (ii) smallest/lightest DNA strand in the matrix (iii) Agarose gel
Image
b. What is elution? State the importance of elution in this process.
✓

Answer

a. i. Anode = S
ii. Smallest/lightest DNA Strand = R
iii. Agarose gel = T
b. The DNA fragments purified in this way are used in constructing recombinant DNA by joining them with cloning vectors.

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