Match the enzyme in column I with its function in column II and choose the correct option. Column I Column II A. β-galactosidase 1. Joining of DNA fragments B. Permease 2. Peptide bond formation C. Ligase 3. Hydrolysis

JIPMER 2014

Exam: JIPMER
Year: 2014
Subject: Botany
Chapter: Biomolecules (B)

JIPMER 2014 · Botany · Biomolecules (B)

Match the enzyme in column I with its function in column II and...

Match the enzyme in column I with its function in column II and choose the correct option.

<table class="qx-match-list qx-match-table" border="1" cellpadding="6" cellspacing="0"><tr><td>Column I

Column IIA. \beta-galactosidase1. Joining of DNA fragmentsB. Permease2. Peptide bond formationC. Ligase3. Hydrolysis of lactoseD. Ribozyme4. Increases permeability to \beta-galactosidase

Options

A $\begin{array}{l|l|l|l} A & B & C & D \\ \hline 2 & 1 & 4 & 3 \end{array}$
B $\begin{array}{l|l|l|l} A & B & C & D \\ \hline 3 & 2 & 1 & 4 \end{array}$
C $\begin{array}{l|l|l|l} A & B & C & D \\ \hline 2 & 4 & 1 & 3 \end{array}$
D $\begin{array}{l|l|l|l} A & B & C & D \\ \hline 1 & 2 & 4 & 3 \end{array}$

Correct answer

B. $\begin{array}{l|l|l|l} A & B & C & D \\ \hline 3 & 2 & 1 & 4 \end{array}$

Step-by-step solution

\beta

-gal, coded by

Z

structural gene is primarily responsible for the hydrolysis of the diasaccharide lactose into its monomeric units, galactose and glucose.

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