Which of the glycosidic linkage between galactose and glucose is present in lactose ?

SECTION - A [CHEMISTY - MCQ]

GSEB - English Medium

Which of the glycosidic linkage between galactose and glucose is present in lactose ?

A$C -1$ of galactose and $C -4$ of glucose
B$C -1$ of glucose and $C -6$ of galactose
C$C -1$ of glucose and $C -4$ of galactose
D$C -1$ of galactose and $C -6$ of glucose

JEE MAIN 2021, Easy

STD 11 Science
JEE
STD 12 - 10. Biomolecules
Chemistry

Share

art

Download our app
and get started for free

Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*

Similar Questions

1

The correct match between Item $I$ and Item $II$ is

Item $I$	Item $II$
$A$ Allosteric effect	$P$ Molecule binding to the active site of enzyme
$B$ Competitive inhibitor	$Q$ Molecule crucial for communication in the body
$C$ Receptor	$R$ Molecule binding to a site other than the active site of enzyme
$D$ Poison	$S$ Molecule binding to the enzyme covalently

2
The pair of compounds in which both the compounds give positive test with Tollen's reagent is
View Solution
3
The pyrimidine bases present in $DNA$ are
View Solution
4
Which of the following is not a constituent of $RNA$
View Solution

5

The substituents $R_1$ and $R_2$ for nine peptides are listed in the table given below. How many of these peptides are positively charged at $pH =7.0$ ? $Image$

Peptide	$R _1$	$R _2$
$I$	$H$	$H$
$II$	$H$	$CH _3$
$III$	$CH _2 COOH$	$H$
$IV$	$CH _2 CONH _2$	$( CH _2)_4 NH _2$
$V$	$CH _2 CONH _2$	$CH _2 CONH _2$
$VI$	$( CH _2)_4 NH _2$	$( CH _2)_4 NH _2$
$VII$	$CH _2 COOH$	$CH _2 CONH _2$
$VIII$	$CH _2 OH$	$( CH _2)_4 NH _2$
$IX$	$( CH _2)_4 NH _2$	$CH _3$

6
It is best to carry out reactions with sugars in neutral or acid medium and not in alkaline medium. This is because in alkaline medium sugars undergo one of the following changes
View Solution
7
Assertion : Hydrolysis of sucrose is known as inversion of cane sugar.
Reason : Sucrose is a disaccharide.
View Solution
8
The incorrect statements regarding enzymes are:

$(A)$ Enzymes are biocatalysts.

$(B)$ Enzymes are non-specific and can catalyse different kinds of reactions.

$(C)$ Most Enzymes are globular proteins.

$(D)$ Enzyme - oxidase catalyses the hydrolysis of maltose into glucose.

Choose the correct answer from the option given below:
View Solution
9
Insulin is
View Solution
10
Which one of the following sets of monoseccharides forms sucrose?
View Solution