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1
JEE Main 2024 (Online) 27th January Morning Shift
MCQ (Single Correct Answer)
+4
-1
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Two nucleotides are joined together by a linkage known as :

A
Phosphodiester linkage
B
Glycosidic linkage
C
Disulphide linkage
D
Peptide linkage
2
JEE Main 2023 (Online) 15th April Morning Shift
MCQ (Single Correct Answer)
+4
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Which is not true for arginine?
A
It has a fairly high melting point.
B
It is associated with more than one $\mathrm{pK}_{\mathrm{a}}$ values.
C
It has high solubility in benzene.
D
It is a crystalline solid.
3
JEE Main 2023 (Online) 13th April Evening Shift
MCQ (Single Correct Answer)
+4
-1
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The naturally occurring amino acid that contains only one basic functional group in its chemical structure is

A
asparagine
B
arginine
C
histidine
D
lysine
4
JEE Main 2023 (Online) 13th April Morning Shift
MCQ (Single Correct Answer)
+4
-1
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JEE Main 2023 (Online) 13th April Morning Shift Chemistry - Biomolecules Question 31 English

The products formed in the above reaction are

A
Two optically active products
B
One optically active and one meso product
C
Two optically inactive products
D
One optically inactive and one meso product.
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