Biomolecules

Which one of the following is a water soluble vitamin, that is not excreted easily?

Match List-I with List-II

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Which one of the following is a reducing sugar?

Animal starch is the other name of

How many of the given compounds will give a positive Biuret test ____________ ?
Glycine, Glycylalanine, Tripeptide, Biuret

During the denaturation of proteins, which of these structures will remain intact?

Glycosidic linkage between C1 of \(\alpha\)-glucose and C2 of \(\beta\)-fructose is found in

A polysaccharide 'X' on boiling with dil H2SO4 at 393 K under 2-3 atm pressure yields 'Y'. 'Y' on treatment with bromine water gives gluconic acid. 'X' contains \(\beta\)-glycosidic linkages only. Compound 'X' is :

In alanylglycyl leucyl alanyl valine, the number of peptide linkages is ___________.

Which one of the following compounds contains \(\beta\)-C1-C4 glycosidic linkage?

Which of the following is not an example of fibrous protein?

The compound 'A' is a complementary base of _______________ in DNA stands.

Which one among the following chemical tests is used to distinguish monosaccharide from disaccharide?

Compound A gives D-Galactose and D-Glucose on hydrolysis. The compound A is :

Out of following isomeric forms of uracil, which one is present in RNA?

Hydrolysis of sucrose gives :

Which of the following vitamin is helpful in delaying the blood clotting?

Match List - I with List - II.



List - I

List - II




(a)
Sucrose
(i)
\(\beta\)-D-Galactose and \(\beta\)-D-Glucose


(b)
Lactose
(ii)
\(\alpha\)-D-Glucose and \(\beta\)-D-F...

The total number of negative charge in the tetrapeptide, Gly-Glu-Asp-Tyr, at pH 12.5 will be ______________. (Integer answer)

Given below are two statements : one is labelled as Assertion (A) and other is labelled as Reason (R). Assertion (A) : Sucrose is a disaccharide and a non-reducing sugar.Reason (R) : Sucrose involves glycosidic linkage between C1 of $$\beta...

The water soluble protein is :

Which one of the following is correct structure for cytosine?

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

Which of the following is correct structure of \(\alpha\)-anomer of maltose?

Out of the following, which type of interaction is reponsible for the stabilisation of \(\alpha\)-helix structure of proteins ?

Match List - I and List - II.



List I

List II




(a)
Valium
(i)
Antifertility drug


(b)
Morphine
(ii)
Pernicious anaemia


(c)
Norethindrone
(iii)
Analgesic
...

Thiamine and pyridoxine are also known respectively as :

Identify the incorrect statement from the following

Which one of the following statements is not true about enzymes?

A peptide synthesized by the reactions of one molecule each of Glycine, Leucine, Aspartic acid and Histidine will have _________ peptide linkages.

A non-reducing sugar "A" hydrolyses to give two reducing mono saccharides. Sugar A is

Deficiency of vitamin K causes :

Which of the following is correct structure of tyrosine?

\({C_{12}}{H_{22}}{O_{11}} + {H_2}O\buildrel {Enzyme\,A} \over \longrightarrow \mathop {{C_6}{H_{12}}{O_6}}\limits_{Glu\cos e} + \mathop {{C_6}{H_{12}}{O_6}}\limits_{Fructose}\)$$\mathop {{C_6}{H_{12}}{O_6}}\limits_{Glu\cos e} \buildrel ...

Fructose is an example of :

Which among the following pairs of Vitamins is stored in our body relatively for longer duration?

The secondary structure of protein is stabilised by:

Which of the following statement is not true for glucose?

Two monomers in maltose are :

Match the following :
(i) Riboflavin    (a) Beriberi
(ii) Thiamine    (b) Scurvy
(iii) Pyridoxine   (c) Cheliosis
(iv) Ascorbic acid    (d) Convulsions

Which of the following statements is correct ?

Which one of the following statements is not
true?

Which of the following is not an essential
amino acid :

The number of chiral carbon(s) present in
peptide, Ile-Arg-Pro, is _____.

The number of chiral carbons present in
sucrose is _____.

What are the functional groups present in the
structure of maltose?

Which of the following will react with CHCl3 +
alc. KOH?

The number of chiral centres present in
threonine is ________.

The number of
groups present in a tripeptide Asp–Glu–Lys is ____.

Consider the following rections:

'x', 'y' and 'z' in these reactions are respectively.