Refer to the given reactions. (i) A d e n i n e + X → A d e n o s i n e (ii) A d e n o s i n e + Y → A d e n y l i c a c i d What does X and Y represent here?

X Y Sugar molecule Phosphate group

X Y Phosphate group Sugar molecule

X Y Sugar molecule Nitrogenous base

X Y Nitrogenous base Sugar molecule

EASY

Earn 100

A higher nucleotide is a nucleotide having

50% studentsanswered this correctly

Important Questions on Biomolecules

EASY

Biology>Cell: Structure and Function>Biomolecules>Nucleotides and Nucleic acid

Optical activity of DNA is due to its:

EASY

Biology>Cell: Structure and Function>Biomolecules>Nucleotides and Nucleic acid

The protein

P

, the oligosaccharide

O

, and the oligonucleotide

N

are composed of

100

amino acid residues,

100

hexose residues and

100

nucleotides, respectively. Which one of the following orders of molecular weights is correct?

EASY

Biology>Cell: Structure and Function>Biomolecules>Nucleotides and Nucleic acid

The type of bond connecting two nucleotides is

EASY

Biology>Cell: Structure and Function>Biomolecules>Nucleotides and Nucleic acid

Identify the chemical components of nucleic acid

A) Cysteine
B) Heterocyclic compound
C) Tyrosine
D) Phosphoric acid
E) Ribulose
F) Monosaccharide

HARD

Biology>Cell: Structure and Function>Biomolecules>Nucleotides and Nucleic acid

Radioisotopes are frequently used in the study of cellular processes. A culture of Escherichia coli is grown at

37 ° C

in a minimal medium containing radioactive phosphorous. At the end of

48

hours, the amount of radioactivity expected in equimolar quantities of the following macromolecules is

MEDIUM

Biology>Cell: Structure and Function>Biomolecules>Nucleotides and Nucleic acid

Choose the correct statements:
A) DNA directly codes for the synthesis of proteins
B) DNA and RNA both can function as genetic material
C) DNA is storage of genetic material and RNA transfers genetic information
D) RNA is indirectly codes for the synthesis of protein

MEDIUM

Biology>Cell: Structure and Function>Biomolecules>Nucleotides and Nucleic acid

The three structural formulas

A, B

and

C

are given here. Identify them and select the correct option.
Question Image

MEDIUM

Biology>Cell: Structure and Function>Biomolecules>Nucleotides and Nucleic acid

Refer to the given reactions.
(i)

A d e n i n e + X \to A d e n o s i n e

(ii)

A d e n o s i n e + Y \to A d e n y l i c a c i d

What does

X

and

Y

represent here?

MEDIUM

Biology>Cell: Structure and Function>Biomolecules>Nucleotides and Nucleic acid

Identify the given structural formulae and select the correct option.
Question Image

EASY

Biology>Cell: Structure and Function>Biomolecules>Nucleotides and Nucleic acid

What does

A

represent in the given diagram of a nucleotide?
Question Image

MEDIUM

Biology>Cell: Structure and Function>Biomolecules>Nucleotides and Nucleic acid

The secondary structure of a protein refers to

EASY

Biology>Cell: Structure and Function>Biomolecules>Nucleotides and Nucleic acid

One of the similarities between DNA and RNA is that both

MEDIUM

Biology>Cell: Structure and Function>Biomolecules>Nucleotides and Nucleic acid

Given below is the diagrammatic representation of one of the categories of small molecular weight organic compounds in living tissues. Identify the category shown and the one blank component "X" in it.

Question Image