EASY
Earn 100

Match the following and choose the correct combination from the options given

Column I (Biomolecules) Column II (Examples)
A. Carbohydrates 1. Trypsin
B. Protein 2. Cholesterol
C. Nucleic acid 3. Insulin
D. Lipid 4. Adenylic acid

 

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Important Questions on Biomolecules

HARD
Biology>Cell : Structure and Functions>Biomolecules>Nucleic Acids
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
EASY
Biology>Cell : Structure and Functions>Biomolecules>Nucleic Acids
If one strand of a DNA has the sequence of bases TATCTACCTGGA. Write the sequence of bases on the complementary strand.
MEDIUM
Biology>Cell : Structure and Functions>Biomolecules>Nucleic Acids
Write the names of two nucleic acids.
EASY
Biology>Cell : Structure and Functions>Biomolecules>Nucleic Acids
Which of the following biomolecules does have a phosphodiester bond?
EASY
Biology>Cell : Structure and Functions>Biomolecules>Nucleic Acids
Out of following isomeric forms of uracil, which one is present in RNA?
MEDIUM
Biology>Cell : Structure and Functions>Biomolecules>Nucleic Acids
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
EASY
Biology>Cell : Structure and Functions>Biomolecules>Nucleic Acids
Which one of the following is not present in RNA?
MEDIUM
Biology>Cell : Structure and Functions>Biomolecules>Nucleic Acids
5- Methyl Uracil means:
EASY
Biology>Cell : Structure and Functions>Biomolecules>Nucleic Acids

Identify the chemical components of nucleic acid

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

MEDIUM
Biology>Cell : Structure and Functions>Biomolecules>Nucleic Acids
Sugar moiety in DNA and RNA molecules respectively are
EASY
Biology>Cell : Structure and Functions>Biomolecules>Nucleic Acids
According to Watson-Crick model, hydrogen bonding in a double-stranded DNA occurs between
EASY
Biology>Cell : Structure and Functions>Biomolecules>Nucleic Acids
The sequence of bases on RNA molecule synthesize on the GCATA strand of DNA is
EASY
Biology>Cell : Structure and Functions>Biomolecules>Nucleic Acids
In the polynucleotide chain of DNA, a nitrogenous base is linked to the -OH of:
EASY
Biology>Cell : Structure and Functions>Biomolecules>Nucleic Acids
Optical activity of DNA is due to its:
MEDIUM
Biology>Cell : Structure and Functions>Biomolecules>Nucleic Acids
N-Glycosidic linkage contains:
EASY
Biology>Cell : Structure and Functions>Biomolecules>Nucleic Acids
In a protein molecule various amino acids are linked together by:
EASY
Biology>Cell : Structure and Functions>Biomolecules>Nucleic Acids
Which one of the following statements is wrong?
EASY
Biology>Cell : Structure and Functions>Biomolecules>Nucleic Acids
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?
MEDIUM
Biology>Cell : Structure and Functions>Biomolecules>Nucleic Acids
What are nucleic acids? Mention their two important functions.
HARD
Biology>Cell : Structure and Functions>Biomolecules>Nucleic Acids
The average energy of each hydrogen bond in A-T pair is x kcalmol-1 and that in G-C pair is y kcalmol-1. Assuming that no other interaction exists between the nucleotides, the approximate energy required in kcalmol-1 to split the following double stranded DNA into two single strands is
Question Image
[Each dashed line may represent more than one hydrogen bond between the base pairs]