WorksheetsBiochemistry Quiz on Nucleotides and RNA
Total questions: 20
Worksheet time: 10mins
Which of the following is a purine base?
Thymine
Uracil
Adenine
Cytosine
Which of the following is a pyrimidine base?
Guanine
Adenine
Thymine
Inosine
Watson and Crick proposed the structure of DNA in which year?
1944
1953
1961
1970
According to Chargaff’s rule, the amount of adenine is equal to?
Thymine
Cytosine
Guanine
Uracil
Which of the following is not found in RNA?
Uracil
Adenine
Cytosine
Thymine
Which type of RNA carries amino acids to the ribosome?
mRNA
tRNA
rRNA
siRNA
What is the function of mRNA?
Carries amino acids
Synthesizes proteins
Carries genetic code from DNA to ribosome
Forms ribosomes
Which RNA is most abundant in the cell?
mRNA
tRNA
rRNA
miRNA
Which RNA acts as a catalyst?
tRNA
rRNA
mRNA
Ribozyme
What is the sugar component of RNA?
Deoxyribose
Glucose
Ribose
Fructose
What type of bond connects nitrogenous bases in DNA?
Phosphodiester bond
Ionic bond
Glycosidic bond
Hydrogen bond
What type of bond links nucleotides in DNA?
Hydrogen bond
Phosphodiester bond
Peptide bond
Glycosidic bond
DNA with right-handed helix and 10 base pairs per turn is?
Z-DNA
B-DNA
A-DNA
C-DNA
Which of the following is a function of nucleotides?
Enzyme inhibition
Cell membrane structure
Energy transfer
Protein degradation
Which of the following nucleotides acts as a second messenger?
ATP
GTP
cAMP
AMP
Which atom is NOT found in purine structure?
Nitrogen
Carbon
Sulfur
Oxygen
What is the function of rRNA?
Carries amino acids
Synthesizes enzymes
Forms ribosomes
Regulates transcription
Which nitrogen base is unique to RNA?
Thymine
Uracil
Adenine
Guanine
Purine bases include?
Thymine and cytosine
Uracil and thymine
Adenine and guanine
Cytosine and uracil
One of the following is a source of atom in purine ring?
Glycine
Serine
Alanine
Proline
