Q. What is the primary structure of RNA composed of?
-
A.
Amino acids
-
B.
Nucleotides
-
C.
Fatty acids
-
D.
Monosaccharides
Solution
The primary structure of RNA is composed of nucleotides, which are the building blocks of RNA.
Correct Answer:
B
— Nucleotides
Learn More →
Q. What is the sugar component of RNA?
-
A.
Deoxyribose
-
B.
Ribose
-
C.
Glucose
-
D.
Fructose
Solution
The sugar component of RNA is ribose, which differs from deoxyribose found in DNA.
Correct Answer:
B
— Ribose
Learn More →
Q. What type of bond links nucleotides in an RNA strand?
-
A.
Hydrogen bonds
-
B.
Ionic bonds
-
C.
Peptide bonds
-
D.
Phosphodiester bonds
Solution
Nucleotides in an RNA strand are linked by phosphodiester bonds.
Correct Answer:
D
— Phosphodiester bonds
Learn More →
Q. What type of secondary structure is commonly formed by RNA?
-
A.
Alpha helix
-
B.
Beta sheet
-
C.
Hairpin loop
-
D.
Random coil
Solution
RNA commonly forms secondary structures such as hairpin loops due to base pairing.
Correct Answer:
C
— Hairpin loop
Learn More →
Q. Which of the following is NOT a function of RNA?
-
A.
Protein synthesis
-
B.
Genetic information storage
-
C.
Catalysis of biochemical reactions
-
D.
Regulation of gene expression
Solution
RNA does not store genetic information; that function is primarily performed by DNA.
Correct Answer:
B
— Genetic information storage
Learn More →
Q. Which structure is characteristic of RNA?
-
A.
Double helix
-
B.
Single-stranded
-
C.
Triple helix
-
D.
Circular
Solution
RNA is typically single-stranded, distinguishing it from the double helix structure of DNA.
Correct Answer:
B
— Single-stranded
Learn More →
Q. Which type of RNA is responsible for carrying genetic information from DNA to the ribosome?
-
A.
Transfer RNA (tRNA)
-
B.
Ribosomal RNA (rRNA)
-
C.
Messenger RNA (mRNA)
-
D.
Small nuclear RNA (snRNA)
Solution
Messenger RNA (mRNA) carries genetic information from DNA to the ribosome for protein synthesis.
Correct Answer:
C
— Messenger RNA (mRNA)
Learn More →
Showing 1 to 7 of 7 (1 Pages)
