Question:
Choose the correct option that indicates the enzyme, ribozyme in bacteria that acts as a catalyst.
Choose the correct option that indicates the enzyme, ribozyme in bacteria that acts as a catalyst.
Updated On: May 12, 2025
28S rRNA
5.8S rRNA
26S rRNA
23S rRNA
Hide Solution
Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Ribozymes are RNA molecules that have catalytic activity.
In bacteria, the ribosome, which is responsible for protein synthesis, contains a ribozyme.
The peptidyl transferase activity, which catalyzes the formation of peptide bonds between amino acids, is carried out by the 23S rRNA component of the large ribosomal subunit.
Therefore, 23S rRNA in bacteria acts as a ribozyme.
Was this answer helpful?
0
0
Top Questions on Molecular Basis of Inheritance
- Distance between two consecutive base pairs of DNA is \rule{2cm}{0.1mm}
- CBSE Compartment XII - 2025
- Biology
- Molecular Basis of Inheritance
- The flows of genetic information in central dogma are in which direction?
- CBSE Compartment XII - 2025
- Biology
- Molecular Basis of Inheritance
- Which one of the following codons has dual function?
- CBSE Compartment XII - 2025
- Biology
- Molecular Basis of Inheritance
- Study the items of Column-I and those of Column-II:
Column-I Column-II
(a) RNA polymerase I (i) 18s rRNA
(b) RNA polymerase II (ii) SnRNAs
(c) RNA polymerase III (iii) hnRNA
Choose the option that correctly matches the items of Column-I with those of Column-II:- CBSE CLASS XII - 2025
- Biology
- Molecular Basis of Inheritance
- The RNA triplet UAG acts as a stop codon which terminates the synthesis of a polypeptide. Below is given a strand of DNA which codes for four amino acids.
In which position will an insertion of a thymine nucleotide result in the termination of translation?
DNA strand:
3′ T C C A C C C G A T G C 5′- CBSE CLASS XII - 2025
- Biology
- Molecular Basis of Inheritance
View More Questions
Questions Asked in CBSE CLASS XII exam
- Two wires made of the same material have the same length \( l \) but different cross-sectional areas \( A_1 \) and \( A_2 \). They are connected together with a cell of voltage \( V \). Find the ratio of the drift velocities of free electrons in the two wires when they are joined in: (i) series, and (ii) parallel.
- CBSE CLASS XII - 2025
- Current electricity
- Two small solid metal balls A and B of radii \(R\) and \(2R\) having charge densities 2 and 3 respectively are kept far apart. Find the charge densities on A and B after they are connected by a conducting wire.
- CBSE CLASS XII - 2025
- Electrostatics
- (ii) Account for the following:
(I) We cannot determine the order of a reaction by taking into consideration the balanced chemical equation.
(II) A bimolecular reaction may become kinetically first order under a specified condition.- CBSE CLASS XII - 2025
- Chemical Kinetics
- Altima Ltd. invited applications for 2,00,000 equity shares of ₹ 10 at a premium of ₹ 4 per share. Amount payable:
On application and allotment – ₹ 7 (incl. ₹ 1 premium)
On first and final call – Balance.
Applications received for 2,40,000 shares. 30,000 rejected. Manvi allotted 4,000 shares failed to pay first and final call. Her shares were forfeited. These were reissued at ₹ 4 per share fully paid-up.
Pass journal entries in the books of Altima Ltd.- CBSE CLASS XII - 2025
- Accounting for Share Capital
- Two batteries of emfs 3V and 6V and internal resistances 0.2 and 0.4 are connected in parallel. This combination is connected to a 4 resistor. Find:
(i) the equivalent emf of the combination
(ii) the equivalent internal resistance of the combination
(iii) the current drawn from the combination- CBSE CLASS XII - 2025
- Power in Electric Circuits
View More Questions