Podcast
Questions and Answers
Which of the following is NOT a function of RNA?
Which of the following is NOT a function of RNA?
- Energy molecule (correct)
- Structural molecule
- Adapter molecule
- Catalytic molecule
Which nucleoside is found only in RNA?
Which nucleoside is found only in RNA?
- Adenosine
- Thymidine
- Uridine (correct)
- Cytidine
What is the effect of Tetracycline on the ribosome?
What is the effect of Tetracycline on the ribosome?
- inhibits translocation of mRNA along with ribosome
- inhibits peptidyl transferase
- inhibits binding of aminoacyl tRNA to the ribosome (correct)
- inhibits initiation of translation
What is the most abundant genetic material in most organisms?
What is the most abundant genetic material in most organisms?
Which of the following organisms has more base pairs?
Which of the following organisms has more base pairs?
Which of the following is a pyrimidine base found in DNA?
Which of the following is a pyrimidine base found in DNA?
What is the correct name for 5-methyl uracil?
What is the correct name for 5-methyl uracil?
How many types of nucleic acids are found in the living system?
How many types of nucleic acids are found in the living system?
What is the function of Streptomycin on the ribosome?
What is the function of Streptomycin on the ribosome?
What is the role of RNA in the living system?
What is the role of RNA in the living system?
Which of the following is a nucleoside found in DNA?
Which of the following is a nucleoside found in DNA?
What is the characteristic of DNA?
What is the characteristic of DNA?
Which of the following bases is a purine found in DNA and RNA?
Which of the following bases is a purine found in DNA and RNA?
Who contributed X-ray diffraction data for the model of DNA?
Who contributed X-ray diffraction data for the model of DNA?
What is the genetic material of some viruses?
What is the genetic material of some viruses?
What is the alternative name for Thymine?
What is the alternative name for Thymine?
Which of the following organisms has the least number of base pairs?
Which of the following organisms has the least number of base pairs?
What is the number of types of nucleic acids found in the living system?
What is the number of types of nucleic acids found in the living system?
Study Notes
Antibiotics and Protein Synthesis
- Tetracycline inhibits binding of aminoacyl tRNA to the ribosome
- Streptomycin inhibits initiation of translation
- Chloramphenicol inhibits peptidyl transferase
- Erythromycin inhibits translocation of mRNA along with ribosome
RNA Functions
- RNA can act as an adapter molecule, catalytic molecule, and genetic material
RNA Structure
- Nucleoside found only in RNA is Uridine
- Uracil is a pyrimidine base found in RNA
DNA Structure
- Cytosine is a pyrimidine base found in DNA
- Adenine and guanine are purines found both in DNA and RNA
History of DNA Discovery
- Watson and Crick based their model of DNA on X-ray diffraction data produced by Franklin and Wilkins
Organisms and Genome Size
- Humans have more base pairs than E. coli, bacteriophage, and yeast
Genetic Material
- DNA (deoxyribonucleic acid) is a genetic material
- Dideoxyribo nucleic acid is not a genetic material
- There are 2 types of nucleic acids found in the living system: DNA and RNA
Thymine
- Another name for thymine is 5 – methyl uracil
History of Genetic Material
- The term 'Nuclein' for the genetic material was used by Meischer
Antibiotics and Protein Synthesis
- Tetracycline inhibits binding of aminoacyl tRNA to the ribosome
- Streptomycin inhibits initiation of translation
- Chloramphenicol inhibits peptidyl transferase
- Erythromycin inhibits translocation of mRNA along with ribosome
RNA Functions
- RNA can act as an adapter molecule, catalytic molecule, and genetic material
RNA Structure
- Nucleoside found only in RNA is Uridine
- Uracil is a pyrimidine base found in RNA
DNA Structure
- Cytosine is a pyrimidine base found in DNA
- Adenine and guanine are purines found both in DNA and RNA
History of DNA Discovery
- Watson and Crick based their model of DNA on X-ray diffraction data produced by Franklin and Wilkins
Organisms and Genome Size
- Humans have more base pairs than E. coli, bacteriophage, and yeast
Genetic Material
- DNA (deoxyribonucleic acid) is a genetic material
- Dideoxyribo nucleic acid is not a genetic material
- There are 2 types of nucleic acids found in the living system: DNA and RNA
Thymine
- Another name for thymine is 5 – methyl uracil
History of Genetic Material
- The term 'Nuclein' for the genetic material was used by Meischer
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Description
Match each antibiotic with its effect on protein synthesis. Learn how antibiotics like Tetracycline, Streptomycin, Chloramphenicol, and Erythromycin inhibit different stages of protein synthesis.
