30 Questions
Which of the following is a major functional form of RNA?
mRNA
Which region of mRNA is translated into protein?
untranslated region
Which type of RNA matches amino acid with codon?
tRNA
Which type of RNA is a structural and functional component of ribosomes?
rRNA
Which type of RNA carries protein coding sequence?
mRNA
Which type of RNA is involved in splicing and mRNA degradation?
snRNA
Which type of RNA is associated with epigenetic modification and genomic imprinting?
lncRNA
Which type of RNA is involved in X-chromosome inactivation and telomere protection?
miRNA
Which compound would be a drug of choice for a patient with low CD4 lymphocyte count and symptoms of infection?
Dideoxy adenosine
Which compound is commonly used in cancer treatment?
5-Flurouracil
Which experiment in 1944 showed that DNA is the genetic material that causes transformation?
Avery et al.
Who generated the X-ray picture of DNA fiber in 1950?
Maurice Willkins and Rosalind Franklin
What did Jim Watson and Francis Crick solve in 1953?
The structure of DNA
What are the handrails of the DNA double helix made of?
Sugar and phosphate
What is the direction of DNA strands?
Antiparallel
What is the most common form of DNA double helix?
B-DNA
What is the process of separating DNA strands by breaking hydrogen bonds called?
Denaturation
What determines the denaturation temperature of DNA?
Base composition
What type of DNA structure could be formed in GC-rich regions?
Z-DNA
What is the property of RNA that distinguishes it from DNA?
Sugar
Which textbook is suggested for studying DNA structure and function?
Molecular Biology of the Cell
What is the major biopolymer that is composed of deoxyribonucleotides?
DNA
What is the difference between nucleosides and nucleotides?
Nucleosides have base and sugar, while nucleotides have base, sugar, and phosphate.
Which of the following is a purine base?
Adenine
Which chemical bond connects bases to the sugar in DNA?
N-glycosidic bond
Where are new bases added during DNA replication?
3' carbon of sugar
What is the term used to describe the structure of DNA with two antiparallel strands and complementary base pairing?
Double helix DNA
What are the building blocks of DNA called?
Deoxyribonucleotides
Which experiment provided evidence that DNA is the genetic material?
Avery-MacLeod-McCarty Experiment
What is the difference between chromatin and chromatid?
Chromatin is the relaxed form of DNA during cell division, while chromatid is the condensed form.
Test your knowledge of DNA structure and function with this quiz! Designed for students studying microbiology and immunology, this quiz will cover topics such as the chemical structure of DNA, its components, and its functions. Get ready to dive into the world of molecular biology and test your understanding of this fundamental molecule.
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