WorksheetsIB Biology (HL) - Nucleic Acids
Total questions: 10
Worksheet time: 5mins
What is the name of sub-topic 7.1?
Molecular Biology
Nucleic acids
DNA
DNA structure
Hershey and Chase conducted a famous experiment to identify...
Whether viruses invade bacteria or not
Whether the genetic material was DNA or RNA
Using radioisotopes to make protein and DNA
Use radioisotopes to identify that proteins are as important as DNA
Why were viruses grown in S-35?
Because DNA contains sulphur but not phosphorus
Because some proteins contain an amino acid with sulphur
Because DNA contains phosphorus but not sulphate
Because some DNA contain an amino acid with sulphur
Why were viruses grown in P-32?
Because the backbone of proteins contains phosphorus
Because DNA contains sulphur and not phosphorus
Because protein contains phosphorus and not sulphur
Because DNA contains phosphorus and not sulphur
Which of the following is true?
Protein is the genetic material of the cell
DNA and protein is the genetic material of the cell
DNA is the genetic material of the cell
DNA is more important than protein
What is true about the structure of DNA?
DNA is a single-stranded molecule
Nitrates form outer backbone (bases inside)
DNA forms a double helix
Molecule forms a linear molecule
Who was awarded the Nobel prize for the discovery of the structure of DNA?
Watson and Wilkins
Wilkins and Franklin
Wilkins and Crick
Watson and Crick
What is the name of the experiment/technique used to deduce the structure of DNA?
X-ray crystallography
Infrared crystallography
Bacteriophage chromatography
Scattering pattern
Which of the following about DNA structure is false?
DNA forms a helix
DNA is double stranded
DNA forms a twist every 40 angstroms
There are approximately 10 bases per twist
What are purines and pyrimidines?
Purine is single ring; Pyrimidine is double ring
Names of different types of protein
Purine is A and G; Pyrimidine is C and T
Names of different types of DNA
