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Worksheets2.6 IB DNA & RNA Structure
Total questions: 21
Worksheet time: 2hrs 41mins
What is the primary function of DNA?
To determine the sequence of amino acids in a protein molecule
To determine the sequence of saccharide monomers in a polysaccharide molecule
To determine the sequence of traits in an individual
To determine the sequence of fatty acids in a glycerol molecule
Which of the following differences between DNA and RNA is NOT true?
DNA and RNA have a different sugar in their nucleotides
RNA is a single-stranded helix
RNA can be found in the nucleus and cytoplasm of the cell
DNA is only found in the cell nucleus
RNA has the following base paring: A-T, C-G
If 23% of the nitrogenous bases in a DNA molecule are guanine, what percentage of the nitrogenous bases will be adenine?
27%
23%
46%
54%
Who is responsible for producing this image?
Francis Crick
James Watson
Rosalind Franklin
Maurice Wilkins
Erwin Chargaff
The work of Erwin Chargaff allowed Watson and Crick to determine the rules of.......
protein synthesis
transcription
hydrogen bonding
nitrogenous base pairing
Who was responsible for the model shown?
Oswald Avery
Watson and Crick
Erwin Chargaff
Rosalind Franklin
Maurice Wilkins
What determines the code of a DNA molecule?
the structure of the nitrogenous bases
the sequence of the nitrogenous bases
the type of pentose sugar
the frequency of nitrogenous bases
Which is the only nucleic acid that this romance could happen within?
DNA
RNA
Which carbon atoms on the pentose sugar does the phosphate molecule bond to?
1' & 2'
2' & 3'
3' & 4"
4' & 5'
5' & 3'
In which direction does the parallel DNA strand run?
1' - 5'
3' - 5'
5' - 3'
5' - 1'
What is the name of the DNA monomer shown?
Nucleotide
Amino acid
Triglyceride
Phospholipid
RNA and DNA are similar in that....
they both comprise of the 5 nitrogenous bases: adenine, thymine, cytosine, guanine, and uracil
they are both double helixes
they both contain ribose as the sugar
they both contain a phosphate group
Which of the following statements are true? (3)
The diagram on the left is ribose
Both sugars are pentose sugars
The diagram with the H highlighted is deoxyribose
Both sugars are found in DNA
The only difference between them is the number of oxygen atoms
