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WorksheetsDNA and RNA
Total questions: 15
Worksheet time: 18mins
DNA and RNA are both _____, and consist of _____ called nucleotides.
carbohydrates; polymers
nucleic acids; monomers
proteins; dimers
fats; trimers
A DNA nucleotide consists of all of the following except:
deoxyribose
phosphate
ribose
nitrogenous base
Which of the following are purines?
adenine and thymine
adenine and guanine
guanine and cytosine
cytosine and uracil
Which pairing of bases is correct in a DNA molecule?
adenine and thymine
adenine and uracil
guanine and thymine
thymine and cytosine
The scientist who produced the X-ray diffraction pattern of DNA was:
Maurice Wilkins
James Watson
Francis Crick
Rosalind Franklin
Rose Frankfurt
The carbons on the deoxyribose are numbered. Which ones are important for the direction of the DNA molecule?
1’ and 3’
2’ and 4’
3’ and 5’
1’ and 4’
2’ and 5’
The 2 strands of the DNA run ____ to each other, forming a double helix.
parallel
antiparallel
perpendicular
antiperpendicular
From which type of biological evidence could you extract DNA?
shoes
saliva
cell phone
car tire
red blood cells
DNA extraction is best defined as:
a chemical process to release protein from the cell
a chemical process to release DNA from the cell
to make copies of DNA
to make copies of protein
To make copies of DNA in the lab, scientists use:
restriction enzymes (REs)
complementary DNAs (cDNAs)
polymerase chain reaction (PCR)
helicase strand separation (HSS)
At one STR locus, CAG can be repeated several times. A father has 4 CAG repeats on 1 chromosome and 5 CAG repeats on the other chromosome. A mother has 3 CAG repeats on 1 chromosome and 7 CAG repeats on the other chromosome. Which of the following is NOT a possibility for their child?
4 and 7 CAG repeats
5 and 6 CAG repeats
4 and 3 CAG repeats
5 and 7 CAG repeats
What is the complement of the DNA song that Dr. Wright played in class?
GTCA
CAGT
GACT
CTGA
RNA is found in the:
nucleus only
cytoplasm only
mitochondria only
nucleus and mitochondria
nucleus and cytoplasm
Which of the following is a difference between RNA and DNA?
The sugar
The phosphate group
One of the nitrogenous bases is adenine
One of the nitrogenous bases is guanine
Messenger RNA:
carries the genetic code to the cytoplasm
is found in ribosomes
carries the amino acid to the cytoplasm
is found in mitochondria
