WorksheetsDNA structure
Total questions: 15
Worksheet time: 8mins
Which of the following macromolecules is responsible for inheritance?
carbohydrate
lipid
protein
nucleic acid
Which of the following options correctly pairs a monomer to its corresponding polymer?
monosaccharide & polysaccharide
nucleotide & lipid
glycerol/fatty acid & protein
amino acid & nucleic acie
A(n) _________________ refers to an organism's complete genetic makeup
chromosome
gene
cell
genome
Which of the following statements is correct?
Dehydration synthesis connects nucleotides to form nucleic acids
Dehydration synthesis connects nucleic acids to form DNA.
Hydrolysis breaks DNA into RNA.
Hydrolysis connects nucleotides to form nucleic acids
The monomer of nucleic acids is called a
nitrogenous base
monosaccharide
nucleotide
deoxyribose sugare
A DNA nucleotide includes all of the following EXCEPT:
phosphate group
ribose sugar
nitrogenous bases
deoxyribose sugar
An RNA nucleotide includes all of the following EXCEPT
thymine base
uracil base
phosphate group
ribose sugar
Edwin Chargaff collected data which helped determine the base pairing rules. These rules include
A and T pair, G and C pair
A and G pair, C and T pair
A and C pair, G and T pair
A and U pair, G and C pair
The base pairing rules of the DNA strucure allows for
a consistent diameter throughout the molecule
hydrogen bonding along the phosphate-sugar backbone
covalent bonding between bases
mutations to occur easilty
Which of the following options correctly matches the DNA structure with the correct type of bonds?
nitrogenous bases bond covalently
nitrogenous bases link by hydrogen bonds
phosphates and sugars link by hydrogen bonds
phosphates and nitrogenous bases bond covalently
Which of the following correctly describes the orientation of a DNA molecule?
a phosphate group is at the 3' end
a phophate group is at the 5' end
a hydroxyl (OH) group is at the 5' end
a water molecule is attached to the 3' end
The scientist who took the X-ray crystallogrphy image which enabled the understanding of the DNA double helix was
James Watson
Rosalind Franklin
Francis Crick
Maurice Wilkins
DNA needs to be copied
to create ATP
during osmosis
before a cell divides
during cellular respiration
During which phase of the cell cycle is DNA replicated?
G0
Mitosis
Cytokinesis
S
DNA replicates using the _________________ model.
conservative
semi-conservative
photosynthetic
collaborative
