Worksheets7 4.2 The Structure of DNA Quiz
Total questions: 20
Worksheet time: 12mins
DNA stands for...
Deoxyribose Acid
Deoxynucleic Acid
Deoxyribonucleic Acid
Ribonucleic Acid
If one side of DNA is ATTA what would the complementary strand look like?
CGGC
GCCG
TAAT
ATTA
Cystosine is always paired with ______________.
Adenine
Thymine
Guanine
It doesn't match with anything
The sides of DNA contain
Sugar and phosphate
Sugar and base pairs
Phosphate and base pairs
DNA does not have any sides
The shape of DNA looks like a twisted ladder, known as
helicase
a double helix
a triple helix
If one side of DNA is TTGAC what is it's complementary strand
AACTG
TTGAC
GGCGT
TTCAC
Where is DNA found in the cell?
Mitochondria
Ribosomes
Nucleus
Endoplasmic Reticulum
Guanine bonds with ______________.
Adenine
Guanine
Cytosine
Thymine
Why is DNA important?
it is very small and very complicated
it's in everything
it serves as the blueprint for traits of all living things
because we eat it every day for energy
Which of these is NOT in DNA?
Adenine
Thymine
Guanine
Uracil
Cytosine
In a molecule of double-stranded DNA, the amount of Adenine present is always equal to the amount of
cytosine
guanine
thymine
uracil
Which of the following units are repeatedly joined together to form a strand of DNA?
amino acids
nucleotides
fatty acids
polysaccharides
What are the 4 nitrogen bases?
adenine, thymine, cytoplasm, and guanine
adenine, thymine cytosine, and guanine
adenine, thymine, cytosine, and gylcerol
adenine, thymine, cytosine, and glucose
What determines the code, or information, of a DNA molecule?
the shape (structure) of the nitrogen bases
the order (sequence) of the nitrogen bases
the color of the nitrogen bases
the frequency (number) of nitrogen bases
Which 2 molecules form the sides (backbone) of the DNA ladder?
deoxyribose sugar and adenine
deoxyribose sugar and a hydrogen bond
deoxyribose sugar and the nucleus
deoxyribose sugar and phosphate
Nitrogenous bases are joined by which type of bond?
polar bonds
ionic bonds
covalent bonds
hydrogen bonds
How did Rosalind Franklin's photo 51 affect the work of Watson and Crick? (picture is shown)
It was used to determine the physical structure of DNA
It was used to identify the four bases that make up DNA
It was used to determine the theory of independent assortment
It was used to show DNA was the molecule of inheritance
Nucleotides are made up of a sugar, phosphate, and..?
nitrogenous base
nucleic acid
cholesterol
fatty acid
Received the noble prize for their discovery of DNA.
Watson
Crick
Wilkins
All of them
Which of the following best describes a DNA molecule?
double helix
contains ribose
made of amino acids
contains Uracil
