Q.1.
Which of the following best describes a DNA molecule?
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0%
double helix
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0%
contains ribose
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0%
made of amino acids
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0%
contains Uracil
Q.2.
Adenine bonds with ______________.
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Guanine
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0%
Thymine
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0%
Cytosine
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0%
Adenine
Q.3.
Guanine bonds with ______________.
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0%
Adenine
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0%
Guanine
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0%
Cytosine
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0%
Thymine
Q.4.
Why is DNA important?
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it is very small and very complicated
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it's in everything
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it serves as the blueprint for traits of all living things
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because we eat it every day for energy
Q.5.
Which 2 molecules forms the sides (backbone) of the DNA ladder?
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deoxyribose and adenine
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0%
deoxyribose and a hydrogen bond
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0%
sugar and the nucleus
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0%
deoxyribose (sugar) and phosphate
Q.6.
What bonds the nitrogen bases in the center of the DNA strand?
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Covalent Bonds
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0%
Ionic Bonds
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0%
Hydrogen Bonds
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0%
Metallic Bonds
Q.7.
Which shows the correct complementary base pairing for DNA?
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C-A, T-G
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0%
A-G, C-T
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0%
C-G, U-A
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0%
T-A, G-C
Q.8.
Which sequence of DNA bases would pair with this partial strandATG TGA CAG
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0%
ATG TGA CAG
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0%
TAC ACT GTC
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0%
GTA AGT GAC
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0%
CAT TCA CTG
Q.9.
In a sample of DNA, 20 percent is Adenine. What are the percentages of the other bases?
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0%
Thymine - 30 percent, Cytosine 25 percent, Guanine 25 percent
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0%
Cytosine - 20 percent, Thymine - 30 percent, Guanine 25 percent
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0%
Thymine - 20 percent, Cytosine 30 percent, Guanine 30 percent
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0%
Thymine - 30 percent, Cytosine 30 percent, Guanine 20 percent
Q.10.
DNA codes for...
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cholesterol
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0%
proteins
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0%
fatty acids
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0%
a sandwich
Q.11.
What determines the code, or information, of a DNA molecule?
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0%
the shape (structure) of the nitrogen bases
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0%
the order (sequence) of the nitrogen bases
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the color of the nitrogen bases
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0%
the frequency (number) of nitrogen bases
Q.12.
What is the relationship between a protein, the cell, and DNA?
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DNA is produced by protein which is produced in the cell
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0%
Protein is composed of DNA which is produced in the cell
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DNA controls the production of protein in the cell
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0%
A cell is composed of DNA and protein
Q.13.
Genes are found on...
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chromosomes
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0%
alleles
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0%
proteins
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0%
anthers
Q.14.
A change in the genetic code = ____
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0%
trait
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0%
genotype
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0%
phenotype
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0%
mutation
Q.15.
Nucleotides are made up of a sugar, phosphate, and..?
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0%
nitrogenous base
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0%
nucleic acid
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0%
cholesterol
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0%
fatty acid
Q.16.
What is the name of the subunit that builds a DNA polymer?
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Nucleotide
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0%
Nucleic acid
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0%
Nitrogenous base
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0%
Nucelosome
Q.17.
What does DNA stand for?
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Deoxyribonucleic acid
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0%
Denitrogenous acid
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0%
Deribonucleic acid
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0%
Diribonucleic acid
Q.18.
Why is the order of amino acids so important?
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0%
The order of amino acids dictates what shape the protein will fold into.
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0%
It is not important. The protein folding chamber will force the protein to fold into the correct shape.
Q.19.
This nucleic acid is single stranded
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0%
DNA
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0%
RNA
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0%
Both
Q.20.
DNA and RNA are macromolecules in the category of
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0%
Proteins
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0%
Lipids
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0%
Nucleic Acids
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0%
Carbohydrates