Biology 101 - Elements of Biology » Spring 2020 » Genetically Modified Foods Module Quiz

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Question #1
Arrange the following terms from largest to smallest: chromosome, gene, genome, nucleotide
A.   nucleotide, gene, genome, chromosome
B.   genome, chromosome, gene, nucleotide
C.   chromosome, genome, gene, nucleotide
D.   nucleotide, gene, chromosome, genome 
E.   chromosome, gene, genome, nucleotide
Question #2
An important difference between mRNA and DNA is:
A.   DNA can move outside of the cell, while mRNA stays inside the cell.
B.   mRNA can move outside of the cell, while DNA stays inside the cell.
C.   DNA can move throughout the cell, while mRNA stays in the nucleus.
D.   mRNA can move throughout the cell, while DNA stays in the cytosol. 
E.   mRNA contains uracil instead of thymine, which is found in DNA.
Question #3
If 15% of a particular DNA strand are nucleotides containing cytosine, what percentage of the DNA molecule would contain thymine?
A.   35% 
B.   25%
C.   15%
D.   70%
E.   85%
Question #4
In bacteria, the antibiotic tetracycline blocks the site where tRNA molecules enter the ribosome.  The MOST likely reason the bacteria die from treatment with tetracycline is because the antibiotic:
A.   causes the tRNA molecules to randomly arrange into proteins that do not function.
B.   inhibits the cell from producing the mRNA
C.   causes tRNA rather than mRNA to be made into proteins.
D.   prevents the bacteria from assembling essential proteins. 
Question #5
Select ALL of the following that apply to transcription.,,
A.   occurs in the cytoplasm 
B.   occurs in the nucleus 
C.   produces a mRNA strand 
D.   requires RNA polymerase 
E.   involves the ribosome
F.   produces an amino acid chain
Question #6
An mRNA molecule that is 99 bases long will create a protein composed of:
A.   99 amino acids
B.   33 amino acids 
C.   33 nucleotides
D.   99 nucleotides
Question #7
A given section of DNA with the sequence GTTAATGGC is transcribed. What is the corresponding sequence on the mRNA transcription?
A.   CAATTACCG
B.   CAAUUACCG 
C.   GUUAAUGGC
D.   GAATTAGGC
Question #8
A nucleotide substitution is generally more harmful to an organism than a nucleotide deletion.
A.   TRUE
B.   FALSE
Question #9
A product with the non-GMO Project seal means: (Select all that apply),,
A.   It does not contain any of the high risk ingredients that are common genetically modified. 
B.    It is 100% organic.
C.   The product is guaranteed not to contain any ingredients that have been genetically modified.
D.   Ingredients that are likely to be genetically modified have been tested. 
E.   The makers of the product have used techniques that would exclude the use of genetically modified ingredients.
Question #10
Bt toxin is considered to be _______________________.,,
A.   an organic insecticide produced by bacteria 
B.   a gene for modifying insect DNA
C.   useful for human to fight against insects
D.   a bacteria with natural defenses against insection
E.   a recombinant protein 
Question #11
The genes inserted into the AquaBounty salmon increase the production of growth hormone, allow it to grow year round and increase it's nutrition content.
A.   FALSE
B.   TRUE
Question #12
The USDA 100% organic seal means that the product has not been genetically altered using classical breeding or genetic engineering.
A.   TRUE
B.   FALSE

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