Bio 1010 - General Biology » Summer 2022 » Molecular Genetics Lab Quiz

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Question #1
The genes in the DNA store information about how to manufacture proteins. If we think of these instructions like a chocolate chip cookie recipe in a cookbook, which statement is the best analogy for transcription?
A.   copying the recipe onto an index card
B.   baking the cookies
C.   combining all the ingredients together
D.   the final product: a plate of cookies
E.   choosing which type of chocolate to use
Question #2
When a triplet of bases in the coding sequence of DNA is “GCA,” the corresponding codon for the mRNA that is transcribed from it is:
A.   TGC.
B.   CGT.
C.   UGC.
D.   GCA.
E.   CGU.
Question #3
In DNA, which nitrogenous base pairs with adenine?
A.   thymine
B.   cytosine
C.   guanine
D.   adenine
E.   deoxyribose
Question #4
A mutation that involves the addition, subtraction, or substitution of a single base is known as:
A.   a point mutation.
B.   polyploidy.
C.   gene flow.
D.   a chromosomal aberration.
E.   genetic drift.
Question #5
If a DNA strand has the base thymine (T), which base is added to the mRNA transcript?
A.   guanine (G)
B.   adenine (A)
C.   uracil (U)
D.   thymine (T)
E.   cytosine (C)
Question #6
_____ is a molecule that contains instructions for the functions of every cell and carries a record of evolutionary history.
A.   gene
B.   zygote
C.   nucleus
D.   DNA
E.   RNA
Question #7
Match the term with the correct cellular process or definition. A molecule containing genetic information
A.   Uracil
B.   DNA
C.   Ribosome
D.   mRNA
E.   tRNA
Question #8
Match the term with the correct cellular process or definition. RNA base that pairs with adenine
A.   Ribosome
B.   Thymine
C.   Uracil
D.   tRNA
E.   mRNA
Question #9
Match the term with the correct cellular process or definition. Carries amino acid to ribosomes
A.   DNA
B.   Ribosome
C.   mRNA
D.   tRNA
E.   Thymine
Question #10
Match the term with the correct cellular process or definition. The site of protein synthesis
A.   Ribosome
B.   mRNA
C.   Ribosome
D.   tRNA
E.   Uracil
Question #11
Match the term with the correct cellular process or definition. DNA base that pairs with adenine
A.   Ribosome
B.   Uracil
C.   Thymine
D.   mRNA
E.   tRNA
Question #12
Match the term with the correct cellular process or definition. Carries the genetic code to ribosomes
A.   DNA
B.   tRNA
C.   Thymine
D.   Ribosome
E.   mRNA

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