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.   the final product: a plate of cookies
B.   baking the cookies
C.   copying the recipe onto an index card
D.   combining all the ingredients together
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.   CGT.
B.   CGU.
C.   UGC.
D.   GCA.
E.   TGC.
Question #3
In DNA, which nitrogenous base pairs with adenine?
A.   cytosine
B.   adenine
C.   deoxyribose
D.   thymine
E.   guanine
Question #4
A mutation that involves the addition, subtraction, or substitution of a single base is known as:
A.   a chromosomal aberration.
B.   gene flow.
C.   genetic drift.
D.   a point mutation.
E.   polyploidy.
Question #5
If a DNA strand has the base thymine (T), which base is added to the mRNA transcript?
A.   adenine (A)
B.   cytosine (C)
C.   guanine (G)
D.   uracil (U)
E.   thymine (T)
Question #6
_____ is a molecule that contains instructions for the functions of every cell and carries a record of evolutionary history.
A.   zygote
B.   gene
C.   DNA
D.   RNA
E.   nucleus
Question #7
Match the term with the correct cellular process or definition. A molecule containing genetic information
A.   Ribosome
B.   tRNA
C.   DNA
D.   mRNA
E.   Uracil
Question #8
Match the term with the correct cellular process or definition. RNA base that pairs with adenine
A.   mRNA
B.   tRNA
C.   Thymine
D.   Ribosome
E.   Uracil
Question #9
Match the term with the correct cellular process or definition. Carries amino acid to ribosomes
A.   tRNA
B.   DNA
C.   Ribosome
D.   mRNA
E.   Thymine
Question #10
Match the term with the correct cellular process or definition. The site of protein synthesis
A.   Ribosome
B.   Ribosome
C.   tRNA
D.   mRNA
E.   Uracil
Question #11
Match the term with the correct cellular process or definition. DNA base that pairs with adenine
A.   mRNA
B.   Uracil
C.   tRNA
D.   Thymine
E.   Ribosome
Question #12
Match the term with the correct cellular process or definition. Carries the genetic code to ribosomes
A.   DNA
B.   Thymine
C.   mRNA
D.   Ribosome
E.   tRNA

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