9693668
Beschreibung
Quiz von Christine Davis - IU8, aktualisiert more than 1 year ago
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Erstellt von Christine Davis - IU8
vor mehr als 7 Jahre
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Frage 1
Frage
A mutation caused by an addition or deletion of nitrogen base is a
Antworten
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point mutation
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frame shift mutation
Frage 2
Frage
How many chromosomes does a normal human cell have?
Antworten
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23
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46
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48
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52
Frage 3
Frage
Changing the sequence of nucleotides within a gene is known as
Antworten
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transmission mistakes
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gene mutations
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chromosomal mutations
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transcription mistakes
Frage 4
Frage
Cancer is known as the uncontrollable dividing of cells; which statement appears to not support all the others in relation to the cause of cancer?
Antworten
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one or more genes controlling the enzymes that control the cell cycle are changed.
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A protein can no longer make the proper enzyme to halt the division of a cell.
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The segment of DNA that contains the gene to code for the proper enzyme has been changed.
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Genes are not responsible for the ultimate causes of cancer.
Frage 5
Frage
Which of the following changes would be expected if a CAUUUG sequences of bases mutated to CACUUG?
Antworten
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the amino acid sequence would be shorter than expected
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the identity of one amino acid would change
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the identity of more than one amino acid would change
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the amino acid sequence would remain unchanged
Frage 6
Frage
Refer to the image for this question.
Antworten
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mRNA #1 and mRNA #2
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mRNA#1 and mRNA#3
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mRNA #3 and mRNA #2
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They are all the same
Frage 7
Frage
If the proteins above (from the mRNA sequences question) had an amino acid replaced with an amino acid with similar properties such as non-polar amino acid, the protein would most likely function the same.
Antworten
- True
- False
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