Test
Mutations - Mistakes Happen
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Preguntas del test (7)
1A mutation caused by an addition or deletion of nitrogen base is a
- Apoint mutation
- Bframe shift mutation
2How many chromosomes does a normal human cell have?
- A23
- B46
- C48
- D52
3Changing the sequence of nucleotides within a gene is known as
- Atransmission mistakes
- Bgene mutations
- Cchromosomal mutations
- Dtranscription mistakes
4Cancer is known as the uncontrollable dividing of cells; which statement appears to not support all the others in relation to the cause of cancer?
- Aone or more genes controlling the enzymes that control the cell cycle are changed.
- BA protein can no longer make the proper enzyme to halt the division of a cell.
- CThe segment of DNA that contains the gene to code for the proper enzyme has been changed.
- DGenes are not responsible for the ultimate causes of cancer.
5Which of the following changes would be expected if a CAUUUG sequences of bases mutated to CACUUG?
- Athe amino acid sequence would be shorter than expected
- Bthe identity of one amino acid would change
- Cthe identity of more than one amino acid would change
- Dthe amino acid sequence would remain unchanged
6Refer to the image for this question.
- AmRNA #1 and mRNA #2
- BmRNA#1 and mRNA#3
- CmRNA #3 and mRNA #2
- DThey are all the same
7 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.
- AVerdadero
- BFalso
Información
- Descripción
- (Protein Synthesis) Biology Test sobre Mutations - Mistakes Happen, creado por Christine Davis - IU8 el 01/08/2017.
- Idioma
- English
- Visitas
- 71
- Etiquetas
- Valoración
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