Quiz 4: Mutations
Help!
|
|
||||
|---|---|---|---|---|---|
| Explain why frameshift mutations have a greater effect than point mutations. | because point mutation only change a single codon(1 amino acid change), where frameshift mutations can affect the ENTIRE sequence after the mutation(many amino acid changes)
🗑
|
||||
| If GUA is changed to GUU, will the resulting protein be affected? | It would not be affected because they code for the same amino acid. (SILENT point mutation)
🗑
|
||||
| Explain how mutagen can cause genetic mutations in spite of your body's DNA repair enzymes? | Sometime mutagens cause so much damage, that the repair enzymes cannot keep up. (ex: UV sunlight radiation)
🗑
|
||||
| How could a mutated gene produce a shorter protein than that produce by the normal gene? | frameshift or point mutation may have changed one of the codons to a stop.
🗑
|
||||
| How does a frameshift mutation affect reading frame? | because framshift mutation involves the insertion or deletion of a letter in the sentence.
🗑
|
||||
|
🗑
|
Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
Created by:
jacquelinep2008