Transcription Activity (Flow of Genetic Information Kit)
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Last updated 3 months ago
16 questions
The expectation is that you and your partners work together to complete this activity. Read all of the directions. Discuss all of the questions. Ask for help if you need it.
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Question 1
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How many possible triplet codes can be generated from these four base letters? There is a hint available if you need it.
Question 2
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Question 3
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Question 4
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Question 5
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Question 6
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Question 7
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Question 8
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Question 9
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Question 10
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Corresponding Item
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Question 11
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Question 12
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Question 13
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Question 14
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Question 15
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Question 16
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Given that there are more possible combinations for amino acids than amino acids themselves, what does this imply about the number of codes for each amino acid?
some amino acids have more than one triplet code
all of the amino acids have just one triplet code
some of the triplet codes are not used
Why can’t DNA leave the nucleus? (select the 2 correct choices)
It is too large to pass through the nuclear pores
it could get locked out of the nucleus
because that would risk it getting damaged
Discuss the answer to this question with your partners. We discussed this question and...
we are comfortable with our answers
we are not comfortable with our answers and would like help
Which carbon contains the extra oxygen in the RNA molecule?
1'
2'
3'
5'
A
C
G
T
T
G
C
A
Use the foam pieces to build the double stranded DNA sequence shown in question 7. Follow the directions on this page.
We are confident that we built this molecule correctly
We are not confident that we did this correctly and would like you to check our work
Recalling the lesson on DNA structure, identify the type of bond that holds the two strands of DNA together.
covalent
hydrogen
ionic
Discuss the answer to this question with your partners. We discussed this question and...
we are comfortable with our answers
we are not comfortable with our answers and would like help
Go back to the picture on page 4 to determine how to label each strand.
non-template strand
arrow on top
template strand
arrow on bottom
What will happen when RNA polymerase acts on DNA?
RNA polymerase forms hydrogen bonds between the DNA bases to open up the DNA
RNA polymerase breaks the hydrogen bonds between the DNA base pairs to open up the DNA
RNA polymerase will remove DNA nucleotides and replace them with RNA nucleotides
Same question worded differently: The mRNA that you will build contains a start codon near its 5' end. What DNA triplet in the DNA template strand is complementary to the start codon?
3'-AUG-5'
3'-TAC-5'
5'-TAC-3'
5'-AUG-3'
What mRNA codon is complementary to 3'-TAC-5'?
5'-UAC-3'
3'-ATG-5'
3'-TAC-5'
5'-AUG-3'
Complete the transcription step. Save the mRNA strand for the next activity.
we are confident that we did this step correctly
we are not confident that we did this correctly and would like help
What type of bond is broken when mRNA separates from DNA and what characteristic of this bond allows for this separation? (select the 2 correct choices)
hydrogen
weak
covalent
strong
After it is transcribed, mRNA must travel through a _____ to enter the cytoplasm
