Download Name

Name: _________________________________________________ Date: ______________ Period: _____
DNA and Transcription Tutorial
Directions: Start the program titled “DNA and Transcription tutorial.” Press the F5button to start the tutorial.
Do not use the keyboard during this tutorial. It will interfere with the timing mechanisms of the slideshow.
Click “START FROM BEGINNING”
Genes and DNA
1. What is a gene? ____________________________________________________________________
2. How many genes do humans contain? __________________________________________________
3. Proteins are made from smaller units called _____________________________________________.
Genes
4. What is created from the instructions found within genes? __________________________________
5. Where are genes located? ____________________________________________________________
6. Which organelle creates proteins? _____________________________________________________
Meet Melissa
7. What is Melissa’s task? ______________________________________________________________
8. What do construction blue-prints contain? _______________________________________________
9. What do genes contain? _____________________________________________________________
10. A gene is a small section of _________________________.
Transcription
11. Define TRANSCRIPTION.
_________________________________________________________________________________
12. Where is DNA stored? ______________________________________________________________
13. What is the function of RNA polymerase?
_________________________________________________________________________________
14. Which type of organic molecule is RNA polymerase? ______________________________________
15. What happens once the entire strand of DNA has been separated?
_________________________________________________________________________________
Transcription Rules
16. Fill in the transcription table below.
DNA
A
T
C
G
mRNA
Predicting Transcription
17. Perform transcription and click on the proper RNA base that will match with the given DNA base.
DNA
T
A
C
A
G
G
T
mRNA
18. In order, list 3 things that happen once the mRNA is created.
a. ___________________________________________________________________________
b. ___________________________________________________________________________
c. ___________________________________________________________________________
Fate of the DNA
19. After the mRNA is created, what happens to the separated DNA? ____________________________
The Final Stage
20. Why is a fax a good analogy to mRNA? ________________________________________________
_________________________________________________________________________________
21. What is the construction site of a protein? _______________________________________________
22. Which process begins at the ribosome? _________________________________________________
23. Define TRANSLATION. ____________________________________________________________
Review Questions
1. What will eventually be created by the DNA code of a gene? ________________________________
2. RNA polymerase separates DNA at the start of which process? ______________________________
3. RNA polymerase is a type of which organic molecule? _____________________________________
4. Which shows the process of transcription done properly?
DNA
A
C
C
G
T
T
A
T
mRNA
5. After exiting the nucleus, where will the finished mRNA travel? _____________________________
6. Once arriving at the ribosome, which process will begin next? _______________________________
Name: ___________________________________________________________ Date: _______________ Period: ______
Translation Tutorial
Directions: Open the PowerPoint titled “Translation Tutorial” and press the F5 button to start. Place your keyboard aside
(if possible) and only use the mouse.
Translation
1. What happens at the ribosome? _________________________________________________________________
2. Define TRANSLATION.
___________________________________________________________________________________________
Transcription Review
3. Where inside a cell does transcription take place? ___________________________________________________
4. What is the job of RNA polymerase? ______________________________________________________________
5. Which type of organic molecule is RNA polymerase? _________________________________________________
6. What attaches to the DNA once it has been separated? ______________________________________________
7. Where does mRNA travel after exiting the nucleus? _________________________________________________
Translation Process
8. What are three consecutive mRNA nucleotides called? _______________________________________________
9. How many codons are shown in the picture? _______________________________________________________
10. What is created from a series of amino acids? ______________________________________________________
The Genetic Code: When needed, use the chart below to answer various questions that follow.
AUG Codon
11. Which amino acid matches with the AUG codon? ___________________________________________________
12. What is unique about the AUG codon besides matching for Methionine? ________________________________
CCA Codon
13. Which amino acid matches with the CCA codon? ___________________________________________________
14. What do the STOP codons do? __________________________________________________________________
15. List the three STOP codons.
a. _________________
b. _________________
c. _________________
Transfer RNA
16. What is the role of tRNA? ______________________________________________________________________
17. Where can the tRNA and amino acids be found? ____________________________________________________
Watching the Process
18. Which organelle begins to read the mRNA? ________________________________________________________
19. AUG = which amino acid? ______________________________________________________________________
20. Who/what delivers the amino acids to the ribosome? ________________________________________________
21. CCA = which amino acid? ______________________________________________________________________
22. UAU = which amino acid? ______________________________________________________________________
23. GGC = which amino acid? ______________________________________________________________________
24. When finished, how many amino acids are most proteins? ____________________________________________
25. Finished proteins are exported from the cell by which organelle? ______________________________________
Final Review Questions
26. Review #1: Which process creates the mRNA that is read by the ribosome? ______________________________
27. Review #2: What does tRNA deliver to the ribosome? ________________________________________________
28. Review #3: Which molecule directly determines which amino acid transfer RNA delivers to the ribosome? _____
29. Review #4: Where does the process of translation take place? _________________________________________
30. Review #5: If the DNA code was TTC-AAT-GGC, perform transcription to determine the mRNA code.
___________________________________________________________________________________________
31. Review #6: If the mRNA code is AAG-UUA-CCG, which three amino acids are going to be delivered to the
ribosome? __________________________________________________________________________________