chapter 17 guided reading

8/9/2019 Chapter 17 Guided Reading

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AP Biology Name _________________________ Chapter 17 Guided Reading AssignmentModified from S. Sharp’s Modification of L. Miriello

1. What did Garrod mean by “inborn errors of metabolism?”

2. Describe the Beadle and Tatm e!periment "ith mold in detail # se the dia$ram belo" tohelp. The lo$ic behind both the e!periment and the reslts are critical.

3. What "as Beadle and Tatm’s final hypothesis?



4. %se the dia$ram belo" to note the flo" of $enetic information in a e&aryotic cell # ne!t toeach label in the s'are # "rite the definition of the term.

5. Why does the “code” ha(e to be in triplets and not sin$les or dobles?

6. What is the template strand?

7. )ompare and contrast the codon and anticodon?



8. *o" did +irenber$ “fi$re ot” "hich amino acids "ent "ith "hich codes?

9. What is the readin$ frame?

10. What conclsions can be dra"n from the similarities of the $enetic code amon$ li(in$or$anisms?

11. %se the dia$ram belo" to nderstand transcription, Define all terms.

12.

Describe the pro&aryotic promoter and terminator.



13. %se the dia$ram belo" to demonstrate initiation of transcription at a e&aryotic promoter.Write definition of all terms in dia$ram.

14. )ontrast termination of transcription for pro&aryotic and e&aryotic or$anisms.

15. Why is -+ processin$ necessary?

16. What does addin$ a /’ cap and poly tail mean and "hy is it important?



17. Define the follo"in$ terms,a. -+ splicin$

b. 0ntrons

c. 1!ons

d. Spliceosome

e. sn-+2’s

f. ribo3ymes

$. %T-

h. lternati(e -+ splicin$

i. domains

18. Describe the strctre and fnction of transfer -+.

19. Why is the en3yme aminoacyl4t-+ synthetase important to translation and protein synthesis?

20. What is “"obble”?



21. Describe the strctre and fnction on ribosomal -+ # se the dia$ram belo".

22. Detail the steps of initiation of translation.



23. %se the dia$ram belo" to detail elon$ation cycle of translation. Define terms.

24. What are polyribosomes?

25. What is an e!ample of a post translational modification of a protein?



26. %se the dia$ram belo" to hi$hli$ht the si$nal mechanism for tar$etin$ proteins to the 1-.

27. Define the follo"in$ terms,a. Mtations

b. 2oint mtations

c. Base pair sbstittion

d. Missense

e. +onsense

f. 0nsertions

$. Deletions

h. 5rameshift mtation

i. Mta$en

28. *o" has a $ene been “redefined” and "hy?

chapter 17 guided reading

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