1. Test Review

2. DNA is  Hereditary material that is passed from parents to offspring  Made up of nucleotides  The instructions for making proteins  All of the above

3. DNA is  Hereditary material that is passed from parents to offspring  Made up of nucleotides  The instructions for making proteins  All of the above

4. Rosalind Franklin  Determined that the amount of adenine is always equal to the amount of thymine  Viewed DNA using x-rays and said it had a spiral shape  Discovered that genes are located on chromosomes  Built the first model of DNA

5. Rosalind Franklin  Determined that the amount of adenine is always equal to the amount of thymine  Viewed DNA using x-rays and said it had a spiral shape  Discovered that genes are located on chromosomes  Built the first model of DNA

6. DNA is made up of subunits called  Amino acids  Nucleotides  Proteins  All of the above

7. DNA is made up of subunits called  Amino acids  Nucleotides  Proteins  All of the above

8. Every nucleotide is made up of  A sugar, a phosphate, and a base  A sugar, a phosphate, and a protein  A sugar, a phosphate, and adenine  A sugar, a phosphate, and a base pair

9. Every nucleotide is made up of  A sugar, a phosphate, and a base  A sugar, a phosphate, and a protein  A sugar, a phosphate, and adenine  A sugar, a phosphate, and a base pair

10. The four bases found in DNA are  Adenine, cytoplasm, guanine, and telophase  Adenine, cytosine, guanine, and thymine  Adenine, cytosine, guanine, and phosphate  First, second, third, and home

11. The four bases found in DNA are  Adenine, cytoplasm, guanine, and telophase  Adenine, cytosine, guanine, and thymine  Adenine, cytosine, guanine, and phosphate  First, second, third, and home

12. Any change in the order of bases in DNA are called  Mutagens  Mutants  Mutations  Improvements

13. Any change in the order of bases in DNA is called  Mutagens  Mutants  Mutations  Improvements

14. Every three bases code for one  Amino acid  Nucleotide  Protein  Deletion

15. Every three bases code for one  Amino acid  Nucleotide  Protein  Deletion

16. Chargaff’s Rules state that  A=T and C=G  A=C and T=G  Adenine always pairs up with Thymine, and Cytosine always pairs up with Guanine  Adenine always pairs up with guanine and Thymine always pairs up with Cytosine

17. Chargaff’s Rules state that  A=T and C=G  A=C and T=G  Adenine always pairs up with Thymine, and Cytosine always pairs up with Guanine  Adenine always pairs up with guanine and Thymine always pairs up with Cytosine

18. The “twisted ladder” structure of DNA is known as a  Nucleotide  Mutation  Double helix  All of the above

19. The “twisted ladder” structure of DNA is known as a  Nucleotide  Mutation  Double helix  All of the above

20. Adenine is a nitrogen base that always pairs with  Cytosine  Guanine  Thymine  Phosphates

21. Adenine is a nitrogen base that always pairs with  Cytosine  Guanine  Thymine  Phosphates

22. The “rungs” in a DNA strand are made up of  Deoxyribose  Phosphates  Amino acids  Base pairs

23. The “rungs” in a DNA strand are made up of  Deoxyribose  Phosphates  Amino acids  Base pairs

24. What would be the complementary DNA strand for the sequence AATCGTAC?  AATCGTAC  CATGCTAA  TTAGCATG  GTACGATT

25. What would be the complementary DNA strand for the sequence AATCGTAC?  AATCGTAC  CATGCTAA  TTAGCATG  GTACGATT

26. Which of the following is a type of mutation?  Insertion  Deletion  Substitution  All of the above

27. Which of the following is a type of mutation?  Insertion  Deletion  Substitution  All of the above

28. Watson and Crick  Discovered how traits are passed from parents to offspring  Built a model of DNA  Used x-rays to see the shape of DNA  Found that A=T and C=G

29. Watson and Crick  Discovered how traits are passed from parents to offspring  Built a model of DNA  Used x-rays to see the shape of DNA  Found that A=T and C=G

30. Guanine is a nitrogen base that pairs with  Adenine  Cytosine  Thymine  Phosphates

31. Guanine is a nitrogen base that pairs with  Adenine  Cytosine  Thymine  Phosphates

32. Which statement best describes how DNA replicates?  The sugars and phosphates from one side are removed and new bases are added on to the sugars.  The DNA opens up in the middle of the base pairs and each side is used as a template to form a new strand  Bases are added on to the end of the DNA strand

33. Which statement best describes how DNA replicates?  The sugars and phosphates from one side are removed and new bases are added on to the sugars.  The DNA opens up in the middle of the base pairs and each side is used as a template to form a new strand  Bases are added on to the end of the DNA strand

34. The original base sequence AACCTTGG changes to AACCCTTGG. This type of mutation is called  Addition  Insertion  Deletion  Substitution

35. The original base sequence AACCTTGG changes to AACCCTTGG. This type of mutation is called  Addition  Insertion  Deletion  Substitution

36. Which of the following is a deletion mutation of the original strand AACCTTGG?  AACCTTTGG  AACCTGG  AACTTTGG  ACCCTTGG

37. Which of the following is a deletion mutation of the original strand AACCTTGG?  AACCTTTGG  AACCTGG  AACTTTGG  ACCCTTGG

38. In the type of mutation called substitution  An extra base is added to the base sequence  A base is taken out of the base sequence  One base is replaced with another base  There is no change to the bases

39. In the type of mutation called substitution  An extra base is added to the base sequence  A base is taken out of the base sequence  One base is replaced with another base  There is no change to the bases

40. Mutations result in  Changes that are harmful  Changes that are helpful  No change at all  All of the above

41. Mutations result in  Changes that are harmful  Changes that are helpful  No change at all  All of the above

42. List three examples of a mutagen

43.  X-rays  UV rays  Asbestos  Cigarette smoke

44. True or false: DNA cannot be repaired if a mutation occurs  True  False

45. True or false: DNA cannot be repaired if a mutation occurs  True  False

46. How many amino acids are coded for in the base sequence ATGCGATCCGAC?  One  Two  Three  four

47. How many amino acids are coded for in the base sequence ATGCGATCCGAC?  One  Two  Three  four