Ch. 10 Exam Review ____ 1. Each organism has a

unique combination of characteristics encoded in molecules ofa. protein. c.carbohydrates.b. enzymes. d. DNA.

____ 2. Molecules of DNA are composed of long chains ofa. amino acids.b. fatty acids.c. monosaccharides.d. nucleotides.

What are the key words?

Ch. 10 Exam Review _D_ 1. Each organism has a

unique combination of characteristics encoded in molecules ofa. protein. c.carbohydrates.b. enzymes. d. DNA.

_D_ 2. Molecules of DNA are composed of long chains ofa. amino acids.b. fatty acids.c. monosaccharides.d. nucleotides.

What are the key words?

Unique, encoded, molecules

Molecules of DNA

Ch. 10 Exam Review

____ 3. A nucleotide consists ofa. a sugar, a protein, and adenine.b. a sugar, an amino acid, and starch.c. a sugar, a phosphate group, and a nitrogen-containing base.d. a starch, a phosphate group, and a nitrogen-containing base.

What are the parts of a nucleotide?

Ch. 10 Exam Review

__C_ 3. A nucleotide consists ofa. a sugar, a protein, and adenine.b. a sugar, an amino acid, and starch.c. a sugar, a phosphate group, and a nitrogen-containing base.d. a starch, a phosphate group, and a nitrogen-containing base.

What are the parts of a nucleotide?

Ch. 10 Exam Review

____ 4. Refer to the illustration above. The entire molecule shown in the diagram is called a(n)a. amino acid. c. polysaccharide.b. nucleotide. d. pyrimidine.

____ 5. The base-pairing rules state that the following are base pairs in DNA:a. adenine-thymine; uracil-cytosine.b. adenine-thymine;guanine-cytosine.c. adenine-guanine;thymine-cytosine.d. uracil-thymine; guanine-cytosine.

Can number 4 for help you answer another question?

Write the pairs on the test.

Ch. 10 Exam Review

__B_ 4. Refer to the illustration above. The entire molecule shown in the diagram is called a(n)a. amino acid. c. polysaccharide.b. nucleotide. d. pyrimidine.

__B_ 5. The base-pairing rules state that the following are base pairs in DNA:a. adenine-thymine; uracil-cytosine.b. adenine-thymine;guanine-cytosine.c. adenine-guanine;thymine-cytosine.d. uracil-thymine; guanine-cytosine.

Can number 4 for help you answer another question?

Write the pairs on the test.

Ch. 10 Exam Review

____6. ATTG : TAAC ::a. AAAT : TTTG c.GTCC : CAGGb. TCGG : AGAT d.CGAA : TGCG

____ 7. During DNA replication, a complementary strand of DNA is made for each original DNA strand. Thus, if a portion of the original strand is CCTAGCT, then the new strand will bea. TTGCATG. c. CCTAGCT.b. AAGTATC. d. GGATCGA.

____8. RNA differs from DNA in that RNAa. is sometimes single-stranded.b. contains a different sugar molecule.c. contains the nitrogen base uracil.d. All of the above

6. Is this replication or transcription? How can you tell?

7. Key word:

8. Different how?

Ch. 10 Exam Review

__C_6. ATTG : TAAC ::a. AAAT : TTTG c.GTCC : CAGGb. TCGG : AGAT d.CGAA : TGCG

__D_ 7. During DNA replication, a complementary strand of DNA is made for each original DNA strand. Thus, if a portion of the original strand is CCTAGCT, then the new strand will bea. TTGCATG. c. CCTAGCT.b. AAGTATC. d. GGATCGA.

__D_8. RNA differs from DNA in that RNAa. is sometimes single-stranded.b. contains a different sugar molecule.c. contains the nitrogen base uracil.d. All of the above

6. Is this replication or transcription? How can you tell? Replication, A-T

7. Key word: replication

8. Different how? all

Ch. 10 Exam Review

____ 9.Which of the following is not found in DNA?a. adenineb. cytosinec. uracild. None of the above

Ch. 10 Exam Review

__C_ 9.Which of the following is not found in DNA?a. adenineb. cytosinec. uracild. None of the above

Ch. 10 Exam Review

____ 10. Refer to the illustration above. What is the portion of the protein molecule coded for by the piece of mRNA shown in the diagram?a. Ser—Tyr—Arg—Gly c. Leu—Lys—Cys—Pheb. Val—Asp—Pro—His d. Pro—Glu—Leu—Val

____ 11. Which of the following would represent the strand of DNA from which the mRNA strand in the diagram was made?a. CUCAAGUGCUUC c. GAGTTCACGAAGb. GAGUUCACGAAG d. AGACCTGTAGGA

____ 12. Refer to the illustration above. The anticodons for the codons in the mRNA in the diagram area. GAG—UUC—ACG—AAG. b. GAG—TTC—ACG—AAG.c. CUC—GAA—CGU—CUU.d. CUU—CGU—GAA—CUC.

mRNA: CUCAAGUGCUUC

Ch. 10 Exam Review

__C_ 10. Refer to the illustration above. What is the portion of the protein molecule coded for by the piece of mRNA shown in the diagram?a. Ser—Tyr—Arg—Gly c. Leu—Lys—Cys—Pheb. Val—Asp—Pro—His d. Pro—Glu—Leu—Val

__C_ 11. Which of the following would represent the strand of DNA from which the mRNA strand in the diagram was made?a. CUCAAGUGCUUC c. GAGTTCACGAAGb. GAGUUCACGAAG d. AGACCTGTAGGA

__A_ 12. Refer to the illustration above. The anticodons for the codons in the mRNA in the diagram area. GAG—UUC—ACG—AAG. b. GAG—TTC—ACG—AAG.c. CUC—GAA—CGU—CUU.d. CUU—CGU—GAA—CUC.

mRNA: CUC AAG UGC UUC

Ch. 10 Exam Review

____ 13. During transcriptiona. proteins are synthesized. b. DNA is replicated.c. RNA is produced.d. translation occurs.

____ 14. Each nucleotide triplet in mRNA that specifies a particular amino acid is called aa. mutagen. c. anticodon.b. codon. d. exon.

Key words:

Ch. 10 Exam Review

__C_ 13. During transcriptiona. proteins are synthesized. b. DNA is replicated.c. RNA is produced.d. translation occurs.

__B_ 14. Each nucleotide triplet in mRNA that specifies a particular amino acid is called aa. mutagen. c. anticodon.b. codon. d. exon.

Key words:Transcription

Triplet in mRNA

Ch. 10 Exam Review

____ 15. Suppose that you are given a polypeptide sequence containing the following sequence of amino acids: tyrosine, proline, aspartic acid, isoleucine, and cysteine. Use the portion of the genetic code given in the table below to determine the DNA sequence that codes for this polypeptide sequence.

a. AUGGGUCUAUAUACGb. ATGGGTCTATATACGc. GCAAACTCGCGCGTAd. ATAGGGCTTTAAACA

____ 16.Each of the following is a type of RNA excepta. carrier RNA. c.ribosomal RNA.b. messenger RNA. d.transfer RNA.

mRNA Amino acid

UAU, UAC tyrosine

CCU, CCC, CCA, CCG proline

GAU, GAC aspartic acis

AUU, AUC, AUA isoleucine

UGU, UGC cysteine

Ch. 10 Exam Review

__B_ 15. Suppose that you are given a polypeptide sequence containing the following sequence of amino acids: tyrosine, proline, aspartic acid, isoleucine, and cysteine. Use the portion of the genetic code given in the table below to determine the DNA sequence that codes for this polypeptide sequence.

a. AUGGGUCUAUAUACGb. ATGGGTCTATATACGc. GCAAACTCGCGCGTAd. ATAGGGCTTTAAACA

__A_ 16.Each of the following is a type of RNA excepta. carrier RNA. c.ribosomal RNA.b. messenger RNA. d.transfer RNA.

mRNA Amino acid

UAU, UAC tyrosine

CCU, CCC, CCA, CCG proline

GAU, GAC aspartic acis

AUU, AUC, AUA isoleucine

UGU, UGC cysteine

Ch. 10 Exam Review

17. A DNA subunit composed of a phosphate group, a five-carbon sugar, and a nitrogen-containing base is called a(n) ____________________.

18. The name of the five-carbon sugar that makes up a part of the backbone of molecules of DNA is ____________________.

19. Knowing the order of the bases in a gene permits scientists to determine the exact order of the amino acids in the expressed ____________________.

20. Due to the strict pairing of nitrogen base pairs in DNA molecules, the two strands are said to be ____________________ to each other.

Ch. 10 Exam Review

17. A DNA subunit composed of a phosphate group, a five-carbon sugar, and a nitrogen-containing base is called a(n) ___nucleotide___.

18. The name of the five-carbon sugar that makes up a part of the backbone of molecules of DNA is __deoxyribose___.

19. Knowing the order of the bases in a gene permits scientists to determine the exact order of the amino acids in the expressed ____protein__.

20. Due to the strict pairing of nitrogen base pairs in DNA molecules, the two strands are said to be ____complementary___ to each other.

Ch. 10 Exam Review

21. According to base-pairing rules, adenine pairs with ____________________ and guanine pairs with ____________________.

22. Messenger RNA is produced during the process of ____________________.

23. Of the 64 codons of mRNA, 61 code for ____________________, 3 are ____________________ signals, and one is a ____________________ signal.

24. The information contained in a molecule of messenger RNA is used to make protein during the process of ____________________.

Ch. 10 Exam Review

21. According to base-pairing rules, adenine pairs with __thymine__ and guanine pairs with ___cytosine______.

22. Messenger RNA is produced during the process of _____transcription___.

23. Of the 64 codons of mRNA, 61 code for ___amino acids__, 3 are _______stop_____ signals, and one is a _____start_________ signal.

24. The information contained in a molecule of messenger RNA is used to make protein during the process of _____translation___.

Ch. 10 Exam Review

25. The DNA molecule is described as a double helix. Describe the meaning of this expression and the general structure of a DNA molecule. Write your answer in the space below.

Ch. 10 Exam Review

25. The DNA molecule is described as a double helix. Describe the meaning of this expression and the general structure of a DNA molecule. Write your answer in the space below.

A: B: Unique to A Common to both Unique to B