Download bio Chapter 13 PRETEST (mrk 2011)

bio Chapter 13 PRETEST (mrk 2011)
Multiple Choice
Identify the choice that best completes the statement or answers the question.
____
1. RNA contains the sugar
a. ribose.
b. deoxyribose.
c. glucose.
d. lactose.
____
2. Which of the following are found in both DNA and RNA?
a. ribose, phosphate groups, and adenine
b. deoxyribose, phosphate groups, and guanine
c. phosphate groups, guanine, and cytosine
d. phosphate groups, guanine, and thymine
Figure 13–1
____
3. Which nucleotide in Figure 13–1 indicates the nucleic acid above is RNA?
a. uracil
b. guanine
c. cytosine
d. adenine
____
4. Which of the following is true?
a. RNA is usually single-stranded.
b. DNA is usually single-stranded.
c. DNA contains uracil.
d. RNA contains thymine.
____
5. Which type of RNA brings the information in the genetic code from the nucleus to other parts of the cell?
a. rRNA
b. tRNA
c. mRNA
d. RNA polymerase
____
6. Which of the following is true of transcription?
a. In eukaryotes, transcription takes place in the cytoplasm and requires many enzymes.
b. RNA polymerase recognizes and binds to specific regions of the DNA called introns.
c. RNA editing removes the exons from pre-mRNA, leaving only the introns in the final
molecule.
d. RNA polymerase can make many molecules of RNA from a single DNA sequence.
____
7. Which of the following statements is true of eukaryotic DNA?
a. A promoter is part of an intron.
b. An intron is part of a promoter.
c. Introns are sequences of DNA.
d. Exons are edited out of pre-mRNA.
____
8. Which molecules are involved in protein synthesis?
a. transfer RNA, introns, and mutagens
b. messenger RNA, introns, and ribosomal RNA
c. ribosomal RNA, transfer RNA, and mutagens
d. messenger RNA, ribosomal RNA, and transfer RNA
____
9. What is produced during transcription?
a. RNA molecules
b. DNA molecules
c. RNA polymerase
d. proteins
Figure 13–2
____ 10. What does Figure 13–2 show?
a. anticodons
b. exons
c. introns
d. the genetic code
____ 11. How many nucleotides are needed to specify three amino acids?
a. 3
b. 6
c. 9
d. 12
____ 12. There are 64 codons and 20 amino acids. Which of the following is true?
a. Several different codons can specify the same amino acid.
b. Each codon specifies a different amino acid.
c. Some amino acids have no link to a codon.
d. Each amino acid is specified by only one codon.
Figure 13–3
____ 13. In Figure 13–3, which amino acid is specified by the mRNA code CCC?
a. Gly
b. Lys
c. Ala
d. Pro
____ 14. According to Figure 13–3, which code specifies the same amino acid as UAU?
a. UAC
b. UAA
c. UGC
d. UGU
____ 15. A promoter is a
a. binding site for DNA polymerase.
b. binding site for RNA polymerase.
c. start signal for replication.
d. stop signal for transcription.
____ 16. What happens during translation?
a. Messenger RNA is made from a DNA code.
b. The cell uses a messenger RNA code to make proteins.
c. Transfer RNA is made from a messenger RNA code.
d. Copies of DNA molecules are made.
____ 17. During translation, the type of amino acid that is added to the growing polypeptide depends on the
a. codon on the mRNA and the anticodon on the rRNA.
b. anticodon on the mRNA and the anticodon on the tRNA.
c. anticodon on the rRNA and the codon on the mRNA.
d. codon on the mRNA and the anticodon on the tRNA.
____ 18. Which of the following best describes the what happens during gene expression?
a. A cell reads the instructions in DNA and builds a protein based on those instructions.
b. A gene is copied many times so that all of a cell’s daughter cells will have their own copy.
c. The nucleus of a cell builds cellular proteins based on the sequence of the mRNA code.
d. A single gene leaves the nucleus of a cell and travels through the cytoplasm to the
membrane.
____ 19. In eukaryotes
a. Transcription takes place in the cytoplasm, and translation takes place in the nucleus.
b. Transcription takes place in the nucleus, and translation takes place in the cytoplasm.
c. Transcription and translation both take place in the nucleus.
d. Transcription and translation both take place in the cytoplasm.
____ 20. A mutation that involves one or a few nucleotides is called
a. a mutagen.
b. an inversion.
c. a point mutation.
d. a translocation.
____ 21. Which of the following is a chromosomal mutation?
a. inversion
b. insertion
c. point mutation
d. substitution
____ 22. Most mutations
a. have no effect on an organism.
b. are fatal to an organism.
c. are helpful to an organism.
d. are harmful to an organism.
____ 23. In E. coli, the lac operon controls the
a. breakdown of lactose.
b. production of lactose.
c. breakdown of glucose.
d. production of glucose.
____ 24. A lac repressor turns OFF the expression of the lac genes by
a. binding to the promoter.
b. DNA polymerase.
c. binding to the operator.
d. binding to the lac genes.
____ 25. Which is involved with the regulation of eukaryotic genes?
a. operon
b. DNA polymerase
c. TATA box
d. operator
____ 26. Which of the following is involved in regulating gene expression in prokaryotes, but not in eukaryotes?
a. operon
b. TATA box
c. promoter sequences
d. enhancer sequences
____ 27. Gene regulation in eukaryotes
a. usually involves operons.
b. is simpler than in prokaryotes.
c. allows for cell specialization.
d. includes the action of an operator region.
____ 28. Specialized cells regulate the expression of genes because they
a. do not want the genes to become worn out.
b. cannot control the translation of proteins.
c. do not carry the complete genetic code in their nuclei.
d. do not need the proteins that are specified by certain genes.
____ 29. Hox genes determine an animal’s
a. body plan.
b. size.
c. skin color.
d. eye color.
____ 30. In a multicellular organism, nerve cells are different from muscle cells because
a. each cell type has a unique set of transcription factors and repressors, so it expresses a
specific set of genes.
b. each type of cell within a multicellular organism contains a different set of genes.
c. random events within each cell regulate the expression of genes and result in different
genes being expressed in different cells.
d. cells gain and lose different genes during embryonic development, so each cell in an adult
only has some genes from the original set.
bio Chapter 13 PRETEST (mrk 2011)
Answer Section
MULTIPLE CHOICE
1. ANS:
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A
PTS: 1
DIF: L1
REF:
13.1.1 Contrast RNA and DNA.
TOP: Foundation Edition
knowledge
C
PTS: 1
DIF: L3
REF:
13.1.1 Contrast RNA and DNA.
BLM: analysis
A
PTS: 1
DIF: L1
REF:
13.1.1 Contrast RNA and DNA.
TOP: Foundation Edition
analysis
A
PTS: 1
DIF: L2
REF:
13.1.1 Contrast RNA and DNA.
BLM: knowledge
C
PTS: 1
DIF: L2
REF:
13.1.2 Explain the process of transcription.
TOP:
comprehension
D
PTS: 1
DIF: L2
REF:
13.1.2 Explain the process of transcription.
TOP:
knowledge
C
PTS: 1
DIF: L3
REF:
13.1.2 Explain the process of transcription.
BLM:
D
PTS: 1
DIF: L2
REF:
13.1.2 Explain the process of transcription.
TOP:
analysis
A
PTS: 1
DIF: L1
REF:
13.1.2 Explain the process of transcription.
TOP:
knowledge
D
PTS: 1
DIF: L2
REF:
13.2.1 Identify the genetic code and explain how it is read.
knowledge
C
PTS: 1
DIF: L2
REF:
13.2.1 Identify the genetic code and explain how it is read.
Foundation Edition
BLM: application
A
PTS: 1
DIF: L3
REF:
13.2.1 Identify the genetic code and explain how it is read.
evaluation
D
PTS: 1
DIF: L2
REF:
13.2.1 Identify the genetic code and explain how it is read.
application
A
PTS: 1
DIF: L3
REF:
13.2.1 Identify the genetic code and explain how it is read.
application
B
PTS: 1
DIF: L1
REF:
13.1.2 Explain the process of transcription.
TOP:
knowledge
B
PTS: 1
DIF: L2
REF:
p. 362
p. 362
p. 366
p. 362
p. 363
Foundation Edition
p. 364
Foundation Edition
p. 365
synthesis
p. 363
Foundation Edition
p. 364
Foundation Edition
p. 367
p. 366
p. 367
p. 367
p. 367
p. 365
Foundation Edition
p. 368
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13.2.2 Summarize the process of translation.
TOP: Foundation Edition
comprehension
D
PTS: 1
DIF: L3
REF: p. 368 | p. 369
13.2.2 Summarize the process of translation.
BLM: synthesis
A
PTS: 1
DIF: L2
REF: p. 370
13.2.3 Describe the "central dogma" of molecular biology.
Foundation Edition
BLM: comprehension
B
PTS: 1
DIF: L2
REF: p. 364 | p. 368
13.2.3 Describe the "central dogma" of molecular biology.
knowledge
C
PTS: 1
DIF: L1
REF: p. 373 | p. 374
13.3.1 Define mutations and describe the different types of mutations.
Foundation Edition
BLM: knowledge
A
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DIF: L2
REF: p. 374
13.3.1 Define mutations and describe the different types of mutations.
Foundation Edition
BLM: knowledge
A
PTS: 1
DIF: L1
REF: p. 375 | p. 376
13.3.2 Describe the effects mutations can have on genes. TOP: Foundation Edition
knowledge
A
PTS: 1
DIF: L2
REF: p. 378
13.4.1 Describe gene regulation in prokaryotes.
TOP: Foundation Edition
knowledge
C
PTS: 1
DIF: L2
REF: p. 378
13.4.1 Describe gene regulation in prokaryotes.
TOP: Foundation Edition
application
C
PTS: 1
DIF: L1
REF: p. 378 | p. 379
13.4.2 Explain how most eukaryotic genes are regulated. TOP: Foundation Edition
synthesis
A
PTS: 1
DIF: L1
REF: p. 377
13.4.2 Explain how most eukaryotic genes are regulated. TOP: Foundation Edition
knowledge
C
PTS: 1
DIF: L2
REF: p. 380
13.4.2 Explain how most eukaryotic genes are regulated. TOP: Foundation Edition
analysis
D
PTS: 1
DIF: L3
REF: p. 377
13.4.3 Relate gene regulation to development in multicellular organisms.
synthesis
A
PTS: 1
DIF: L1
REF: p. 382
13.4.3 Relate gene regulation to development in multicellular organisms.
Foundation Edition
BLM: knowledge
A
PTS: 1
DIF: L2
REF: p. 381
13.4.3 Relate gene regulation to development in multicellular organisms.
Foundation Edition
BLM: analysis