We have sent an email with your new password.

Close this window

ChAPter 16-17 Test - AP Biology

98 Questions  I  By Muitran
chAPter 16-17 test - AP biology

  
Changes are done, please start the quiz.


Question Excerpt

Removing question excerpt is a premium feature

Upgrade and get a lot more done!
1.  For a couple of decades, biologists knew the nucleus contained DNA and proteins. The prevailing opinion was that the genetic material was proteins, and not DNA. The reason for this belief was that proteins are more complex than DNA.  This is because
A.
B.
C.
D.
E.
2.  In his transformation experiments, Griffith observed that
A.
B.
C.
D.
E.
3.  What does transformation involve in bacteria?
A.
B.
C.
D.
E.
4.  Avery and his colleagues purified various chemicals from pathogenic bacteria and showed that ________ was (were) the transforming agent.
A.
B.
C.
D.
E.
5.  Tobacco mosaic virus has RNA rather than DNA as its genetic material. In a hypothetical situation where RNA from a tobacco mosaic virus is mixed with proteins from a related DNA virus, the result could be a hybrid virus. If that virus were to infect a cell and reproduce, what would the resulting "offspring" viruses be like?
A.
B.
C.
D.
E.
6.  The following scientists made significant contributions to our understanding of the structure and function of DNA. Place the scientists' names in the correct chronological order, starting with the first scientist(s) to make a contribution.     I.    Avery, McCarty, and MacLeod     II.    Griffith     III.    Hershey and Chase     IV.    Meselson and Stahl     V.    Watson and Crick
A.
B.
C.
D.
E.
7.  After mixing a heat-killed, phosphorescent strain of bacteria with a living non-phosphorescent strain, you discover that some of the living cells are now phosphorescent. The best evidence that the ability to fluoresce is a heritable trait would be an observation that
A.
B.
C.
D.
E.
8.  In trying to determine whether DNA or protein is the genetic material, Hershey and Chase made use of which of the following facts?
A.
B.
C.
D.
E.
9.  For a science fair project, two students decided to repeat the  Hershey and Chase experiment, with modifications. They decided to label the nitrogen of the DNA, rather than the phosphate. They reasoned that each nucleotide has only one phosphate and two to five nitrogens. Thus, labeling the nitrogens would provide a stronger signal than labeling the phosphates. Why won't this experiment work?
A.
B.
C.
D.
E.
10.  Match the investigator(s) to the appropriate discovery of about the nature of genes.
A. Alfred Hershey and Martha Chase
A.
B. Oswald Avery, Maclyn McCarty, and Colin MacLeod
B.
C. Erwin Chargaff
C.
11.  When T2 phages infect bacteria and make more viruses in the presence of radioactive sulfur, what is the result?
A.
B.
C.
D.
E.
12.  Cytosine makes up 38% of the nucleotides in a sample of DNA from an organism. Approximately, what percentage of the nucleotides in this sample will be thymine?
A.
B.
C.
D.
E.
13.  Chargaff's analysis of the relative base composition of DNA was significant because he was able to show that
A.
B.
C.
D.
E.
14.  All of the following can be determined directly from X-ray diffraction photographs of crystallized DNA except the
A.
B.
C.
D.
E.
15.  The DNA double helix has a uniform diameter because ________, which have two rings, always pair with ________, which have one ring.
A.
B.
C.
D.
E.
16.  What kind of chemical bond is found between paired bases of the DNA double helix?
A.
B.
C.
D.
E.
17.  Which of the following statements does not apply to the Watson and Crick model of DNA?
A.
B.
C.
D.
E.
18.  It became apparent to Watson and Crick after completion of their model that the DNA molecule could carry a vast amount of hereditary information in its
A.
B.
C.
D.
E.
19.  In an analysis of the nucleotide composition of DNA, which of the following is true?
A.
B.
C.
D.
E.
20.  Which of the following statements is false when comparing prokaryotes with eukaryotes?
A.
B.
C.
D.
E.
21.  The strands that make up DNA are antiparallel. This means that
A.
B.
C.
D.
E.
22.  Suppose one were provided with an actively dividing culture of E. coli bacteria to which radioactive thymine had been added. What would happen if a cell replicated once in the presence of this radioactive base?
A.
B.
C.
D.
E.
23.  In the late 1950s, Meselson and Stahl grew bacteria in a medium containing "heavy" nitrogen  (15N) and then transferred them to a medium containing 14N. Which of the above results would be expected after one DNA replication in the presence of 14N?
24.  Which enzyme catalyzes the elongation of a DNA strand in the 5'  3' direction?
A.
B.
C.
D.
E.
25.  A space probe returns with a culture of a microorganism found on a distant planet. Analysis shows that it is a carbon-based life-form that has DNA. You grow the cells in 15N medium for several generations and then transfer them to 14N medium. Which pattern in Figure 16.1 would you expect if the DNA was replicated in a conservative manner?
26.  What determines the nucleotide sequence of the newly synthesized strand during DNA replication?
A.
B.
C.
D.
E.
27.  What is the function of DNA polymerase?
A.
B.
C.
D.
E.
28.  Which of the following is least related to the others on the list?
A.
B.
C.
D.
E.
29.  You briefly expose bacteria undergoing DNA replication to radioactively labeled nucleotides. When you centrifuge the DNA isolated from the bacteria, the DNA separates into two classes. One class of labeled DNA includes very large molecules (thousands or even millions of nucleotides long), and the other includes short stretches of DNA (several hundred to a few thousand nucleotides in length). These two classes of DNA probably represent
A.
B.
C.
D.
E.
30.  Refer to the following list of enzymes to answer the following questions. The answers may be used once, more than once, or not at all.                   A.     helicase                 B.     nuclease                 C.     ligase                 D.     DNA polymerase I                 E.      primase   removes the RNA nucleotides from the primer and adds equivalent DNA nucleotides to the 3' end of Okazaki fragments
31.  Refer to the following list of enzymes to answer the following questions. The answers may be used once, more than once, or not at all.                   A.     helicase                 B.     nuclease                 C.     ligase                 D.     DNA polymerase I                 E.      primase   separates the DNA strands during replication
32.  Refer to the following list of enzymes to answer the following questions. The answers may be used once, more than once, or not at all.                   A.     helicase                 B.     nuclease                 C.     ligase                 D.     DNA polymerase I                 E.      primase   covalently connects segments of DNA
33.  Refer to the following list of enzymes to answer the following questions. The answers may be used once, more than once, or not at all.                   A.     helicase                 B.     nuclease                 C.     ligase                 D.     DNA polymerase I                 E.      primase   synthesizes short segments of RNA
34.  Refer to the following list of enzymes to answer the following questions. The answers may be used once, more than once, or not at all.                   A.     helicase                 B.     nuclease                 C.     ligase                 D.     DNA polymerase I                 E.      primase   DNA-cutting enzymes used in the repair of DNA damage
35.  The difference between ATP and the nucleoside triphosphates used during DNA synthesis is that
A.
B.
C.
D.
E.
36.  The Y-shaped structure where the DNA double helix is actively unwound during DNA replication is called the
A.
B.
C.
D.
E.
37.  The leading and the lagging strands differ in that 
A.
B.
C.
D.
E.
38.  Which of the following best describes the addition of nucleotides to a growing DNA chain?
A.
B.
C.
D.
E.
39.  A new DNA strand elongates only in the 5' to 3' direction because
A.
B.
C.
D.
E.
40.  Replicating the lagging strand of DNA-that is, adding bases in the 3'  5' direction-utilizes which of the following?
A.
B.
C.
D.
E.
41.  What kind of molecule or substance is the primer that is used to initiate the synthesis of a new DNA strand?
A.
B.
C.
D.
E.
42.  What is the function of topoisomerase?
A.
B.
C.
D.
E.
43.  What is the role of DNA ligase in the elongation of the lagging strand during DNA replication?
A.
B.
C.
D.
E.
44.  All of the following are functions of DNA polymerase in DNA replication except
A.
B.
C.
D.
E.
45.  Which of the following help to hold the DNA strands apart while they are being replicated?
A.
B.
C.
D.
E.
46.  Which of these mechanisms ensures that the DNA sequence in the genome remains accurate?
A.
B.
C.
D.
E.
47.  Individuals with the disorder xeroderma pigmentosum are hypersensitive to sunlight because their cells have an impaired ability to 
A.
B.
C.
D.
E.
48.  Which of the following is analogous to telomeres?
A.
B.
C.
D.
E.
49.  A eukaryotic cell lacking telomerase would
A.
B.
C.
D.
E.
50.  Which of the following statements about telomeres is correct?
A.
B.
C.
D.
E.
51.  Garrod hypothesized that "inborn errors of metabolism" such as alkaptonuria occur because
A.
B.
C.
D.
E.
52.  We now know that the one gene-one enzyme hypothesis is not entirely accurate because
A.
B.
C.
D.
E.
53.  Which of the following represents a similarity between RNA and DNA?
A.
B.
C.
D.
E.
54.  The nitrogenous base adenine is found in all members of which group?
A.
B.
C.
D.
E.
55.  Using RNA as a template for protein synthesis instead of translating proteins directly from the DNA is advantageous for the cell because
A.
B.
C.
D.
E.
56.  If proteins were composed of only 12 different kinds of amino acids, what would be the smallest possible codon size in a genetic system with four different nucleotides?
A.
B.
C.
D.
E.
57.  An extraterrestrial life form is discovered. It has a genetic code much like that of organisms on Earth except that there are five different DNA bases instead of four and the base sequences are translated as doublets instead of triplets. How many different amino acids could be accommodated by this genetic code?
A.
B.
C.
D.
E.
58.  The enzyme polynucleotide phosphorylase randomly assembles nucleotides into a polynucleotide polymer. You add polynucleotide phosphorylase to a solution of adenosine triphosphate and guanosine triphosphate. The resulting artificial mRNA molecule would have ________ possible different codons if the code involved two-base sequences and ________ possible different codons if the code involved three-base sequences.
A.
B.
C.
D.
E.
59.  A particular triplet of bases in the template strand of DNA is AGT. The corresponding codon for the mRNA transcribed is
A.
B.
C.
D.
E.
60.  A possible sequence of nucleotides in the template strand of DNA that would code for the polypeptide sequence phe-leu-ile-val would be 
A.
B.
C.
D.
E.
61.  What amino acid sequence will be generated, based on the following mRNA codon sequence? 5'AUG-UCU-UCG-UUA-UCC-UUG
A.
B.
C.
D.
E.
62.  A peptide has the sequence NH2-phe-pro-lys-gly-phe-pro-COOH. Which of the following sequences in the coding strand of the DNA codes for this peptide?
A.
B.
C.
D.
E.
63.  What is the sequence of a peptide based on the mRNA sequence 5' UUUUCUUAUUGUCUU 3' ?
A.
B.
C.
D.
E.
64.  Suppose the following DNA sequence was mutated from 3' AGAGAGAGAGAGAGAGAG 5' to  3' AGAAGAGAGATCGAGAGA 5'. What amino acid sequence will be generated based on this mutated DNA?
A.
B.
C.
D.
E.
65.  A particular eukaryotic protein is 300 amino acids long. Which of the following could be the maximum number of nucleotides in the DNA that codes for the amino acids in this protein?
A.
B.
C.
D.
E.
66.  A codon
A.
B.
C.
D.
E.
67.  If the triplet CCC codes for the amino acid proline in bacteria, then in plants CCC should code for
A.
B.
C.
D.
E.
68.  The genetic code is essentially the same for all organisms. From this, one can logically assume all of the following except
A.
B.
C.
D.
E.
69.  Which of the following is true for both prokaryotic and eukaryotic gene expression?
A.
B.
C.
D.
E.
70.  Which of the following are transcribed from DNA?
A.
B.
C.
D.
E.
71.  RNA polymerase and DNA polymerase differ in that
A.
B.
C.
D.
E.
72.  Which of the following is not a part of the eukaryotic transcription initiation complex?
A.
B.
C.
D.
E.
73.  Which of the following is least related to the other items?
A.
B.
C.
D.
E.
74.  Which of the following statements best describes the termination of transcription in prokaryotes?
A.
B.
C.
D.
E.
75.  RNA polymerase moves along the template strand of DNA in the ________ direction, and adds nucleotides to the ________ end of the growing transcript.
A.
B.
C.
D.
76.  All of the following are found in prokaryotic mRNA except
A.
B.
C.
D.
E.
77.  Which of the following helps to stabilize mRNA by inhibiting its degradation?
A.
B.
C.
D.
E.
78.  What is a ribozyme?
A.
B.
C.
D.
E.
79.  What are the coding segments of a stretch of eukaryotic DNA called?
A.
B.
C.
D.
E.
80.  A transcription unit that is 8,000 nucleotides long may use 1,200 nucleotides to make a protein consisting of 400 amino acids. This is best explained by the fact that
A.
B.
C.
D.
E.
81.  Once transcribed, eukaryotic mRNA typically undergoes substantial alteration that includes
A.
B.
C.
D.
E.
82.  Introns are significant to biological evolution because
A.
B.
C.
D.
E.
83.  A mutation in which of the following parts of a gene is likely to be most damaging to a cell?
A.
B.
C.
D.
E.
84.  Which of the following is (are) true of snRNPs?
A.
B.
C.
D.
E.
85.  During splicing, which molecular component of the spliceosome catalyzes the excision reaction?
A.
B.
C.
D.
E.
86.  Alternative RNA splicing
A.
B.
C.
D.
E.
87.  Which of the following is least related to the other items?
A.
B.
C.
D.
E.
88.  All of the following are directly involved in translation except
A.
B.
C.
D.
E.
89.  A particular triplet of bases in the coding sequence of DNA is AAA. The anticodon on the tRNA that binds the mRNA codon is
A.
B.
C.
D.
E.
90.  Accuracy in the translation of mRNA into the primary structure of a protein depends on specificity in the
A.
B.
C.
D.
E.
91.  What is an anticodon part of?
A.
B.
C.
D.
E.
92.  What type of bonding is responsible for maintaining the shape of the tRNA molecule?
A.
B.
C.
D.
E.
93.  The above figure represents tRNA that recognizes and binds a particular amino acid (in this instance, phenylalanine). Which codon on the mRNA strand codes for this amino acid?
A.
B.
C.
D.
E.
94.  A mutant bacterial cell has a defective aminoacyl synthetase that attaches a lysine to tRNAs with the anticodon AAA instead of a phenylalanine. The consequence of this for the cell will be that
A.
B.
C.
D.
E.
95.  There are 61 mRNA codons that specify an amino acid, but only 45 tRNAs.  This is best explained by the fact that 
A.
B.
C.
D.
E.
96.  What are ribosomes composed of?
A.
B.
C.
D.
E.
97.  Where is eukaryotic ribosomal RNA transcribed?
A.
B.
C.
D.
E.
98.  What is the most abundant type of RNA?
A.
B.
C.
D.
E.
Back to top

Removing ad is a premium feature

Upgrade and get a lot more done!
Take Another Quiz