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Question 1 Shown below is a diagram of a eukaryotic replication bubble with only the template shown. Where on the diagram is the leading strand?

Question 1

  1. Shown below is a diagram of a eukaryotic replication bubble with only the template shown. Where on the diagram is the leading strand? (Examine the template DNA very carefully before answering this question!)

  2. A
  3. B
  4. C
  5. D

0.5 points  

Question 2
  1. Sigma (s) factor in bacteria is analogous to ____ in Eukaryotes.
  2. General transcription factors, e.g. TFIID
  3. The TATA box
  4. rRNA
  5. the lac operon

0.5 points  

Question 3
  1. Which of the following aspects of transcription is unique to bacteria?
  2. Transcription and translation may occur simultaneously.
  3. Only bacteria have mRNAs
  4. RNA splicing.
  5. A 7-methyl guanosine cap at the 5' end of mRNA increases stability.
  6. All of the above

0.5 points  

Question 4
  1. Which of the following aspects of transcription is unique to Eukaryotes?
  2. Transcription and translation may occur simultaneously.
  3. Only Eukaryotes have mRNAs.
  4. A 7-methyl guanosine cap at the 5' end of mRNA increases stability.
  5. All of the above

0.5 points  

Question 5
  1. In bacteria, rRNAs are transcribed in the:
  2. cytoplasm
  3. nucleus
  4. ribosome
  5. rough ER

0.5 points  

Question 6
  1. George Beadle and Edward Tatum performed an experiment in which they made single-gene mutations in the bread mold Neurospora crassa. These mutations resulted in several Neurospora auxotrophs. Further analysis revealed specifically how the mutations affected synthesis of the amino acid in question. What was the significance of these results?
  2. A single gene encodes a single protein, in the case of this experiment, an enzyme.
  3. Enzymes are needed to synthesize amino acids.
  4. They showed that mutations are heritable.
  5. They showed that DNA is the basis of inheritance.
  6. All of the above

0.5 points  

Question 7
  1. In the absence of lactose, the genes of the lac operon are:
  2. Transcribed
  3. Not transcribed

0.5 points  

Question 8
  1. Which of the following types of RNAs are polyadenylated and therefore have increased transport efficiencies and half-lives?
  2. All RNAs
  3. All eukaryotic RNAs
  4. All mRNAs
  5. Only eukaryotic mRNAs

0.5 points  

Question 9
  1. Which of the following types of RNAs are spliced, capped at the 5' ends, and polyadenylated?
  2. All RNAs
  3. All eukaryotic RNAs
  4. All mRNAs
  5. Only eukaryotic mRNAs

0.5 points  

Question 10
  1. Shown below is a drawing showing the result of an experiment in which an RNA molecule is allowed to mix with genomic DNA that has been denatured by boiling, and the two molecules are allowed to hybridize. The DNA strand is presumed to be the lighter-shaded one on the top. Note that only one strand of DNA is shown. This result was the first evidence for which of the following processes?
  2. Replication
  3. Transcription
  4. Translation
  5. Splicing

Top Answer

1.Image not given. 2.General transcription factors, e.g. TFIID 3.Transcription and translation may... View the full answer

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