Chapter 10: Molecular Biology of the Gene
 
Chapter Quiz
 
 Pre-Test   Activity Quiz   Chapter Quiz 

1 .       Which one of the following lists the four bases contained in DNA? [Hint]



2 .       Which one of the following describes a nucleotide most completely? (10.2) [Hint]



3 .       What technique was most helpful to Watson and Crick? [Hint]



4 .       For DNA _____. [Hint]



5 .       One strand of a DNA molecule has the base sequence ATAGGT. The complementary base sequence on the other strand of DNA will be _____. [Hint]



6 .       The two sugar-phosphate strands of a DNA molecule are joined to each other by _____. [Hint]



7 .       Which one of the following is NOT true about double-stranded DNA? [Hint]



8 .       The information in DNA is contained in _____. [Hint]



9 .       Which one of the following statements does NOT apply to the Watson-Crick model for DNA? [Hint]



10 .       The statement that each new molecule of DNA contains one parental and one newly synthesized strand of DNA refers to _____. [Hint]



11 .       During the replication of DNA molecules _____. [Hint]



12 .       Two new strands of DNA molecules grow as bases are added by the enzyme _____. [Hint]



13 .       Monomers for the synthesis of DNA are called _____. [Hint]



14 .       A gene is usually _____. [Hint]



15 .       Which one of the following is NOT associated with RNA? [Hint]



16 .       When messenger RNA (mRNA) is being made, the RNA base ____ always pairs with the base _____ in DNA. [Hint]



17 .       The DNA code is CGT. What messenger RNA is made from this? [Hint]



18 .       Information is transferred from the nucleus to the cytoplasm of eukaryotic cells in the form of _____. [Hint]



19 .       A particular ____ carry the information for making a specific polypeptide, but ____ can be used to make any polypeptide. [Hint]



20 .       The number of nucleotide bases "read" together on the mRNA to designate each amino acid is __________; this unit is called a __________. [Hint]



21 .       Which one of the following statements is true? [Hint]



22 .       During the transcription of a given portion of a DNA molecule _____. [Hint]



23 .       One strand of a DNA molecule has the following sequence: 3'-AGTACAAACTATCCACCGTC-5'. In order for transcription to occur in that strand, there would have to be a specific recognition sequence, called a(n) __________, to the left of the DNA sequence indicated. [Hint]



24 .       At one point as a cell carried out its day-to-day activities, the nucleotides GAT were paired with the nucleotides CUA. This pairing occurred _____. [Hint]



25 .       What is the proper order of the following events in the expression of a eukaryotic gene?
  1. translation
  2. RNA processing
  3. transcription
  4. [Hint]



26 .       A terminator in mRNA synthesis is _____. [Hint]



27 .       Which one of the following catalyzes the linkage between nucleotides to form RNA? [Hint]



28 .       In transcription, _____. [Hint]



29 .       A cell biologist found that two different proteins with largely different structures were translated from two different mRNAs. These mRNAs, however, were transcribed from the same gene in the cell nucleus. Which mechanism below could best account for this? [Hint]



30 .       Usually, in eukaryotic genes _____. [Hint]



31 .       Which one of the following statements correctly describes mRNA processing in eukaryotes? [Hint]



32 .       A mutation in a DNA sequence is likely to have NO effect on phenotype if the mutation _____. [Hint]



33 .       In a eukaryotic cell, transcription takes place _____. [Hint]



34 .       The function of tRNA during protein synthesis is to _____. [Hint]



35 .       During translation in a eukaryotic cell _____. [Hint]



36 .       Which one of the following processes does NOT take place in the nucleus? [Hint]



37 .       During translation, amino acid chain elongation occurs until _____. [Hint]



38 .       A virus infects a cell and randomly inserts many short segments of DNA containing a stop codon throughout the organism's chromosomes. This will probably cause _____. [Hint]



39 .       During the process of translation, ____ matches an mRNA codon with the proper amino acid. [Hint]



40 .       A sequence of pictures of polypeptide synthesis shows a ribosome holding two transfer RNAs. One tRNA has a polypeptide chain attached to it; the other tRNA has a single amino acid attached to it. What does the next picture show? [Hint]



41 .       Which summary of protein synthesis is correct? [Hint]



42 .       Mutations are _________. [Hint]



43 .       A geneticist found that a particular mutation had no effect on the polypeptide encoded by a gene. This mutation probably involved _____. [Hint]



44 .       Imagine an error occurring during DNA replication in a cell, so that where there is supposed to be a T in one of the genes, there is instead a G. What effect will this probably have on the cell? [Hint]



45 .       Ultraviolet (UV) radiation is damaging because it ____________. [Hint]



46 .       Genetic mutations _____. [Hint]



47 .       The phage reproductive cycle that kills the bacterial host cell is a _____ cycle. [Hint]



48 .       A prophage is a(n) _____. [Hint]



49 .       Which of these is classified as an emerging virus that can have a direct impact on human health? [Hint]



50 .       How do retroviruses such as HIV differ from other viruses? [Hint]



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