Chapter 15-18
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Which of the following statements regarding viruses is false? | show 🗑
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| show | Hershey and Chase
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| show | phage
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| show | only the DNA
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| The way that genetic material of a bacteriophage enters a bacterium is most like the way that | show 🗑
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| The monomers of DNA and RNA are | show 🗑
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| Which of the following statements regarding DNA is false? | show 🗑
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| show | RNA uses the sugar dextrose
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| The shape of a DNA molecule is most like | show 🗑
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| show | The amount of adenine is equal to the amount of thymine, and the amount of guanine is equal to the amount of cytosine
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| DNA replication | show 🗑
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| show | GCCATG
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| When one DNA molecule is copied to make two DNA molecules, the new DNA contains | show 🗑
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| Which of the following enzymes catalyzes the elongation of a new DNA strand? | show 🗑
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| Why does a DNA strand grow only in the 5' to 3' direction? | show 🗑
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| show | DNA--RNA--protein
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| show | transcription
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| The "one gene-one polypeptide" theory states that | show 🗑
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| Experiments have demonstrated that the "words" of the genetic code (the units that specify amino acids) are | show 🗑
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| show | 3
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| show | 5 amino acids
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| show | The fact that some amino acids are specified from more than one codon
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| show | RNA polymerase
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| show | initiation of a new RNA molecule
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| ___________ marks the end of a gene and causes transcription to stop. | show 🗑
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| show | in the cytoplasm
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| Which of the following statements about eukaryotic RNA is true? | show 🗑
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| Which of the following takes place during translation? | show 🗑
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| show | codon recognition--peptide bond formation--translocation--termination
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| show | Transcription occurs in the cytoplasm of eukaryotic cells.
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| show | a mutation
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| show | The doe did not eat
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| show | The dod idn ote at.
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| A physical or chemical agent that changes the nucleotide sequence of DNA is called a(n) | show 🗑
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| show | The cycle typically leads to the lysis of the host cell.
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| show | The lysogenic cycle typically results in the rapid lysis of all infected cells.
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| show | prophage
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| show | Very few new human disease have originated in other animals because the genetic differences are too great.
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| show | easy viral transmission from person to person
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| What kind of virus is HIV? | show 🗑
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| Which of the following enzymes does HIV use to synthesize DNA on an RNA template? | show 🗑
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| HIV does the greatest damage to | show 🗑
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| show | by altering the plants' growth
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| show | There is no known treatment or cure for prion infections
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| show | transformation
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| show | occurs when a phage transfers bacterial DNA from one bacterium to another.
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| show | is the direct transfer of DNA from one bacterium to another
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| Conjugation, transformation, and transduction are all ways that bacteria | show 🗑
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| When a bacterial cell with a chromosome-borne F factor conjugates with another bacterium, how is the transmitted donor DNA into the recipient's genome? | show 🗑
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| show | R plasmids
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| Conjugation between a bacterium that lacks an F factor (F-) and a bacterium that has an F factor on its chromosome (F+) would typically produce which of the following results? | show 🗑
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| show | a site for making the proteins needed for conjugation.
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| show | heavy use of antibiotics in medicine and in agriculture
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| Which of the following statements about the problems created by cloning is false? | show 🗑
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| show | the control of gene expression
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| show | process by which genetic information flows from genes to proteins
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| A gene operon consists of | show 🗑
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| show | an operon
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| The lac operon in E. Coli | show 🗑
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| Proteins that bind to DNA and turn on operons by making it easier for RNA polymerase to bind to a promoter are called | show 🗑
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| The lac operon of E. Coli is __________ when the repressor is bound to lactose. | show 🗑
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| show | a repressor that is active when it binds to tryptophan
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| Which of the following is likely to occur in E. Coli cells that are grown in skim milk? | show 🗑
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| show | Additional genetic information for the formation of specialized cells is passed on to the developing embryo via the placenta
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| The genes for the enzymes of glycolysis | show 🗑
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| Which of the following statements regarding DNA packing is false? | show 🗑
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| The relationship between DNA and chromosomes is most like | show 🗑
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| In female mammals, the inactive C chromosome in each cell | show 🗑
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| show | results from X chromosome inactivation
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| show | regulatory proteins
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| Enhancers are | show 🗑
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| Silencers are sites on DNA that | show 🗑
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| show | removal of introns from the molecule
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| The coding regions of a gene (the portions that are expressed as polypeptide sequences) are called | show 🗑
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| Which of the following permits a single gene to code for more than one polypeptide? | show 🗑
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| show | microRNA
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| miRNA can be used by | show 🗑
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| Which of the following statements regarding RNA and proteins is false? | show 🗑
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| All of the following mechanisms are used to regulate protein production except | show 🗑
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| The textbook authors' analogy between the regulation of gene expression and the movement of water through pipes includes all of the following except | show 🗑
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| show | translation
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| show | The location of the head and tail ends of the egg is primarily determined by the location of sperm entry during fertilization
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| A homeotic gene | show 🗑
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| Which of the following statements about microarrays is false? | show 🗑
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| To initiate a signal transduction pathway, a signal binds to a receptor protein usually located in the | show 🗑
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| Transcription factors attach to | show 🗑
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| A signal outside a cell triggers changes in the transcription and translation inside the cell through the process of | show 🗑
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| show | selective gene expression
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| Most differentiated cells retain | show 🗑
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| The cloning of Dolly the Sheep | show 🗑
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| Which of the following mammals has not yet been cloned and brought through the complete gestation cycle? | show 🗑
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| Which of the following possible uses of reproductive cloning is still considered by most to be an unresolved ethical issue? | show 🗑
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| Adult stem cells have limited therapeutic potential | show 🗑
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| show | oncogene
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| show | A mutation in a tumor-supressor gene can stop cell division immediately
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| show | one or more of the cell's genes being removed by a virus
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| show | several somatic cell mutations
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| show | four or more somatic mutations must occur to giver rise to the center, which takes time
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| Mutations on the photo-oncogenes as and p53 | show 🗑
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| show | turning off a gene for a protein that inhabits cell division
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| show | tobacco
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| show | Mutagens are usually not carcinogens
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
mhobbins