Biology Final Exam Practice

27 Questions  I  By Jess81288
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1.  The purpose of science is to
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2.  What does DNA ligase do during DNA replication?
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3.  To determine whether a field of study is a science, you would
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4.  Strictly speaking, DNA replication leads to
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5.  What does recombinant DNA technology refer to?
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6.  Which BEST describes why an allele is recessive?
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7.  When there are 2 alleles for a gene and both make a protein product the alleles are said to be
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8.  What is the name of the enzymes which cut DNA only at a specific sequences?
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9.  A set if ideas that explain a broad set of observations is a
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10.  Which one of the following characteristics is not necessary in order for an object to be considered living?
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11.  Even though large sample of DNA are needed to perform many analyses, a single hair with only a small amount of DNA can be analyzed. What is the name of the procedure which makes many copies of the DNA so that you can amplify small samples?
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12.  The nucleotide that is found in RNA but not DNA is
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13.  How does Gel Electrophoresis work.
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14.  When geneticists speak of mutation, they are referring to
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15.  Why are DNA fingerprints useful?
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16.  Natural Selection may be BEST defined as
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17.  What is an example of a trait
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18.  Nuclear transfer was the cloning technique used to produce the sheep Dolly. Which best describes nuclear transfer?
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19.  What is necessary for natural selection to lead to evolution
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20.  According to question 18, what is true about the type of cloning discussed in the previous question?
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21.  In a population of long-tailed weasels in central Missouri, individuals that turn white in the winter are rare. Individual weasels that turn white in winter are much more common in the northern part of the weasel's range. This appears to be an example of
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22.  What enzyme is necessary to voncert an RNA sequence back to it's complememntary DNA sequence
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23.  When dogs become overheated, they pant. During panting, blood flow to the tounge increases and this circulates heat from the center of their body to where it can be dissipated. This is an example of
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24.  Over the past 5 years, the number of acres planted in genetically modified crops has
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25.  On page five of your textbook, there is a story about African dung beetles and elephants. We have similar dung beetles here in MO. Suppose you encountered one of these beetles rolling a ball of cow dung across a pasture. You are eager to explain, using the scientific method, why these beetles are rolling ball of cow manure. Your first step is to come up with a(n)
 
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26.  Three of the following are hypotheses concerning the dung beetle's behavior, select the exception.
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27.  You hypothesize that dung beetles lay eggs in the balls of dung and the young hatch and feed on the dung. Three of the following are reasonable predictions concerning your hypothesis, select the exception
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