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BIO 171 EXAM 1 REVIEW QUESTIONS AND VERIFIED ANSWERS
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BIO 171 EXAM 1 REVIEW QUESTIONS ANDVERIFIED ANSWERS
The scientific process chooses all that apply
a. is based on the opinions of scientists
b. is only used in universities
c. can help us understand how our world works
d. can address any questions - ANSWER c. can help us understand how our
world works
Which one of the following statements about hypotheses is INCORRECT?
a. none of the choices
b. a collection of related hypotheses that endures repeated testing is called a
theory
c. hypotheses that provide reasonable explanations do not need to be tested
d. hypotheses make predictions about experiments or observational studies
which have not yet been conducted
e. hypotheses can be tested by experiments or by observational studies. -
ANSWER c. hypotheses that provide reasonable explanations do not need to be
tested
T or F: observations lead scientists to tentative explanations called hypotheses -
ANSWER True
,Which of the following is the BEST description of a control treatment in an
experiment?
a. were can be an unlimited number of differences between the control and test
groups
b. there should be three types of control treatments in any experiment
c. controls are simply replicates of the test group
d. the control treatment is a treatment which is chosen at random
e. the control and test group should ave several differences between them
f. the control treatment is a treatment in which the researcher knows what
outcome to expect - ANSWER f. the control treatment is a treatment in which
the researcher knows what outcome to expect
Lisa has conducted a study to determine the genetic diversity of opossums in the
state of Michigan. She sampled DNA from 26 opossums that she found dead on
roadsides (i.e. roadkill) and sequenced DNA from several places throughout the
opossum genome. Prior to her being able to conduct this study, Lisa received a
_________ to financially support this research. When she concluded the
analysis, she wrote up her work in a scientific ______________, and it
underwent ______________. She reworked her paper according to her
colleagues' comments and it was finally published in the journal Mammalogy.
Now, Lisa's research can be independently _______________ by other
scientists.
a. grant, manuscript, peer review, replicated
b. replicated, peer review, grant, manuscript
c. grant, replicated, peer review, manuscript
d. manuscript, peer review, grant, replicated - ANSWER a. grant, manuscript,
peer review, replicated
, In lecture we discussed the features of living organisms that most scientists
would agree are reasonable. Viruses have some, but not all, of these
characteristics. Which of the following characteristics of life do viruses NEVER
exhibit, even when they are inside their host cell?
a. viruses are composed of one or more cells
b. viruses are composed of proteins and nucleic acids
c. viruses are carbon based
d. viruses have heritable genetic information
e. viruses evolve - ANSWER a. viruses are composed of one or more cells
Which of the following correctly indicates the complementary base pairing of
adenine in DNA and RNA?
a. adenine with thymine in both DNA and RNA
b. adenine with guanine in DNA and with cytosine in RNA
c. adenine with uracil in DNA and with thymine in RNA
d. adenine with cytosine in DNA and with guanine in RNA
e. adenine with thymine in DNA and with uracil in RNA - ANSWER e. adenine
with thymine in DNA and with uracil in RNA
Select all that apply. Bacteria and Archaea differ from Eukaryotes in that all
Bacteria and Archaea:
a. are pathogens, that is, cause disease in their hosts
b. Live in or on other living organisms as mutualists
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