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BIO 171 QUIZ 1 TEST QUESTIONS AND ANSWERS
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BIO 171 QUIZ 1 TEST QUESTIONS ANDANSWERS
The scientific process. - ANSWER can help us understand how our world
works
True or false: A tentative explanation based on observation is called a
hypothesis. - ANSWER true
True or False: In science, the terms theory and hypothesis are interchangeable. -
ANSWER false
Which of the following is the BEST description of a control treatment in an
experiment?
Controls are merely replicates of the test group.
Any experiment should have three kinds of control treatments.
The control treatment is a treatment selected at random.
The control treatment is a treatment whereby the researcher can predict what
outcome the result will be.
There should be many differences between the control and test group.
There may be an unlimited number of variables that are different between the
control and test group. - ANSWER The control treatment is a treatment in
which the researcher knows what to expect from the outcome.
Lisa wants to determine the genetic diversity of opossums in the state of
Michigan. She collects DNA from 26 opossums that she finds dead on roadsides
(i.e. roadkill). She sequences DNA from several places throughout the opossum
, genome to see how different the genomes are between individual opossums.
What kind of study is Lisa conducting? - ANSWER Observational study
Information flows from the central dogma of molecular biology: - ANSWER
DNA to RNA to protein.
Translation occurs when: - ANSWER proteins are made based on information
carried by RNA molecules.
Which statement is NOT part of biologists' current insights about the nature of
life?
The first cell arrived on Earth from an extraterrestrial source.
Cells possess hereditary information that is transmitted from one cell generation
to the next.
Cells come from preexisting cells.
Cells take in energy and nutrients from the surroundings.
All living things are composed of one or more cells. - ANSWER The original
cell reached Earth from an extraterrestrial source
True or false: mutations inevitably cause the death of the organism in which
they occur. - ANSWER false
The type of RNA that physically interacts with a ribosome providing sequence
information for a given protein has the acronym: - ANSWER mRNA.
What kind of scientific knowledge is the following: Michelle noticed the mice
she is working in lab were experiencing diarrhea and assumed it was due to the
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