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Bio 171- Quiz 1|18 Questions and answers
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Bio 171- Quiz 1|18 Questions and answers
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Bio 171- Quiz 1|18 Questions andanswers
The scientific process... - -can help us understand how our world works
- True or false: A tentative explanation based on observation is referred to
as a hypothesis. - -true
- True or false: In science, the words theory and hypothesis can be used
interchangeably. - -false
- Which of the following is the BEST description of a control treatment in an
experiment?
Controls are simply replicates of the test group.
There should be three types of control treatments in any experiment.
The control treatment is a treatment which is chosen at random.
The control treatment is a treatment in which the researcher knows what
outcome to expect.
The control and test group should have several differences between them.
There can be an unlimited number of differences between the control and
test groups. - -The control treatment is a treatment in which the researcher
knows what outcome to expect.
- Lisa is conducting 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). She sequences DNA from several places
throughout the opossum genome to see how different the genomes are
between individual opossums. What type of study is Lisa conducting? - -
Observational study
- The central dogma of molecular biology states that information flows from:
- -DNA to RNA to protein.
- Translation is the process by which: - -proteins are synthesized from 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 contain hereditary information that passes from one generation of cells
to the next.
Cells arise from other cells.
Cells acquire energy and nutrients from their environment.
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