Biology 114 Final Exam Questions and
Answers
Biology 114 Final Exam Questions and
Answers
Biology 114 Final Exam Questions and
Answers
Biology 114 Final Exam Questions and
Answers
Biology 114 Final Exam Questions and
Answers
Biology 114 Final Exam Questions and
Answers
Biology 114...
Biology 114 Final Exam Questions and
Answers
What happens when a protein is denatured?
✓ ~~~It loses its 3-dimensional structure (shape) and stops functioning normally.
Which best defines a gene in the molecular sense of the word?
✓ ~~~a segment of DNA that encodes the primary structure of a protein
unsaturated fatty acid
✓ ~~~
Which of these has "kinky" fatty acid tails, is liquid at room temperature, and is
healthy to eat?
✓ ~~~unsaturated fat
Most of these are bacteria or fungi. They are vitally important to chemical cycling
because they consume dead material and release simpler nutrients.
✓ ~~~decomposers
Like gasoline, ___________________ are mostly made of long chains of carbon and
hydrogen. They are also rich in energy.
✓ ~~~triglycerides (fats and oils)
Here is a scenario excerpted from a recent post in ScienceNow, a blog produced by
the American Academy for the Advancement of Science. "A drug used for decades
,to treat high blood pressure and other conditions has shown promise in a small
clinical trial for autism...
Several lines of evidence suggest that autism interferes with the neurotransmitter
GABA... Bumetanide may enhance the effects of GABA... In a new study,
researchers... recruited 60 autistic children between the ages of 3 and 11 and
randomly assigned them to receive either a daily pill of bumetanide or a placebo.
(Neither the children's parents nor the researchers who assessed the children knew
who received the actual drug.)
As a group, those who got bumetanide improved by 5.6 points on a 60-point scale
that's often used to assess behaviors related to autism, the researchers report today
in Translational Psychiatry. That was enough to nudge the group a
✓ ~~~Patient's drug status (bumetanide or placebo) - independent variable
60-point scale used to measure autistic behaviors -
dependent variable
30 children who received the drug bumetanide - experimental group
30 children who received a placebo but were otherwise treated the same as those
who got the drug -
,control group
Modern dog breeds all descend from wolves, but through __________________ a
vast range of dog shapes, sizes, and behaviors have been produced.
✓ ~~~artificial selection
cholesterol
✓ ~~~
amino acid
✓ ~~~
cells contain a nucleus and other organelles;
eukaryote or prokaryote?
✓ ~~~eukaryote
a plant or animal;
eukaryote or prokaryote?
✓ ~~~eukaryote
cells do not have a nucleus; DNA floats free;
eukaryote or prokaryote?
✓ ~~~prokaryote
, protist, such as an amoeba or a seaweed;
eukaryote or prokaryote?
✓ ~~~eukaryote
bacterium;
eukaryote or prokaryote?
✓ ~~~prokaryote
A cell is malfunctioning, causing a health problem. To figure out why the cell has
gone haywire, you would probably need to investigate at the next level "down" and
study the cell's _____________.
✓ ~~~molecules and organelles
As ___________________ break down, they emit energy, making them very useful
for medical research but also potentially dangerous.
✓ ~~~radioactive isotopes
Which of the following best describes a scientific theory?
✓ ~~~a well-developed idea that has been tested many times and helps us predict what will
happen and why
Which kinds of ideas are generally outside the bounds of science / nonscientific in
nature?
✓ ~~~Explanations that involve supernatural beings and/or value judgments
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