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HS 3210 Final Exam (HUMAN DISEASE EXAM)/Actual Questions and Answers Latest 2024/2025 with complete solutions; University of the People$18.49
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HS 3210 Final Exam (HUMAN
DISEASE EXAM)/Actual Questions
and Answers Latest 2024/2025 with
complete solutions; University of the
People
Fruit flies are commonly used in genetic investigations
that focus on traits passed from parents to offspring over
several generations. What can you infer is the reason fruit
flies are the most commonly used organism for this type
of investigation? - ANSWER-Many more generations can
be studied using short-lived organisms
Although scientific theories are based on strong evidence,
they can change over time. Which of the following
correctly explains why scientific theories change? -
ANSWER-Scientists argue, re-examine, and consider new
explanations to new data.
,What must happen for scientific theories to be accepted as
valid? - ANSWER-Scientific evidence must be reported,
verified, and accepted by the scientific community.
Kendra watches a television commercial for a new
alternative medicine. She is interested in the medicine, but
she is unsure if it will really work. Which of the following
would give reliable evidence of the medicine's properties?
- ANSWER-Many experimental trials with results that
support the claims
Christiaan Eijkman shared the Nobel Prize in 1929 for the
discovery of vitamins. Eijkman went to Java to isolate the
pathogen causing beriberi, an illness that appeared to be
contagious as it was common in prisons and among ship
crews. Eijkman noticed that chickens fed a diet of white
rice also suffered from a similar disorder. When the
chickens were fed a diet of red rice, the chickens quickly
recovered. Eijkman returned to the Netherlands and
persuaded a prison to feed the prisoners red rice, and the
incidence of beriberi decreased. What would the next step
for Eijkman be? - ANSWER-He can infer that beriberi
may be related to diet, but more and better studies are
needed.
Birds belong to different species but share similar
characteristics. What inference can be correctly drawn
,about this statement? - ANSWER-All birds share a
common ancestor.
In a magazine advertisement, a manufacturer claims its
laundry ball, which contains ceramic pellets, gets clothes
clean by changing the pH of the water. The ad claims the
product reduces wear on clothing, contaminants in the
environment, and the cost of doing laundry. What should
the advertisement include to give a consumer more
confidence in this product's claims? - ANSWER-
Information about product testing in a study that includes
a control group
During a science fair, a group of students came up with
the following question: "Is color an inherent property in
objects or is it a product of the mind?" Why would this
question be extremely difficult to answer scientifically? -
ANSWER-How people experience color varies
Eduardo is narrowing the focus of his science fair project
and compiling a list of research questions his project can
answer. Which of the following questions can be
answered scientifically? - ANSWER-Which brand of
sugar-free popsicle melts the fastest?
Which statement best describes a characteristic of a
scientific theory? - ANSWER-Supported by a substantial
body of evidence observed in nature
, After many experiments and observations, Jacques
Charles described how gases expand at the same rate as a
change in temperature. This observation is represented in
the formula V100 − V0 = kV0. These findings are not the
basis of a scientific theory because - ANSWER-they
describe what happens in nature without explaining why it
happens
Chemical reactions can create more complex products.
What evidence best explains this phenomenon? -
ANSWER-The molecular structure of complex
macromolecules show that a chemical reaction has
occurred
While looking at a cell under a microscope, a scientist is
able to see a biological molecule. This molecule is a
nucleic acid with a ladder structure and contains the
nitrogenous bases adenine, thymine, cytosine, and
guanine.
Based on this information, what conclusion can the
scientist draw regarding this nucleic acid? - ANSWER-
The nucleic acid is DNA and would be found in the cell's
nucleus.
If a chemical reaction catalyzed by an enzyme is being
carried out and there is a sudden, drastic decrease in
temperature, what is most likely to happen next? -
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