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latest 2022 biod151 final exam biod151 a amp p 1 final exam essential human anatomy amp physiology i portage learning |100 correct q amp a|
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Portage Learning
BIOD 151 Essential Human Anatomy & Physiology I W/
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BIOD 151 Final Exam
Attempt Time Score
LATEST Attempt 1 90 minutes 138 out of 140
Score for this quiz: 138 out of 140
Submitted Apr 2 at 9:43am
This attempt took 90 minutes.
Question 1 pts
List two organs contained in the abdominal cavity.
Your Answer:
liver , stomach
The abdominal cavity contains the stomach, intestines, spleen
and liver
Question 2 pts
True or False?
1/21
,a. Cellular respiration occurs in the mitochondria. (T or F)
b. The purpose of cellular respiration is to produce ATP. (T or F)
c. Integral proteins are only found on the inner surface of a cell
membrane. (T or F)
d. Endocytosis is the process that occurs to eject biomacromolecules from
the cell. (T or F)
e. Pinocytosis uses a signaling molecule from another cell, binding to the
cell membrane to bring about changes within the cell proteins. (T or F)
Your Answer:
a=false
b=true
c=false
d=false
e=false
a. True
b. True
c. False- (Peripheral proteins are found on the inner or outer
surface of the cell membrane. Integral proteins span the entire
length of the membrane.)
d. False- (This process is called exocytosis)
e. False- (This process is called receptor-mediated
endocytosis or information transfer)
2/21
,Question 3 pts
Note: Essay answers must clearly be in your own words.
In your own words, discuss Tay-Sachs disease. What organelle within the
cell is impacted? What are the symptoms of the disease and why do they
occur?
Your Answer:
its impacts the lysosomes and its as a results of buildup of lipids inside
the cells and it causes death or in some cases disabilities. it is generally
consided a genetic disease where one of the normal digestive enzymes
inside the lysosomes is lacking.
(1) Lysosomes
(2) buildup of toxic lipids inside the cell (biomacromolecules)
(3) disability and death
In the genetic disease known as Tay-Sachs, one of the
normally present digestive enzymes inside lysosomes is
lacking. Thus, a toxic lipid in the brain cells cannot be broken
down. The resulting buildup of lipids in these cells can cause
intellectual disability and death.
Question 4 pts
Note: Essay answers must clearly be in your own words.
You are observing two cells under the microscope. They are the same
type of eukaryotic cell but one appears much larger. Based on
3/21
, appearance alone, which one would you expect to be carrying out
respiration at a more active rate, the larger or smaller cell? Explain why.
Your Answer:
the smaller cell this is because it has a relatively small surface area to the
volume of the cell is decrease. thus a smaller cell is more active because
relative to its volume the surface area is larger than that of the bigger cell
and this helps metabolic process to happen faster.
The smaller cell. Cells need to remain relatively small because
as a cell expands the amount of surface area relative to the
volume of the cell decreases. The smaller cell is more active
because relative to its volume, its surface area is larger than a
bigger cell. With a larger surface area (relative to its volume)
this allows the metabolic processes to occur faster.
Question 5 pts
Note: Essay answers must clearly be in your own words.
Explain what happens to the epiglottis during swallowing. Why?
Your Answer:
it helps to cover the trachea and this helps to prvent food or liquid from
entering the lungs.
4/21
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