Question
In: Biology
At low [blood glucose], what is your prediction about transport of glucose into adipose cells and...
At low [blood glucose], what is your prediction about transport of glucose into adipose cells and braincells?
Explain your rationale.
At high [blood glucose], what is your prediction about transport of glucose into adipose cells and brain cells?
Explain your rationale.
Solutions
Expert Solution
In adipose cells: Under high blood sugar levels, Insulin is secreted by pancreas and in response to that glucose is transported into adipose tisuues for its storage as fat.
Under low blood sugar levels, Under low blood sugar levels, glucagon hormone is secreted by pancreas which induces breakdown of fat in adipose tissues to normalise blood sugar levels.
In Brain: Glucose is the major fuel for brain. Glucose is transported into brain through specialised glucose transporters. Regulation of Glucose transport to brain is not yet a well understood phenomena. Though studies suggest that the glucose transport is regulated through the expression of GLUT transporters. Under low glucose levels, brain respond by increasing the expression of transporters and increasing the transporters with high glucose affinity. Under high glucose levels, brain cells downregulate the expression of high affinity transporters and upregulates the expression of low affinity transporters.
gladiator answered 2 years agoRelated Solutions
At low [blood glucose], what is your prediction about transport of glucose into adipose cells and...
At low [blood glucose], what is your prediction about transport
of glucose into adipose cells and braincells? Explain your
rationale.
At high [blood glucose], what is your prediction about transport
of glucose into adipose cells and brain cells? Explain your
rationale.
Insulin enhances the transport of glucose from the blood into most of the body cells, its...
Insulin enhances the transport of glucose from the blood into
most of the body cells, its secretion is controlled by a
negative-feedback system between the concentration of glucose in
the blood and the insulin-secreting cells, therefore which of the
following statements is correct?
Select one:
a. A decrease in blood glucose concentration stimulates insulin
secretion, which in turn further lowers the blood glucose
concentration
b. An increase in blood glucose concentration stimulates insulin
secretion, which further increases the blood glucose...
Unlike liver cells, muscle cells do not secrete glucose into the blood. What about glucose-6-P prevents...
Unlike liver cells, muscle cells do not secrete glucose into the
blood. What about glucose-6-P prevents its secretion and how do
liver cells overcome this problem?
McArdle’s disease (also called glycogen storage disease V) is a
genetic disorder in which muscle cannot make functional
phosphorylase. Speculate as to why McArdle’s patients show muscle
fatigue (tiredness) with even moderate exercise.
McArdle’s disease is inherited as a recessive trait. Consider
the activity of the phosphorylase enzyme and suggest an explanation
for the...
Discuss glucose transport in epithelial cells, include tight junctions in your discussion.
Discuss glucose transport in epithelial cells, include tight
junctions in your discussion.
What is the relationship between diabetes, glucose in food, saliva, microvilli, blood transport of glucose, beta...
What is the relationship between diabetes, glucose in food,
saliva, microvilli, blood transport of glucose, beta cells of
pancreas, diabetes- elevated blood glucose, glomerulus, glucose in
urine? Major emphasis on RELATIONSHIP
Why is glucose homeostasis so important? What are symptoms of high/low blood glucose?
Why is glucose homeostasis so important? What are symptoms of
high/low blood glucose?
. Currently, most of Homer’s body cells are using glucose to make ATP. His adipose...
. Currently, most of Homer’s body cells are using glucose to
make ATP. His adipose cells are taking in fatty acids
and storing them as triglycerides. He probably had a doughnut
______, and his liver cells are probably _______ glycogen.
Recently; synthesizing
Many hours ago; synthesizing
Many hours ago; breaking down
Recently; breaking down
2. Which of the following is FALSE regarding calcium:
a. calcium is required for proper blood clotting
b. the parathyroid glands monitor blood calcium
c....
The following questions are related to glucose and its transport into cells. A. Why do cells...
The following questions are related to glucose and its transport
into cells.
A. Why do cells need a protein to transport glucose across the cell
membrane? i.e.could glucose simply diffuse across the lipid
bilayer? (1 point)
B. Even after glucose is transported into the cell, there is
effectively no increase in intracellular glucose concentration.
This can be attributed to the action of hexokinase, the first
enzyme in the glycolytic pathway. Explain. (2 points)
C. GLUT1 is a glucose transporter found...
Transport of glucose into epithelial cells lining your small intestine is dependent on a pre-existing electrochemical...
Transport of glucose into epithelial cells lining your small
intestine is dependent on a pre-existing electrochemical gradient
of sodium (Na+) ions across the apical plasma membrane.
If that gradient is eliminated, glucose transport stops. This is
one example of ____________________.
passive transport
secondary active transport (coupled transport)
primary active transport
an aquaporin
In what way does blood assist in immune function? A. Red blood cells transport gases. B....
In what way does blood assist in
immune function?
A.
Red blood cells transport gases.
B.
Albumins transport hormones.
C.
Plasma antibodies and white blood cells defend against
pathogens.
D.
Platelets allow clotting.
What is so special about hemoglobin?
A.
It is organic and gluten free.
B.
It reversibly binds O2, i.e. it binds and releases O2 in the
pulmonary circulation and systemic tissues, respectively.
C.
It carries oxygen and moves freely across capillary walls to
deliver oxygen and retrieve...
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