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What is the enzyme that is too low in severe combined immunodeficiency?
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∙ 13y ago
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∙ 13y ago
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What is common variable immunodeficiency?
Common variable immunodeficiency is an immunodeficiency disorder characterized by a low level of antibodies. Patients with this disease are subject to recurring infections.
How is common variable immunodeficiency diagnosed?
The main diagnostic test that distinguishes common variable immunodeficiency from other immunodeficiency diseases is the low antibody level despite the normal number of B cells. Antibody levels are tested in the serum
How is scid diagnosed?
SCID is severe combined immunodeficiency disease/disorder and is diagnosed by performing a complete blood count (CBC). The values for all white blood cells will usually be very low to not found. This is genetic and untreatable at this time and will result in the foal's death within the first year of life, and usually in the first month of life, because it has no immune system and can't fight off any bacteria or viruses.
What does it mean when an enzyme has a low value for its Michaelis constant?
It indicates that the enzyme has a high affinity for the substrate.
How might very low pH affect an enzyme's hydrogen bonds?
A very low pH can break the hydrogen bonds in an enzyme which causes the shape of the enzyme to change shape making the enzyme unable to do it's job. This is called "denaturation" However some enzymes such as pepsin only work in a low pH (pepsin works best in a pH of about 3) so it does depend on the enzyme.
What enzyme is released as a result of low blood pressure?
Renin
What conditions LEAST likely to denature an enzyme?
low temperatures
The enzyme phosphofructokinase is an important enzyme that plays a significant regulatory role in glycolysis. Which of the following conditions would be expected to result in increased activity of this enzyme?
Low levels of ATP
If an enzyme is exposed to an unfavorable pH?
Enzymes shows different enzyme activity in different pH value.If the pH is high or low than the optimum pH there is a decrease in the activity of the enzyme.But if the pH is very high or very low it may lead to the deactivation of the enzyme.
How does initial concentration of substrate effect enzyme activity?
At low concentration of substrate , rate of enzyme action is directly proportional to conc. of substrate .
would the pH be high or low if you combined a strong base and oil?
it would be low
What happens to enzymes at -0 degrees?
At 0°C enzyme action is low because the movement of molecules is low. This causes the collision frequency between enzyme and substrate to be low. Increasing the temperature speed up the movement of molecules and thus the collision frequency increases therefore enzyme action increases. Human bio enzymes work best at 37 degrees Celsius. As the temperature raises the shape of the enzyme changes and the enzyme becomes denatured. Temperature above 50 degrees Celsius will denature most human enzymes.
