How might stem cells be used to treat disease?
What will be an ideal response?
When inserted into a human suffering from a disorder, stem cells would develop into the types of adult cells that have been damaged or lost. And if these stem cells could be developed from the patient, the probability of rejection could be reduced to nearly zero.
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An individual tree can maintain a symbiotic relationship with many different species of mycorrhizae simultaneously
Indicate whether the statement is true or false.
Which of the following is an informational macromolecule?
A) DNA B) ATP C) starch D) glycogen E) polypeptide
As a result of an accident, a patient has their jaw wired shut and is put on a liquid diet. Why has the person been placed on a liquid diet?
A. Mechanical digestion would be inhibited since the jaws could not drive the breakdown of food by teeth. B. The secretion of amylase would be inhibited since muscles could not work. C. Peristalsis would stop. D. Lipase would not be added to food. E. None of the answer choices is correct.
If you perform an indirect ELISA specific for Lyme Disease on a patient that was bitten by a tick carrying Borrelia bergdorferi only 2 days ago, what would you expect the results to be?
A) Negative, because it is unlikely that the patient is producing antibodies to Borrelia bergdorferi after only 2 days. B) Positive, since the patient was infected with Borrelia bergdorferi by the tick bite. C) Negative, because Borrelia bergdorferi does not cause Lyme Disease. D) Positive, since the ELISA will detect Borrelia bergdorferi in the patient's serum.