The major obstacle to the use of xenotransplants can possibly be overcome by ____
a. giving a series of injections that depress the immune systems of recipients
b. changing genetic markers in humans to make them more receptive to nonhuman tissue
c. cloning donor animals using human DNA
d. introducing a complement genes to both the donor animal and recipient human
e. altering the patient's MHC complex
b
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Organisms that possess a nucleus are called prokaryotes; organisms that do not possess a nucleus are called eukaryotes
A. true B. false
How do lampreys differ from other vertebrates?
What will be an ideal response?
If the p53 gene is damaged, a cell can behave as though there are which of the following?
a. more mutations b. apoptotic mutations c. no mutations d. proto-oncogene mutations.
Bordetella pertussis produces (adenylate cyclase/dermonecrotic/pertussis) toxin which disrupts blood supply to respiratory tissues.
Fill in the blank(s) with the appropriate word(s).