Hla or human leukcyte antigens
a. must be carefully matched to avoid transplantation rejection
b. develop in 7 to 10 days
c. are manufactured in the bone marrow
d. cause lysogenic viruses to revert back to lytic viruses

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.

oxygen +1 most likely

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.