Mature B cells and T cells can only migrate in the blood cannot leave the lymphoid tissues migrate in and out of lymphoid tissues

Ruestion 16 ( 5 points) A linen artifact found in a crypt contains 81 percent of the carbon-14 that is present in living flax. To the nearest year, about how many years old is the artifact? (The half-life of carbon-14 is 5730 years.) Your Answer:

Mature B cells and T cells can only migrate in the blood cannot leave the lymphoid tissues migrate in and out of lymphoid tissues

After maturation, B cells and T cells

A bacteria population starts with 900 bacteria and grows at a rate of \( r(t)=(450.268) e^{1.12567 t} \) bacteria per hour. How many bacteria will there be after three hours? Number of bacteria after three hours \( =\square \)

5. The veterinarian at the zoo performed a check-up on both panda cubs and recorded in her notes that both cubs weighed the same When did the vet perform the check-up? A. at birth B. at 1 week old C. at 2 weeks old D. at 6 weeks old