Biology, 26.11.2019 22:31, kealinwiley
11. memory t cells (select all that apply.) a. must all be activated in secondary lymphoid organs b. do not require co-stimulation through cd28 c. are composed only of cd4 t cells d. do not undergo somatic hypermutation e. are usually short-lived f. do not undergo isotype switching.
Answers: 1
Biology, 22.06.2019 06:10, avonsluv8809
Aresearcher designed an investigation to test what effect eating different types of food would have on blood insulin levels. she selected 10 male subjects who were all 25 years of age and in good health. the experiment took place over 3 days. at 8: 00 a. m. on each day, the subjects ate a meal consisting of only 1 type of food. they had their blood insulin levels measured after consuming the meal. on day 1 they ate a high fat diet, on day 2 they ate a high protein diet, and on day 3 they ate a high sugar diel what is the independent variable in this experiment? a the age of the subjects b the blood insulin level c the type of food consumed d the time of day the meal was consumed
Answers: 2
Biology, 22.06.2019 08:50, eyeneedalife
What processes take place before the mature mrna exits the nucleus?
Answers: 1
11. memory t cells (select all that apply.) a. must all be activated in secondary lymphoid organs b...
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