Two proteins, Rag-1 and Rag-2, catalyze VDJ recombination. Where would you expect these proteins to be expressed?

A. Bone marrow and thymus
B. Blood serum
C. Thyroid and parathyroid
D. Thyroid only
E. Bone marrow only


Answer: A

Biology & Microbiology

You might also like to view...

Autophagy is an important process that removes worn-out organelles, recycles components, then releases them into the cytosol.

Answer the following statement true (T) or false (F)

Biology & Microbiology

The small lymphatic capillaries that reside in the small intestine and absorb fats are known as

A. microvilli. B. gastric glands. C. duodenal pits. D. mesenteries. E. lacteals.

Biology & Microbiology

The difference between the vital capacities of young,

healthy adult males and that of young, healthy adult females is about __________ liters. a. 5.7 b. 4.2 c. 3.7 d. 2.5 e. 1.5

Biology & Microbiology

Increased atmospheric CO2 is ________ the oceans, and it is expected to be detrimental to marine ________ such as corals, foraminifera, and coccolithophores

a. acidifying / calcifers b. neutralizing / silicates c. alkalizing / protists d. warming / algae

Biology & Microbiology