Which is a type of lymphocyte that forms in the bone marrow but matures in the thymus gland?
A) lymphoma
B) T cell
C) B cell
D) none of the above
B
You might also like to view...
You isolate a purify a bacteriophage that can replicate in E. coli. Through chemical analyses you determine that the only nucleic acid present is RNA
You isolate the RNA and put it in a test tube with all of the necessary proteins and RNAs for translation. The RNA is translated and new infectious virions are made. What does this tell you about the bacteriophage? A) The RNA genome is of the plus sense. B) The RNA genome is of the plus sense and RNA replicase is present in the viral capsid. C) The new bacteriophage is a retrovirus. D) RNA replicase is present in the viral capsid.
Morphology refers to the ____ of an organism
a. reproductive ability b. appearance c. differentiation d. lifespan e. movement
Which of the following is not a function of the glycocalyx in prokaryotes?
A. protein synthesis B. attachment C. resistance to drying D. protection from immune system cells E. production of biofilms
Discuss why many scientists consider RNA to have been the basis for early forms of life
What will be an ideal response?