The RNA segments joined to one another by spliceosomes are _____.
a. caps
b. exons
c. snRNPs
d. tails
e. introns
Answer: b. exons
You might also like to view...
The function of BMP4 is to ____________ while the function of gremlin is to __________ BMP4.
A. cause apoptosis; inhibit the function of B. induce mitosis; amplify expression of C. inhibit growth; amplify expression of D. induce mitosis; inhibit the function of E. cause apoptosis; act as a catalyst for
Genetic markers that distinguish a self cell from a foreign invader are typically ________.
A. polysaccharides B. proteins or glycoproteins C. DNA or RNA D. lipids or lipoproteins
The principle of disinfection to reduce HAIs (healthcare associated infections) among patients was initially introduced by
A) L. Pasteur and R. Koch. B) I. Semmelweis and J. Lister. C) P. Erhlich and A. Fleming. D) J. Snow and R. Koch. E) E. Jenner and L. Pasteur.
A bone marrow sample from Patient X has abnormally low numbers of megakaryocytes. What body process would you expect to be impaired in Patient X?
A. Temperature regulation by vasoconstriction or vasodilation of superficial blood vessels B. Defense against foreign microorganisms C. Maintaining normal osmotic balance between the blood and the interstitial fluids D. Transport of oxygen E. Blood clotting following injury to a blood vessel