Which section of the pre-mRNA contains the protein-coding regions?
A. introns
B. exons
C. The entire pre-mRNA contains protein-coding regions.
D. The pre-mRNA does not code for proteins at all.
Answer: B
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How do bacteriophage influence bacterial evolution?
A) Bacteriophage cause cleavage and rearrangement of bacterial genomes, thus accelerating bacterial evolution. B) Bacteriophage lyse mutated bacterial cells, thus preventing them from replicating and passing on their genetic information. C) Bacteriophage transfer genetic information between bacterial cells through transduction, thus increasing the genetic diversity of bacterial populations. D) Bacteriophage decrease the size of bacterial populations and thus decreasing genetic diversity and slowing down bacterial evolution.
The Epstein-Barr virus is the etiologic agent of infectious mononucleosis.
Answer the following statement true (T) or false (F)
________ links the thick filaments to the Z line
A) Troponin B) Tropomyosin C) Titin D) Nebulin E) Myomesin
Human blood types involve all of the following except
A. ABO antigen markers. B. genetically determined glycoprotein markers. C. inheritance of two of three possible alleles. D. genes that code for an enzyme that adds a terminal carbohydrate to RBC receptors. E. MHC genes.