1. The viruses that can achieve neoplastic transformation are called A. DNA tumor viruses B. RNA tumor viruses…

1. Sex lethal (SXL) in Drosophila is transcribed when A. the X autosome balance is less than 0.5…

1. Beta pleated sheets are examples of protein's A. primary structure B. secondary structure C. tertiary structure D.…

1. The complex of RNA polymerase, DNA template and new RNA transcript is called A. transcription bubble B.…

1. Which of the following techniques was carried out by Nirenberg and Matthaei in 1961 to determine the…

1. Because DNA is a highly charged polyanion, its stability to heat denaturation A. does not depend on…

1. Cholesterol is somewhat amphipathic due to A. the single hydroxyl along with the hydrocarbon nature of the…

1. Agarose gel electrophoresis and pulsed field gel electrophoresis may be used to resolve respectively A. 2000 kb…

1. Which of those immunoglobulin classes is mainly found in external secretions? A. Ig A B. Ig D…

1. Lack of reaction to our own human leukocyte antigens (HLAs) is known as? A. autoimmunity B. complement…