SOLVED

26.When a bacteriophage infects a bacterial cell, it injects ___________ into the host cytoplasm. A. DNA B. RNA C. protein D. lipids E. carbohydrates 27.When the bacteriophage DNA becomes part of the bacterial chromosome: A. it can never exit the genome and initiate viral replication B. it kills the cell C. it has entered the lytic cycle D. it has entered the lysogenic cycle 28.Lysogenic conversion is responsible for all the following diseases except: A. scarlet fever B. plague C. botulism D. cholera E. diphtheria 29.All of the following are correct about HIV except: A. it only needs a CD4 receptor on a cell in order to infect it B. it is related to a chimpanzee virus C. it uses reverse transcriptase to produce a DNA copy of its RNA D. it leaves a cell by budding from it E. it takes about 8 to 10 years for it to cause symptoms 30.Which type of cells is the HIV virus able to infect? A. Macrophages and T lymphocytes B. Red blood cells and liver cells C. Intestine and T lymphocytes D. B lymphocytes and nervous tissue E. Brain cells and glands 31.Bats are a healthy carrier for which of the following diseases? A. SARS B. West Nile Virus C. Hantavirus D. Influenza E. AIDS Â Â