If the chromosome number of a typical broad bean root tip cell is 12 before mitosis, what is the chromosome number of each newly formed nucleus after mitosis has taken place?
What will be an ideal response?
12
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Explain why the proteome is NOT defined as "all the proteins encoded by an organism's genome."
What will be an ideal response?
Which are important aspects of a complementation test done by coinfection of bacterial cells with phage T4? (Select all that apply.)
A) using sufficient amounts of two phage strains, each with different mutations B) infecting bacteria with two phage strains that have recessive mutations C) counting the number of plaques that are produced after infection of E. coli K(?) cells D) recovering phage from the plaques after growth and lysis
Which of the following statements about components of the flu vaccine and their intended function is true?
A. Gelatin or sorbitol is used to enhance the ability of the immune system to detect the virus. B. Formaldehyde is used to inactivate toxins from the virus or bacteria that may have been present during production. C. Antibiotics are used as a preservative in multidose vials of vaccine in order to prolong their shelf life. Antibiotics allow the vaccine to withstand extreme temperature changes. D. Aluminum is included to prevent the growth of bacteria during vaccine preparation and storage.
What is a form of recombination in bacteria that involves the F plasmid?
What will be an ideal response?