Recombination frequency between genes can be used to generate a
A. genetic map.
B. physical map.
C. restriction map.
D. haplotype map.
A. genetic map.
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Which of the following represents the correct order of events in fungal sexual reproduction starting from when hyphae of two different mating types grow together?
A. plasmogamy heterokaryotic stage karyogamy zygote meiosis spore production and dispersal mycelium B. spore production and dispersal karyogamy heterokaryotic stage plasmogamy zygote meiosis mycelium C. spore production and dispersal plasmogamy heterokaryotic stage karyogamy zygote meiosis mycelium D. karyogamy heterokaryotic stage plasmogamy zygote meiosis spore production and dispersal mycelium E. heterokaryotic stage plasmogamy karyogamy zygote meiosis mycelium spore production and dispersal
The body of a fungus has several characteristics. One of these is their hyphae, long chains of cells. Which of the following statements best describes the nature of septa and cross walls?
A. Septa of the cross walls are formed on the outside of fungal cells and give the fungal body more rigidity. B. Septa form cross walls between the long chains of cells that make up hyphae. C. The cross wall within the nuclear membrane of every fungal body forms septa. D. Spores of fungi that are formed within reproductive structures have cross walls separated by septa. E. Cross walls are responsible for the formation of spindle plaques within the hyphae after the septa are produced.
How many elements occur naturally?
A. 64 B. 92 C. 6 D. 32 E. 112
Hepatitis B virus releases a large amount of viral antigen, which benefits the patient by
A. producing a stronger cellular immune response. B. activating antibody mediated immunity. C. making it easier to develop a vaccine. D. allowing for better treatment. E. ensuring plentiful substrate for binding with labeled antibodies in diagnostic tests.