A human with two X chromosomes will normally develop as a __________
a. Male
b. Female
Answer: b. Female
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Which birth control method is the most effective in protecting against sexually transmitted diseases?
a. abstinence b. the Pill c. condoms d. an IUD e. the rhythm method
The body’s first line of defense includes all of the
following EXCEPT a. intact skin. b. linings of body cavities. c. complement. d. chemical protection. e. resident populations of microbes.
The following is a description of which major group of fungi? Many species within this group are of great importance to humans. Spores form within a fungal sac. The fungal sac develops from the union of two hypha of opposite mating type. Meiosis, sometimes followed by mitosis, results in the formation of 4-8 haploid spores.
A) Chytridiomycota B) Zygomycota C) Ascomycota D) Basidiomycota E) Deuteromycota
where does transcription take place?
What will be an ideal response?