How many pairs of ribs are there?
What will be an ideal response?
12
Biology & Microbiology
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Which inner ear structure determines pitch perception?
a. tectorial membrane b. ear drum c. scala tympani d. middle ear bone e. basilar membrane
Biology & Microbiology
How many chromosomes should be in an embryo sac nucleus?
A) 8 B) 16 C) 24 D) 32
Biology & Microbiology
Growth is an example of a ____ process.
A. metabolic B. generative C. responsive D. control
Biology & Microbiology
Which of the following is an iron-binding protein produced by pathogens to access the body's store of iron?
A) gastroferritin B) hemolysin C) ferritin D) transferrin E) siderophores
Biology & Microbiology