One of the middle ear bones, the stirrup, pushes directly against what part of the inner ear?

a. auditory nerve
b. organ of Corti
c. oval window
d. round window
e. basilar membrane


c

Biology & Microbiology

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The sliding filament model of muscle contraction depends on the dynamic interactions between myostatin and

myoglobin proteins.

Indicate whether the statement is true or false.

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Once photons are harvested by the pigment molecules in the light-harvesting complex, where is the energy delivered next?

a. the lumen of the thylakoid b. the outer membrane of the chloroplast c. the reaction center of the photosystem d. the stomata of the leaf

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The genotypes and numbers of progeny resulting from a testcross are as follows: t+g+ l+ 72 tgl 69 t+gl 21 tg+l+ 18 t+gl+ 9 tg+l 8 t+g+l 2 tgl+ 1 Total 200 Calculate the genetic distance between genes g and l

What will be an ideal response?

Biology & Microbiology

Explain how a slightly deleterious allele that should be eliminated by weak negative selection might actually increase in frequency in a population

What will be an ideal response?

Biology & Microbiology