If fungi are to be demonstrated, a good counterstain for the PAS technique is:
a) nuclear fast red
b) van Gieson
c) light green
d) eosin
Answer: c) light green
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The reason that the HD allele acts as a dominant allele is that
A) the HD mutation results in a protein that can damage nerve cells even in the presence of the normal protein. B) the normal HD allele does not normally produce a protein but the mutant HD allele does. C) the mutant HD allele suppresses protein production from the normal HD allele. D) the protein produced from the mutant HD allele is nonfunctional.
Assuming three genes are linked, how many recombinant genotypes would you expect and at what frequency?
A) two recombinant genotypes, more frequent than expected by independent assortment B) four recombinant genotypes, more frequent than expected by independent assortment C) six recombinant genotypes, more frequent than expected by independent assortment D) four recombinant genotypes, less frequent than expected by independent assortment E) six recombinant genotypes, less frequent than expected by independent assortment
Where would you find ocelli?
a. On the legs b. On the head c. On the abdomen d. Along the thorax
Superoxide dismutase and catalase work together to convert superoxide into
A) peroxide. B) oxygen. C) ozone. D) water.