The lining of the digestive tube is formed from:a

endoderm.
b. ectoderm.
c. germ cells.
d. mesoderm.
e. pseudoderm.


a

Biology & Microbiology

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Lichens are mutualisms between

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Assume a biallelic locus in a diploid population has the following genotype frequencies: A1A1 = 0.59; A1A2 = 0.16; and A2A2 = 0.25. What is the observed allele frequency (p) of the A1 allele?

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Proper design of a urogenital swab expressly intended for the collection of urethral discharge should include what feature?

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