What is the composition of the tunic that covers the outer body of urochordates?

a. protein
b. calcium
c. carbohydrate
d. cholesterol


c. carbohydrate

Biology & Microbiology

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True or false: The sequence of amino acids in a protein is referred to as its primary structure

A. true B. false

Biology & Microbiology

The physical movement of alleles between populations is known as ____

a. natural selection b. genetic drift

c. gene flow d. inheritance e. mutations

Biology & Microbiology

Antibodies present in mom's milk primarily belong to the _______ class.

A. IgG B. IgM C. IgA D. IgE

Biology & Microbiology

The pH of an acidic solution is.

a) less than 7 b) more than 7 c) equal to 7 d) cannot be determined

Biology & Microbiology