In the laboratory, how could you distinguish between normal hemoglobin A and hemoglobin S?

What will be an ideal response?


The two forms of hemoglobin have different electrical charges. Therefore, you could distinguish between them by their migration patterns on an electrophoresis gel.

Biology & Microbiology

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How could you ethically design a scientific study to determine whether mercury-containing vaccines cause ASD?

What will be an ideal response?

Biology & Microbiology

The characteristic blue color of blue cheese comes from 

A. cyanobacteria. B. algae. C. mold. D. protozoans.

Biology & Microbiology

Comb shape in chickens is determined by 2 different genes that independently assort (R/r and P/p). A walnut comb is produced with at least one "R" allele and one "P" allele. A rose comb is produced with at least one "R" allele and two "p" alleles. A pea comb is produced by two "r" alleles and at least one "P" allele. A single comb is produced when both genes are homozygous recessive. If a single comb chicken is mated with a pea comb chicken that is homozygous for the "P" allele, what phenotype(s) for comb is/are expected in their offspring?

a) Only pea comb b) Only single comb c) 1/2 pea comb and 1/2 single comb d) 3/4 pea comb and 1/4 single comb

Biology & Microbiology

Most of the ATP synthesized in muscle cells during aerobic exercise comes from:

What will be an ideal response?

Biology & Microbiology