Which is the first antibody secreted during immune responses and the first one produced by newborns?

a. IgA
b. IgD
c. IgE
d. IgG
e. IgM


E

Biology & Microbiology

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To be able to sequence everyone's genome, we need new technologies that will (select all that apply)

A. reduce cost. B. increase sequencing speed. C. eliminate gel electrophoresis. D. eliminate PCR. E. improve the accuracy of Southern blot analysis.

Biology & Microbiology

A person with neither anti-A nor anti-B antibodies in circulation has which of blood type?

A) A B) B C) AB D) O

Biology & Microbiology

Which of the following hormones is involved most directly in carbohydrate absorption?

1.gastrin 2.secretin 3.cholecystokinin 4.glucose insulinotropic peptide

Biology & Microbiology

____ join roots to leaves and may be above or underground

a. Vines b. Stems c. Petioles d. Flowers e. Runners

Biology & Microbiology