The first drug produced using recombinant DNA technology was

A) insulin.

B) streptokinase.

C) tissue plasminogen activator.

D) erythropoietin.


A) insulin.

Biology & Microbiology

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Which part of a flower is typically the most leaflike, and when green can carry out photosynthesis?

a. carpels b. receptacles c. sepals d. petals e. stamens

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If you were asked to point to the site in the brain which controls automatic functions like breathing, you would point to the

A. cerebellum. B. hypothalamus. C. medulla oblongata. D. pons. E. cerebrum.

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Land plants, or embryophytes, are close relatives of __________, a kind of green algae. Fill in the blank(s) with the appropriate word(s)

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The growth factor that stimulates fibroblasts to divide around a wound is released by

a. other fibroblasts. b. capillary endothelial cells. c. platelets. d. lymphocytes.

Biology & Microbiology