In most vertebrates the spinal cord is dorsal to the gut

a. true
b. false


Answer: a. true

Biology & Microbiology

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Plasmid cloning vector DNA is usually introduced into bacterial hosts by

A. ligation. B. transformation. C. plasmolysis. D. transduction.

Biology & Microbiology

Hepatitis is triggered by

a. dark colored colas. b. certain drugs, obesity, or environmental toxins. c. over use of of vitamins. d. drinking too much alchol one night. e. no known cause.

Biology & Microbiology

Organisms that live at or near boundaries are called

A) boundary species. B) edge species. C) patch species. D) matrix species.

Biology & Microbiology

During embryological development, if a certain gene on the Y chromosome is activated during the sixth or seventh week of development, the embryo will develop into a ________

Fill in the blank(s) with correct word

Biology & Microbiology