Pouches in the gut wall developed into ____ in

fishes that are ancestral to land vertebrates.
a. heart chambers
b. the notochord
c. lobes of the liver
d. lungs
e. vocal cords


D

Biology & Microbiology

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Photoautotrophs use light energy directly for

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A _______ is a combination of a plasmid vector and phage ?

A. contig B. artificial chromosome C. cosmid D. positional clone E. transposable element

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The white cliffs of Dover, England are composed of the fossilized remains of:

1.diatoms 2.foraminifera 3.euglenoids 4.radiolarians

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Achondroplasia

a. is inherited as an autosomal recessive condition. b. affects about one in one million people. c. affects only homozygotes. d. is characterized by abnormally short arms and legs. e. is all of these.

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