Which portion of the figure above may ultimately be better depicted as a "ring"?

A) the bacterial lineage
B) the archaean lineage
C) the eukaryotic lineage
D) the trunk of the tree


D

Biology & Microbiology

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Animals with bilateral symmetry typically undergo an evolutionary process whereby many nerve cells and sensory structures become concentrated at the front of the body. What is this process called?

a. segmentation b. cephalization c. coelom formation d. pupation e. radiation

Biology & Microbiology

The letter "A" in the above figure represents

a. transverse. b. radial. c. tangential. d. elliptical. e. obtuse.

Biology & Microbiology

Reactions involving electron removal are called ________ reactions.

A. dehydration B. decomposition C. reduction D. dissolution E. oxidation

Biology & Microbiology

Induction often occurs for ________ pathways, whereas repression is more common in ________ pathways

a. anabolic / biosynthetic b. anabolic / catabolic c. biosynthetic / anabolic d. catabolic / anabolic

Biology & Microbiology