Compared with a eukaryotic cell, a prokaryotic cell
A) lacks organelles beyond ribosomes
B) does not require energy
C) is not living
D) is larger
E) has no method of movement
Ans: A) lacks organelles beyond ribosomes
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According to genome analysis, a member of the genus ________ is most closely related to the mitochondrion.
A. Agrobacterium B. Prochloron C. Rickettsia D. Escherichia
The figure shows the evolutionary diversification of the largest clade of herbivorous beetles with the group of plants on which they specialize. Choose the true statements about the evolution of species richness in herbivorous beetles.
_____ Feeding on conifers evolved earlier than feeding on angiosperms.
_____ Feeding on cycads evolved earlier than feeding on angiosperms.
_____ Diversification of the angiosperms may have led to diversification of herbivorous beetles.
_____ The multiple, independent evolution of herbivory in beetles is closely linked to their great species richness.
The female gametophyte in flowering plants forms in a
a. calyx. b. carpel. c. receptacle. d. corolla. e. stamen.
AIDS is short for
a. Acquired Immune Deficiency Syndrome. b. Accelerated Immune Death Syndrome. c. Accentuated Induced Deficiency Syndrome. d. Advantageous Immunity Deficiency Syndrome. e. none of these.