In woody plants, phloem is found in the

a. annual rings.
b. inner bark region.
c. outer bark region.
d. parenchyma.


B

Biology & Microbiology

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Ribozymes

A. are complexes of ribosomes and RNA. B. are self-catalytic RNA. C. suggest that nucleic acids evolved before proteins. D. are enzymes that degrade RNA and therefore have potential for clinical applications. E. are self-catalytic RNA AND suggest that nucleic acids evolved before proteins.

Biology & Microbiology

Which pair of organisms would be classified as prokaryotes?

a. Fungi and Plantae b. Bacteria, Archaea and Fungi c. Animalia and Plantae d. Fungi, Plantae and Animalia e. Bacteria and Archaea

Biology & Microbiology

Ghost shrimp live:

a. in burrows. b. under rocks on the mud flat. c. on the surface of the mud. d. in the water above the mud flat. e. symbiotically with bivalves.

Biology & Microbiology

Four of the five answers listed below are related by the same function. Select the exception

a. blood plasma b. carbaminohemoglobin c. oxyhemoglobin d. carbonic acid e. bicarbonate ions

Biology & Microbiology