Which set of traits best characterizes the amphibian class?

Select one:

a. tetrapod, gills, moist skin, scales

b. tetrapod, lungs, moist skin, scales

c. tetrapod, gills, lungs, scales

d. tetrapod, gills, lungs, moist skin

What is the basic unit of structure and function of all living organisms? mitochondrion DNA nucleus cell

Which of the following best describes pollution discharged by cruise ships? a. Cruise ships only discharge sewage and liquid wastes. b. Cruise ships discharge sewage, solid, liquid, and air pollution. c.

Eco-friendly means of production

Base excision repair (BER) differs from nucleotide excision repair (NER) in which of the following ways? 1) NER involves the removal and replacement of DNA containing altered bases, while BER does not.

The energy released from the redox reactions in the electron transport chain is used by the cell to make

All processes of moving materials across the plasma membrane are classified as either A) diffusion or osmosis B) passive or active transport C) phagocytosis or pinocytosis D) endocytosis or exocytosis

What three factors does a species diversity index take into account? a. Species richness, species diversity, and species productivity b. Species richness, species abundance, and species evenness c.

Wins or losses are the ultimate measure is competitive sports. True or false?

DNA, the genetic material of living organisms, is damaged by light in the A) visible region of the spectrum. B) ultraviolet region, especially below a wavelength of 320 nm. C) ultraviolet region, especially above a wavelength of 340 nm.

Genetic engineering to create biomedical products that benefit society often involves of recombinant DNA technology. Recombinant DNA is DNA that has?