Proto-cells are considered to have
a. been simple membrane-bound sacs.
b. been able to capture energy
c. been able to engage in metabolism.
d. been able to reproduce.
e. all of these.
Answer: e
You might also like to view...
The membrane of a resting neuron is most permeable to which of the following ions?
A. Cl- B. Ca2+ C. Na+ D. K+ E. H+
Which of the following is considered a key human made contributor to global warming?
a. carbon dioxide b. hydrochlorofluorocarbons c. nitrous oxide d. ethane e. surface ozone
All of the following are Coliforms that cause Opportunistic and Nosocomial Infections, except:
a. Klebsiella b. Citrobacter. c. Shigella d. Serratia e. Enterobacter
Much of the tropical rain-forest land that has been lost has been used for
A) recreational areas. B) airfields to support ecotourism. C) wildlife preserves. D) human dwellings. E) farmland.