Four of the five gases listed below were components
of the first primitive atmosphere simulation
experiment. Select the exception.
a. CH4
b. CO2
c. H2
d. H20
e. NH3
Answer: b
You might also like to view...
Which of the following is not an advantage of extracellular digestion?
A. The interior of cells is protected from hydrolytic enzymes. B. Very large portions of food can be consumed at once and digested over a long period of hours to weeks. C. Specialized regions of the cavity can segregate digested food from nondigested food. D. Digestion can be regulated by hormones. E. Vacuoles allow for direct phagocytosis by individual cells.
The "big bang" refers to
a. an event marking the beginning of the universe. b. the extinction of the dinosaurs. c. the inevitable end of the universe. d. the collision of the first galaxies forming the universe as it is today. e. the inevitable death of large stars.
Which of the following is not an attribute used to distinguish protostomes from deuterostomes?
A. origin of mesoderm B. cleavage pattern C. presence/structure of coelom D. fate of blastopore
The malarial parasite, Plasmodium, is a member of the group
A. Diplomonads. B. Euglenozoa. C. Rhodophyta. D. Alveolata. E. Stramenopiles.