The methanogenic archaeans are ____
a. aerobes
b. facultative anaerobes
c. strict aerobes
d. facultative anaerobes
e. strict anaerobes
ANSWER: e
You might also like to view...
The amino acid composition of thermostable proteins is not particularly unusual, except for a bias for increased levels of amino acids that form ?-helices
Indicate whether the statement is true or false.
What fraction of the time will the cross of Aa Bb Cc with Aa Bb Cc produce an offspring that
expresses all three dominant genes? a. 3/64 b. 1/16 c. 1/8 d. 9/64 e. 27/64
Which one of the following forms of contraception is the most effective in preventing pregnancy?
A) condom B) rhythm method C) diaphragm D) tubal ligation E) cervical cap
Products of photosynthesis The main product of photosynthesis used by plants is
a) glucose. b) oxygen. c) carbon dioxide. d) chlorophyll. e) sunlight.