What is the age of the oldest known terrestrial
rock?
a. 4.4 billion years old.
b. 4.4 million years old.
c. 4.4 hundred years old.
d. 4.4 thousand years old.
e. 4.4 qudrillion years old
A
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A) glycolysis ? NADH ? oxidative phosphorylation ? ATP ? oxygen B) citric acid cycle ? FADH2 ? electron transport chain ? ATP C) electron transport chain ? citric acid cycle ? ATP ? oxygen D) pyruvate ? citric acid cycle ? ATP ? NADH ? oxygen E) citric acid cycle ? NADH ? electron transport chain ? oxygen
Auxotrophs ____
a. are nutritional-requirement mutants b. can grow on minimal media c. feed on proteins d. make their own nutrients e. produce antibiotics
Although some bacteria have membranes around their DNA, we do not call these structures nuclei because they lack
____.
a. pores b. proteins c. phospholipids d. a bilayer construction e. ribosomes
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a. tibia b. ulna c. radius d. fibula e. femur