A Biochemist Discovers Several New Microorganisms in a Sample Taken

Multiple Choice

A biochemist discovers several new microorganisms in a sample taken from the bottom of a deep lake in Antarctica.In characterizing one of these organisms, she finds that it cannot survive in an aerobic environment and produces lactic acid as a waste product.What is also likely true about this organism?

A) It is able to oxidize pyruvate to acetyl CoA.
B) It is able to oxidize glucose to carbon dioxide.
C) It lacks genes for citric acid cycle enzymes.
D) It expresses all of the respiratory chain proteins.
E) It lacks genes for the glycolytic enzymes.