A culture of bacteria is fed glucose containing radioactive carbon and is then examined. During the citric acid cycle, radioactive carbon would first appear in
A) NADH.
B) citrate.
C) oxaloacetate.
D) CO2.
Answer: B
You might also like to view...
Water that moves through nonliving regions of root, such as air spaces in root tissue, is following the ____
a. symplastic pathway only b. transmembrane and symplastic pathways c. transmembrane pathway only d. apoplastic, transmembrane, and symplastic pathways e. apoplastic pathway only
A neuron's __________ receive signals, and its __________ transmits signals. Fill in the blank(s) with the appropriate word(s)
A fertilized moth egg passes through which stages of
development before becoming an adult? I. larval II. pupal III. reproductive a. I only b. II only c. I and II d. I and III e. II and III
Drugs known as beta-lactams interfere with bacterial (DNA/folic acid/cell wall) synthesis.
Fill in the blank(s) with the appropriate word(s).