Yogurt contains galactose and glucose, which are generated when bacterial enzymes act on milk sugars. What is the main source of the galactose in yogurt?
A. Sucrose
B. Fructose
C. Maltose
D. Lactose
E. Glycogen
Answer: D
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Bartel's research group showed that an RNA replicase ribozyme could be created by _____
A) carefully synthesizing a novel ribozyme monomer by monomer based on the sequence of known ribozymes B) creating large numbers of random RNA segments and testing each one to see if any replicase activity was present C) starting with random components and allowing selection to result in molecules that were better and better at replicating D) examining protein replicases and reverse-engineering an RNA molecule capable of doing the same job
Dr. Ratard was trying to determine the cause of a mysterious epidemic affecting fish in the gulf of New Mexico. His proposal that the deaths were caused by an organism called a protist is considered a(n) _________
A. theory. B. data set. C. hypothesis. D. conclusion. E. experiment.
Draw a diagram of a typical neuron, label its parts, and list the function of each labeled structure. What will be an ideal response?
In the Citrate Agar, the agar turns blue when
A. The pH is increased B. The pH is decreased C. The pH did not change D. The pH is irrelevant