Which of these options would be the most efficient human food source?
A) beef B) soybeans C) chicken D) swordfish
Answer: B
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What activity of Pol I makes it uniquely suited for its role in bacterial DNA replication?
What will be an ideal response?
When DNA is replicated, ____
a. parental histones are degraded and entirely replaced by new histones b. DNA is permanently freed from histone binding
c. the histone proteins are also replicated d. only some of the histone proteins are replicated e. the number of histones that bind to each DNA molecule is halved
Prescription drugs such as Prozac help maintain higher levels of serotonin in the brain. What effect will this have on an individual?
A) It will act as an antidepressant because a lack of serotonin is considered a cause of depression symptoms. B) It will act to suppress impulsive behavior because too much serotonin causes children to act out. C) It will cause a patient to be sleepy because serotonin is essential to a good night's sleep. D) It will cause tetany due to an overproduction of acetylcholine.
Yeast consume garbage and other dead organic matters, so they are called this
A) Primary consumers B) Producers C) Decomposers D) herbivores