With a negative feedback mechanism, the value in question will vary around a set point.
Answer the following statement true (T) or false (F)
True
In a negative feedback mechanism, when the value in question is over or under a set point, the system brings about an effect to return the value to that set point. Therefore, the value will vary around a set point.
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Certain proteins can bind to specific DNA regulatory sequences by entering
A. the major groove of the DNA and reading the nucleotide base pairs. B. the minor groove of the DNA and reading the nucleotide base pairs. C. the major groove of RNA and reading the nucleotide base pairs. D. DNA's major groove by using DNA polymerase and reading the nucleotide base pairs. E. DNA's minor groove by using DNA polymerase and reading the nucleotide base pairs.
Which of the following is an example of reaction that is exergonic and results in increases of entropy in the system?
a. ATP hydrolysis b. condensation on a cup of ice c. freezing of water in winter d. climbing up the ladder e. ATP synthesis
Which of the following is not a typical attribute of an early-successional species?
A) rapid growth B) excellent dispersal ability C) large seed size D) shade-intolerance E) ability to colonize unexploited environments
A mushroom with an 8-centimeter cap can produce as many as ________ spores per hour.
A. 100,000 B. 1 million C. 1,000 D. 40 million