For a particular chemical reaction, the enthalpy of the reactants is -400 kJ. The enthalpy of the products is -390 kJ. The entropy of the reactants is 0.2 kJ/K. The entropy of the products is 0.3 kJ/K. The temperature of the reaction is 25 degrees Celsius. What can you conclude about this reaction?
A. it is a redox reaction
B. It is being catalyzed by an enzyme
C. It is endergonic
D. It is exergonic
Answer: D
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A. base pairing with snRNAs. B. site-specific recognition by the Sm proteins. C. RNA hairpin recognition. D. the specific distance of the intron from the mRNA 5' cap.
In meiosis, the separated sister chromatids move to opposite poles of the cell during
A. anaphase II. B. anaphase I. C. telophase I. D. metaphase I. E. metaphase II.
Which of the following will not support viral cultivation?
A. Primary cell cultures B. Embryonated bird eggs C. Continuous cell cultures D. Live lab animals E. All of the choices will support viral cultivation.
The Barr body is the X chromosome in the cell that is expressed, whereas the other X chromosome is inactivated
Indicate whether the statement is true or false