4. For a reaction with ΔH=10kJ / mol and ΔS=15J/K·mol, at 37℃, the reaction is:
4. For a reaction with ΔH=10kJ / mol and ΔS=15J/K·mol, at 37℃, the reaction is:
A) spontaneous
B) nonspontaneous
C) at equilibrium
D) impossible to determine reactivity
E) none of the above
5. Which three cellular components are present in both prokaryotes and eukaryotes?
A) ribosomes, chloroplasts, mitochondria
B) nucleus, ribosomes, RNA
C) RNA, DNA, ribosomes
D) endoplasmic reticulum, DNA, RNA
E) mitochondria, DNA, RNA
6. Which cellular compartment or organelle is involved in the synthesis of proteins and lipids?
A) endoplasmic reticulum
B) lysosomes
C) peroxisomes
D) vacuoles
E) all of the above
7. Change in enthalpy (Δ H) is best defined as
A) the sum of heat absorbed and work done.
B) the heat transferred at constant pressure.
C) the pressure change at constant temperature.
D) the measure of disorder in a system.
E) none of the above
Homework Answers
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4. For a reaction with ΔH=10kJ / mol and ΔS=15J/K·mol, at 37℃, the reaction is:
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