Exam 1: Introduction to the Chemistry of Life

In 1953, Urey and Miller carried out an experiment in which they subjected a mixture of H₂O, CH₄, NH₃, and H₂ to electrical discharges.Which of the following were among the products?

A spontaneous process

The $\Delta$ G° for the conversion of glucose 6-phosphate (G6P)to fructose 6-phosphate (F6P)is +1.7 kJ/mole.In a particular human cell the concentration G6P is 8.0 µM and the concentration F6P is 1.0 µM.Calculate the $\Delta$ G of the reaction as it occurs in this cell at 37°C?

Living organisms are classified thermodynamically as:

Carbohydrates, proteins, nucleotides, and nucleic acids are important groups of molecules found in living organisms.Which 6 elements do living organisms need to build these molecules?

A reaction with a ______ $\Delta$ H and a ______ $\Delta$ S, will never be spontaneous.

Which three cellular components are present in both prokaryotes and eukaryotes?

A van't Hoff plot

Using phylogeny all living organisms can be divided into the following domains:

Which of the following statements about eukaryotes is not true?

Which of the following statements about hydrothermal vents is true?

If gas molecules in an enclosed chamber are allowed to enter a second chamber, the resulting redistribution of gas molecules represents an increase in

Living organisms

An endergonic reaction with a ______ $\Delta$ H and a ______ $\Delta$ S can be changed into an exergonic reaction by decreasing the temperature.

Matching -During chemical evolution, small organic molecules condense to form more complex molecules called ______.

consider the structure of the coenzyme NADP -Which arrow points at a glycosidic bond?