Which one of the following gases was not a component of the simulated atmosphere in the Miller-Urey experiment?
A. hydrogen
B. water vapor
C. oxygen
D. methane
E. ammonia
Answer: C
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If you were working on a comatose patient suffering from extreme hypoglycemia, you would try to find the cause by asking a friend of the patient if they knew of a history of either
A. too much insulin being produced. B. too little insulin being produced. C. insufficient carbohydrate intake or too much insulin production. D. insufficient carbohydrate intake. E. insufficient carbohydrate intake or too little insulin production.
The jaw structure of hominid fossils reveals two trends in hominid evolution. Which of the following best describes these trends?
A) As hominids evolved, their jaws became larger and the angle at which the jaw protrudes from the face increased. B) As hominids evolved, their jaws became larger and the angle at which the jaw protrudes from the face decreased. C) As hominids evolved, their jaws became smaller and the angle at which the jaw protrudes from the face decreased. D) As hominids evolved, their jaws because smaller and the angle at which the jaw protrudes from the face increased
Answer the following questions true (T) or false (F)
1. Most U.S.-grown corn is genetically modified. 2. Goats can be cloned to provide us with human medicines. 3. It doesn't matter whether a hypothesis is correct when it is first stated.
An individual has a genetic disorder in which their cell is not forming the correct protein structure for the cell membrane to allow entry of a particular ion. Doctors have determined that in order to help cure this person, they need to alter the shape of the protein. Which type of regulation of gene expression would have the greatest chance of success?
A. posttranscriptional control B. translational control C. transcriptional control D. posttranslational control E. pretranscriptional control