In the Gibbs free-energy relationship, why is the T term necessary?
A) The free-energy change caused by a change in entropy is a function of temperature.
B) The free-energy change caused by a change in potential energy is a function of temperature.
C) The free-energy change caused by a change in electrical charge is a function of temperature.
Answer: A
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Bifidobacteriales are best characterized as Gram-positive, motile, spore-forming rods.
Answer the following statement true (T) or false (F)
The combination of freezing and drying is known as:
A) desiccation. B) lyophilization. C) pasteurization. D) tyndallization.
You have a very sore throat with symptoms indicating strep throat. Since you are taking microbiology right now, you decide that you will take a swab from your throat and swab it onto an enrichment medium like a blood agar plate or a brain-heart infusion agar plate. Why is this not a good idea?
A. You are on a diet now, and you are afraid that the food that you are eating will in some way impact the growth of the bacteria. As a result, you will not get valid results. B. You use a mouthwash a couple of times a day, so you think that the antibacterial properties of the mouthwash will inhibit or kill the oral bacteria and results in invalid results. C. Due to the fact that you cannot easily see the sampling site, there is a high probability that you will not be able to obtain your own specimen without contaminating the sample with your own normal biota. D. All of these statements are correct.
__________, the volume of air that moves in and out of the lungs during one respiratory cycle, is normally far less than __________.
Fill in the blank(s) with the appropriate word(s).