What happened to the composition of the solution inside the reaction chamber as a catalase reaction proceeded? Why was it a good practice to start with fresh hydrogen peroxide for each experimental trial?
What will be an ideal response?
The hydrogen peroxide was catalyzed by the catalase in the liver extract and became water and oxygen gas. Fresh hydrogen peroxide was used to insure that the reaction took place at the same rate and to the same end point each time.
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If a blood buffer is absent, which function of the blood would be compromised?
A. Transport of ions B. Clot formation C. Regulation of pH D. Protection against foreign substances E. Maintenance of body temperature
The heart sounds heard through a stethoscope are caused by the impact of the blood churning in the chambers.?
Indicate whether the statement is true or false
The majority of the fibers of the gluteus maximus insert onto the __________.
A. gluteal tuberosity B. iliotibial tract C. superior border of the os coxae D. inferior border of the os coxae
Researchers have found that on the island of Mangaia:
A. experiencing three orgasms per night is typical across the lifespan. B. older women and men instruct young boys in sexual matters. C. older men instruct young girls in sexual matters. D. older men do not have sex.