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Natural Science Biology Lab Final Exam Questions and Answers
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Natural Science Biology Lab Final Exam Questions and Answers
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Natural Science Biology Lab Final ExamQuestions and Answers
An Enzyme - Answers -is not used up when catalyzing a reaction, lowers the activation
energy of a reaction, and bonds with a substrate molecule at the enzyme's active site
What is the molecule that enzymes act on? - Answers -substrate
Cellular and plasma enzymes function optimally around a neutral pH of 7. At what pH
would a stomach enzyme function best? - Answers -at a lower pH because the stomach
environment is acidic.
all of the following require the use of enzymes except: - Answers -a log burning down to
ashes.
human body temperature is ~37ºC. what would happen if an individual were born with a
mutation that caused a vital enzyme to function at only 10ºC? - Answers -the individual
would have low evolutionary fitness and would not survive to pass on the mutation to
future generation.
It is important to wash your glassware thoroughly after exposing them to enzymes
because: - Answers -Any trade of enzyme in the glassware will continue to react and
may ruin future experiments
The enzymes found in your body will operate most efficiently at which temperature? -
Answers -37ºC
A cell contains - Answers -thousands of different kinds of enzymes, each promoting a
different chemical reaction
The optimal temperature for enzyme activity in the human body is around ____ degrees
Celsius. - Answers -37.5
Enzymes - Answers -are biological catalysts
which of these factors do not have any influence on enzymes? - Answers -size of cell
what is the name of the enzyme that catalyzes hydrogen peroxide? - Answers -catalase
The place where the substrate fits into the enzyme is called the - Answers -active site
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