Natural Science Biology Lab Final Exam
Study online at https://quizlet.com/_9o5h43
1. An Enzyme 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
2. What is the molecule that enzymes act on? substrate
3. Cellular and plasma enzymes function opti- at a lower pH because the stomach envi-
mally around a neutral pH of 7. At what pH ronment is acidic.
would a stomach enzyme function best?
4. all of the following require the use of en- a log burning down to ashes.
zymes except:
5. human body temperature is ~37ºC. what the individual would have low evolution-
would happen if an individual were born with ary fitness and would not survive to pass
a mutation that caused a vital enzyme to on the mutation to future generation.
function at only 10ºC?
6. It is important to wash your glassware thor- Any trade of enzyme in the glassware will
oughly after exposing them to enzymes be- continue to react and may ruin future ex-
cause: periments
7. The enzymes found in your body will operate 37ºC
most efficiently at which temperature?
8. A cell contains thousands of different kinds of enzymes,
each promoting a different chemical re-
action
9. The optimal temperature for enzyme activity 37.5
in the human body is around ____ degrees
Celsius.
1/5
, Natural Science Biology Lab Final Exam
Study online at https://quizlet.com/_9o5h43
10. Enzymes are biological catalysts
11. which of these factors do not have any influ- size of cell
ence on enzymes?
12. what is the name of the enzyme that cat- catalase
alyzes hydrogen peroxide?
13. The place where the substrate fits into the active site
enzyme is called the
14. which of these items contains the most cata- liver
lase?
15. the rate at which an enzyme functions is af- temperature, pH, concentration of sub-
fected by which of the following? strate
16. Bubbles form in eukaryotic cells due to peroxisomes
________________ breaking H2O2 into water
and oxygen.
17. what characteristic of enzymes makes them 3-D protein structure
specific to a reaction?
18. what is aseptic technique? a technique in lab to prevent the spread
of bacteria
19. while prescribed to an antibiotic, a patient is these products are good sources of pro-
advised to eat cultured dairy products, such biotics.
as yogurt. this is because
20. what type of bacterial infection is a serious MRSA
and growing problem in hospitals?
2/5
Study online at https://quizlet.com/_9o5h43
1. An Enzyme 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
2. What is the molecule that enzymes act on? substrate
3. Cellular and plasma enzymes function opti- at a lower pH because the stomach envi-
mally around a neutral pH of 7. At what pH ronment is acidic.
would a stomach enzyme function best?
4. all of the following require the use of en- a log burning down to ashes.
zymes except:
5. human body temperature is ~37ºC. what the individual would have low evolution-
would happen if an individual were born with ary fitness and would not survive to pass
a mutation that caused a vital enzyme to on the mutation to future generation.
function at only 10ºC?
6. It is important to wash your glassware thor- Any trade of enzyme in the glassware will
oughly after exposing them to enzymes be- continue to react and may ruin future ex-
cause: periments
7. The enzymes found in your body will operate 37ºC
most efficiently at which temperature?
8. A cell contains thousands of different kinds of enzymes,
each promoting a different chemical re-
action
9. The optimal temperature for enzyme activity 37.5
in the human body is around ____ degrees
Celsius.
1/5
, Natural Science Biology Lab Final Exam
Study online at https://quizlet.com/_9o5h43
10. Enzymes are biological catalysts
11. which of these factors do not have any influ- size of cell
ence on enzymes?
12. what is the name of the enzyme that cat- catalase
alyzes hydrogen peroxide?
13. The place where the substrate fits into the active site
enzyme is called the
14. which of these items contains the most cata- liver
lase?
15. the rate at which an enzyme functions is af- temperature, pH, concentration of sub-
fected by which of the following? strate
16. Bubbles form in eukaryotic cells due to peroxisomes
________________ breaking H2O2 into water
and oxygen.
17. what characteristic of enzymes makes them 3-D protein structure
specific to a reaction?
18. what is aseptic technique? a technique in lab to prevent the spread
of bacteria
19. while prescribed to an antibiotic, a patient is these products are good sources of pro-
advised to eat cultured dairy products, such biotics.
as yogurt. this is because
20. what type of bacterial infection is a serious MRSA
and growing problem in hospitals?
2/5
