QUESTION 11 2.703 points
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Lacy had set up two enzymatic reactions using catechol oxidase: Sample #1 contained catechol
oxidase and hydroquonine, and sample #2 contained catechol oxidase and catehol.
Explain these absorbance values:
Sample: Absorbance Value:
#1
0.0034
#2
1.987
a. Hydroquinonone is the best substrate for catechol oxidase as it yields the highest amount
of benzoquinone.
b. Hydroquinone and catechol are structurally the same.
c. Enzymes are substrate-specific. Catechol oxidase binds best with catechol due to it's
structure, ana yields a high amount of benzoquinone.
d. Hydroquinone fits well in the active site of catechol oxidase, but is released from the active
site before the catalytic reaction occurs.
e. Hydroquinone and catechol are equally compatible substrates for catechol oxidase.
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I believe that the answer is A or C.

Explanation:

Hope this helps!

=)

the ems is the abbreviation for the emergency medical services. it is a service provided by a group of medical professionals specialised doctors and other healthcare staff.

any one can call 911 in case of any medical emergency and a group of health care professional will come and give the treatment required. every day the ems staff receive many phone call, which are related to different types of medical emergencies, out of which 25-28% are exclusively related to the respiratory issues.

so, the correct answer is 25-28%.

answer;

a. sheep consumption efficiency would be reduced.

explanation;

-trophic efficiency is a measure of how much energy occurs at one level divided by the energy at the level immediately below it . trophic efficiency incorporates three types of efficiency:

-the proportion of available energy that is consumed (consumption efficiency).   it is the proportion of the available biomass that is ingested by consumers.

-the proportion of ingested food that is assimilated (assimilation efficiency).

-the proportion of assimilated food that goes into new consumer biomass (production efficiency).

-in this case, the grasshoppers would affect sheep by reducing the proportion of the available biomass that is ingested by the sheep.