Many people die each year from ingesting antifreeze solutions. Antifreeze contai

Question

Many people die each year from ingesting antifreeze solutions. Antifreeze contains ethylene glycol, which the human body converts to oxalic acid in the presence of the enzyme alcohol dehydrogenase. Oxalic acid exists in crystalline form and these crystals can severely damage kidneys. Ethanol is administered to victims with ethylene glycol poisoning because ethanol binds to the active site of alcohol dehydrogenase, inhibiting the formation of oxalate crystals. How would you classify ethanol in this scenario? a. allometric inhibitor of ethylene glycol b. allosteric inhibitor of ethylene glycol c. cofactor of ethylene glycol d. competitive inhibitor of ethylene glycol c. covalent inhibitor of ethylene glycol How are enzymes typically inactivated in the human body? Choose any that apply. a. changing pH in cytoplasm to 7.4 b. changing temperature to 37 degree C c. denaturation d. interaction with inhibitor c. interaction with zymogen Based on the diagram below, what aspects of this chemical reaction are altered by the enzyme (catalyst)? Choose any that apply. a. decreases activation energy b. increases activation energy c. decreases net tree energy d. increases net free energy Consider a thermostatic heating system in a home in terms of homeostatic regulation. You want your home to stay around a nice comfortable temperature of 70 degree C. a. furnace b. opening outside door c. 70 degree F d. room temperature e. thermometer f. thermostat g. turning on a space heater What is the thermostatically regulated variable in this scenario? What is the sensor? What is the integrator?

Explanation / Answer

Ans-21

Enzyme is made of protein.When shape of protein is changed, then enzyme does not function ,known as denaturation.

It occur due to high temperature,ph etc.So ans is (c)

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