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Enzyme and Endocrine Disruptor Clarifications

Which of these apply to Enzymes

A. The majority of chemical reactions in our bodies do not require enzymes.
B. Enzymes are functional proteins
C. Enzymes get used up as part of a reaction
D. Cyto chrome P-450 is an example of an enzyme that helps to oxidize chemicals in the body.
E. Biotransformation of toxins could not occur without enzymes

Which of these statements apply to endocrine disruptors

A. They are toxins that disrupt a hormone or enzyme in the human body
B. They are exogenous substance which causes adverse effects in an organism subsequent to changes in the endocrine system
C. They disrupt the nervous system
D. An example of an endocrine disruptor is one that mimics estrogens.
E. They can affect the rate of children development

Solution Preview

Which of these apply to Enzymes

A. The majority of chemical reactions in our bodies do not require enzymes.
(False. Most biochemical reactions in the body require the participation of enzymes.)

B. Enzymes are functional proteins
(True. They function to catalyze chemical reactions.)

C. Enzymes get used up as part of a reaction
(False. The essence of a catalyst is that it does not get used up. It gets recycled so ...

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