A substrate
a. fits into the active site of a specific enzyme.
b. fits into the active site of another specific substrate.
c. catalyzes a chemical reaction.
d. is always a protein.
e. lowers the energy of activation in a chemical reaction.
A; A substrate fits into the active site of an enzyme. This forms the enzyme-substrate complex.
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A difference between a chicken’s foot and a duck’s foot is the presence or absence of webbing – a duck’s foot has webbing between the digits, while a chicken’s foot lacks the webbing. Which of the cell processes that play a role in producing tissues/organs is NOT happening to a great extent during development of a duck’s foot?
A. cell division B. cell growth C. differentiation D. apoptosis E. cell connections
In the flower diagram shown above, the item labeled "5" is the
a. receptacle. b. ovule. c. style. d. stigma. e. anther.
What plant group has the largest number of living species?
A) Seedless vascular plants B) Cone-bearing plants C) Flowering plants D) Seedless, nonvascular plants
Research other articles on Hormesis and homeopathy that both defend and refute the claims and discuss how you use critical thinking to form your opinion about these topics. Do anecdotal claims, that is, patients who report positive or negative results affect your decision? Do you rely more on scientific evidence or do both play a part?
What will be an ideal response?