Which of the following is/are means whereby a catalyst can lower the activation energy of a reaction?

A) decreasing the number of reactive molecules
B) altering the temperature within the cell to one appropriate for reactions to proceed
C) quantum tunneling
D) inefficient collisions
E) permanently binding substrates


Answer: C

Biology & Microbiology

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Hormones responsible for the fight-or-flight response are produced in the ________

Fill in the blank(s) with correct word

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Before contact with Europeans, a tiny, isolated group of South Pacific islands had a population of about 50,000 people. Because of poor management of their own resources, the population fell to around 5000 by about the year 1750. When Europeans finally

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If you could stop diffusion of substances in fruit fly zygotes, could you stop normal development? Why or why not?

What will be an ideal response?

Biology & Microbiology