Which enzyme catalyzes the reaction: 2H2O2 ? 2H2O + O2?

A) catalase
B) oxidase
C) peroxidase
D) superoxide dismutase


A

Biology & Microbiology

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Which of the following is NOT TRUE of

photolysis? a. It is a function of the cyclic pathway. b. It involves photosystem II. c. It occurs in the light-dependent reactions. d. It is the source of oxygen in photosynthesis. e. It directly replaces electrons lost by p680

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The contractile ring that works with animal cells could not work with plant cells because __________. Fill in the blank(s) with the appropriate word(s)

Biology & Microbiology

Exergonic reactions do not require activation energy to get started since they release energy.

a. true b. false

Biology & Microbiology

In trees, such as the horse chestnut, the abscission of leaves and fruits in the fall is mediated by ____.

A. abscisic acid B. auxin C. ethylene D. cytokinin E. gibberellin

Biology & Microbiology