Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:Some cells in your body can
produce hydrogen peroxide to help
fight infections. Hydrogen peroxide
(H2O2) is one of many chemicals
that can help cells at low levels and
harm them at high levels. So the
level of hydrogen peroxide in a cell
must be controlled.
Hydrogen peroxide can break down
into water (H2O) and oxygen gas
(O2). An enzyme called catalase
helps speed up this reaction. In this
lab, you will observe this enzyme-
catalyzed reaction. Then you will
design an experiment to determine
the effect of temperature on the
reaction.
Prelab questions:
IDENTIFY THE REACTANT IN THE
CHEMICAL REACTION
IDENTIFY THE SUBSTRATE
IDENTIFY THE ENZYME
IDENTIFY THE PRODUCTS
Catalase
2H,02
2H,0 + 02
Hydrogen
Water
Охудеn
peгoxide
Label the image below with the following
terms: active site, reactant, enzyme.
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