On the basis of the appearance of this place, what are you testing for? When you added a reagent to this plate, these bubbles appeared. What is the name of this reagent and what are those bubbles? The image depicts a petri dish with bacterial colonies growing on an agar medium. The colonies appear to be arranged in streaks, which is a common method used to isolate and identify bacteria in laboratory settings. The dish shows both linear streaks and a densely populated area where the bacteria have formed a more substantial growth, possibly indicating different stages or techniques in the streaking process. The background surface is a laboratory workspace, adding context to the experimental setting. This setup is typically used in educational environments to demonstrate microbiological techniques and bacterial growth patterns.

Answered: On the basis of the appearance of this…

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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Question

On the basis of the appearance of this place, what are you testing for? When you added a reagent to this plate, these bubbles appeared. What is the name of this reagent and what are those bubbles?

The image depicts a petri dish with bacterial colonies growing on an agar medium. The colonies appear to be arranged in streaks, which is a common method used to isolate and identify bacteria in laboratory settings. The dish shows both linear streaks and a densely populated area where the bacteria have formed a more substantial growth, possibly indicating different stages or techniques in the streaking process. The background surface is a laboratory workspace, adding context to the experimental setting. This setup is typically used in educational environments to demonstrate microbiological techniques and bacterial growth patterns.

Expert Solution

Introduction

Catalase is an enzyme that reacts with hydrogen peroxide to form water and oxygen. Catalase enzyme is seen predominately in organisms that live in oxygen-prone environments. It protects organs such as the liver from preventing the accumulation of peroxide, which is formed continuously by numerous metabolic reactions.

Catalase is a tetramer of four polypeptide chains each having 500 amino acids. It contains four iron-containing heme group that allows its reaction with hydrogen peroxide. The optimal pH for Catalase is 7.