Question

Gram-staining is a procedure that microbiologists use to a. determine if a bacterial strain is a pathogen. b. determine if a sample of bacteria sample can break down oil. c. infer the structure of the cell wall of bacteria and their response to antibiotics. d. count bacteria in medical or environmental samples. e. do all of the above.

Name: Problem 3, Chapter 27: Biology
Uploaded: 2021-07-12T17:31:34-08:00
Duration: 1 min 26 s
Channel: Christina Sorrentino
Description: Gram-staining is a procedure that microbiologists use to a. determine if a bacterial strain is a pathogen. b. determine if a sample of bacteria sample can break down oil. c. infer the structure of the cell wall of bacteria and their response to antibiotics. d. count bacteria in medical or environmental samples. e. do all of the above.

   Gram-staining is a procedure that microbiologists use to
a. determine if a bacterial strain is a pathogen.
b. determine if a sample of bacteria sample can break down oil.
c. infer the structure of the cell wall of bacteria and their response to antibiotics.
d. count bacteria in medical or environmental samples.
e. do all of the above.

Biology

Robert J. Brooker 5th Edition

Chapter 27, Problem 3

Instant Answer

Solved by Expert Christina Sorrentino

07/12/2021

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Gram-staining is a method used in microbiology to differentiate bacterial species into two large groups (Gram-positive and Gram-negative) based on the chemical and physical properties of their cell walls. Show more…

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Gram-staining is a procedure that microbiologists use to a. determine if a bacterial strain is a pathogen. b. determine if a sample of bacteria sample can break down oil. c. infer the structure of the cell wall of bacteria and their response to antibiotics. d. count bacteria in medical or environmental samples. e. do all of the above.

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Key Concepts

Gram Staining

A differential staining technique used in microbiology that categorizes bacteria as Gram-positive or Gram-negative. This process uses a series of dyes and chemicals to reveal differences in the cell wall composition, which is essential for bacterial classification.

Bacterial Cell Wall Structure

The structure of a bacterium's cell wall, including the thickness of the peptidoglycan layer and the presence of an outer membrane, determines its staining behavior and has important implications for its physiology and how it interacts with its environment.

Antibiotic Susceptibility

The characteristics of the bacterial cell wall, as revealed by staining techniques, are critical in predicting how bacteria respond to antibiotics. Antibiotics that target cell wall synthesis can be more or less effective depending on whether a bacterium is Gram-positive or Gram-negative.

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