You are attempting to identify a bacterial sample, and your first step is to perform a Gram stain. If they bacterial cells are Gram positive, that means they have a(n)
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Step 1: Gram-positive bacteria have a thick peptidoglycan layer in their cell wall. Show more…
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Gram-positive bacteria have: A single cell membrane and thick cell wall made of many layers of peptidoglycan. A thinner cell wall with less peptidoglycan sandwiched between the cell membrane and an outer membrane.
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Identify what the following image refers to: Gram-positive bacteria or Gram-negative bacteria? Outer Peptidoglycan membrane, Periplasm, Cytoplasmic membrane, Gram-positive bacteria, Gram-negative bacteria, Mycoplasma, None of the above.
Gram-positive bacteria are often underrepresented in microbiome studies due to difficulties lysing their cell envelope. This is mainly because the Gram-positive bacterial cell envelope is composed of _______. A. A plasma membrane surrounded by a thin layer of cross-linked peptidoglycan and no outer membrane. B. A plasma membrane, a thin peptidoglycan layer, and an outer membrane. C. A plasma membrane, a thick peptidoglycan layer, and an outer membrane. D. None of these descriptions match a Gram-positive cell envelope E. A plasma membrane surrounded by a thick layer of cross-linked peptidoglycan and no outer membrane.
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