Multiple Choice
Why is it important to understand the structure of a bacterial cell when developing an antibiotic?
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26. Prokaryotes
Prokaryotic Cell Structure
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Join thousands of students who trust us to help them ace their exams!Watch the first videoMultiple Choice
Lipopolysaccharide is a component of the cell membrane of which cell type?
A
Archaea
B
Gram-positive bacteria
C
Gram-negative bacteria
D
Eukaryotic cells
Verified step by step guidance1
Understand the structure of lipopolysaccharides (LPS). Lipopolysaccharides are large molecules consisting of a lipid and a polysaccharide joined by a covalent bond. They are important components of the outer membrane of certain bacteria.
Identify the types of bacteria based on their cell wall structure. Bacteria are classified into two main groups based on their cell wall composition: Gram-positive and Gram-negative bacteria.
Recognize the characteristics of Gram-positive bacteria. Gram-positive bacteria have a thick peptidoglycan layer and lack an outer membrane, which means they do not contain lipopolysaccharides.
Recognize the characteristics of Gram-negative bacteria. Gram-negative bacteria have a thin peptidoglycan layer and possess an outer membrane that contains lipopolysaccharides, making them distinct from Gram-positive bacteria.
Conclude that lipopolysaccharides are found in the outer membrane of Gram-negative bacteria, not in Archaea, Gram-positive bacteria, or eukaryotic cells.
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Prokaryotic Cell Structure practice set
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