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Gram-negative bacteria have a thin peptidoglycan layer in their cell wall and an outer membrane, while gram-positive bacteria have a thick peptidoglycan layer but lack an outer membrane. Gram-negative bacteria also have lipopolysaccharides in their outer membrane, which gram-positive bacteria do not have. Additionally, gram-negative bacteria are typically more resistant to antibiotics due to the presence of the outer membrane.

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What are the differences between yeast and bacteria?

Yeast are single-celled fungi that reproduce through budding, while bacteria are single-celled microorganisms without a nucleus. Yeast are eukaryotic, meaning they have a nucleus, while bacteria are prokaryotic, lacking a defined nucleus. Additionally, yeast are typically larger in size compared to bacteria.


What are the key differences between streptococcus and staphylococcus bacteria in terms of their characteristics and effects on human health?

Streptococcus and Staphylococcus are both types of bacteria that can cause infections in humans, but they have some key differences. Streptococcus bacteria are usually found in chains and can cause illnesses like strep throat and pneumonia. Staphylococcus bacteria are usually found in clusters and can cause skin infections like boils and abscesses. Both types of bacteria can be treated with antibiotics, but some strains have become resistant to certain medications. It is important to seek medical attention if you suspect an infection caused by either of these bacteria.


The three-domain system recognizes fundamental differences between two groups of?

The three-domain system recognizes fundamental differences between the Archaea, Bacteria, and Eukarya domains. These differences are based on genetic, biochemical, and structural characteristics that distinguish each domain from one another. This system has replaced earlier classification systems that grouped all organisms into either plants or animals.


Why did woese propose classifying bacteria and archaea into separate domains Rather than just separate kingdoms?

Woese proposed separating bacteria and archaea into separate domains because they have fundamental genetic and biochemical differences that are more substantial than differences between other groups classified at the same hierarchical level. This classification reflects the evolutionary distance between these two groups and their distinctiveness in terms of genetic information processing and cell structure.


Explain the differences between parasitic and saprophytic bacteria?

Parasitic bacteria rely on living hosts for nutrients and cause harm to the host, while saprophytic bacteria obtain nutrients from dead organic matter without causing harm to living organisms. Parasitic bacteria typically have specialized mechanisms for invading host cells, while saprophytic bacteria decompose organic material through extracellular enzymes.

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In regards to taxonomic classification of bacteria what is the relationship between physiological and genetic differentiation of bacteria?

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Gram stain is commonly used to distinguish differences between the cell walls of medically important bacteria. This technique categorizes bacteria into Gram-positive (purple) and Gram-negative (pink) based on their cell wall structure, aiding in identification and classification of bacteria in microbiology.


Why is monera obsolete?

The classification of Monera as a kingdom is now considered obsolete because advancements in genetic analysis have revealed significant differences between bacteria and archaea, which were previously grouped together in Monera. These differences justify their separate classification into two distinct domains, Bacteria and Archaea.


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What are 2 differences among bacteria viruses and fungi?

The main difference is that the bacteria are prokaryotic organisms, and fungi are eukaryotic organisms.There are many differences between the living organisms of bacteria and fungi. Some of the differences are, bacteria multiplies by binary fission, and fungi multiplies by branching and elongation. Fungi are parasitic eukaryotes, and bacteria are prokaryotes.


What is the main differences between bacteria and viruses?

Bacteria are single-celled organisms that can reproduce independently, while viruses are not cells and require a host cell to replicate. Bacteria are larger and can be treated with antibiotics, whereas viruses are much smaller and are typically treated with antiviral medications.


What are the differences between yeast and bacteria?

Yeast are single-celled fungi that reproduce through budding, while bacteria are single-celled microorganisms without a nucleus. Yeast are eukaryotic, meaning they have a nucleus, while bacteria are prokaryotic, lacking a defined nucleus. Additionally, yeast are typically larger in size compared to bacteria.


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