Inside a bacteria

The bacteria species has

• Thin peptidoglycan

• Chitin in its cell wall

• Lipopolysaccharide outside its cell wall

• Teichoic acid

For water uptake, a bacterial cell can do .... transport that works due to concentration gradient

Reason why a bacterial cell can be differentiated from a yeast cell based on their ribosome

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OFF

Bacillus anthracis can produce endospore

• to reproduce

• as part of defence mechanism

• that can be destroy easily using pasteurisation

• that is dangerous even without germination

Lipid bilayer in a bacterium's cytoplasmic membrane

• has non-polar fatty acid head that is hydrophobic

• has polar fatty acid tail that is hydrophobic

• has non-polar fatty acid tail that is hydrophilic

• has polar fatty acid head that are hydrophobic

Streptomycin and gentamycin are antibiotics that work specifically on bacteria due to their effects to peptidoglycan

• True

• False

Nucleus can be found in

• Only in Gram-positive bacteria

• Both Gram-positive and Gram-negative bacteria

• A yeast's cell

• A virus's cell

Why bacterial plasmid is often used in genetic engineering for carrying some genetic materials and for other genetic manipulation process?

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OFF

Oxygen uptake by an aerobic bacteria species can be considered as passive transport because it does not require

Lipopolysaccharides

• Can be found in Gram-negative bacteria and has chitin and sterol as its main contents

• Has positive-charge and can be found in Gram-negative bacteria

• Can be found in spore-former Gram-negative bacteria only

• Can be found in all Gram-negative bacteria