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#Id: 3219

Transcribed genes are preferentially repaired when DNA damage occurs.

#Unit 3. Fundamental Processes #DNA damage and repair mechanisms #Part B Pointers

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#Id: 545

#Unit 2. Cellular Organization

In peptidoglycan the amino acids occur in an alternating pattern of D and L forms

#Id: 546

#Unit 2. Cellular Organization

Racemase is responsible for converting D amino acid into L form.

#Id: 547

#Unit 2. Cellular Organization

Negative charge (due to phosphate) of teichoic acids may play role in cell growth, preventing extensive wall breakdown.

#Id: 548

#Unit 2. Cellular Organization

Outer membrane of gram negative provides barrier to certain antibiotics, lysozyme, detergents, heavy metals, bile salts, etc.

#Id: 549

#Unit 2. Cellular Organization

Mycoplasma’s plasma membrane contains sterols which protect them from lysis.

#Id: 550

#Unit 2. Cellular Organization

Genus Proteus can lose their cell walls and swell into irregular shaped cells called L forms.