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TLS Online TPP Program

#Question id: 34540

Which of the following are true about Gram-negative bacterial cell walls?

#XL - S Microbiology
  1. They have a thin peptidoglycan layer located in the periplasmic space
  2. They contain lipopolysaccharide (LPS) in the outer membrane
  3. Peptidoglycan is directly exposed to the external environment
  4. Porins are present in the outer membrane
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TLS Online TPP Program

#Question id: 5745

#XL - R Botany

Consider a species with a diploid (2n) number of 16 chromosomes. How many chromosomes would be found in a trisomic body cell?
TLS Online TPP Program

#Question id: 5746

#XL - S Microbiology

A base change resulting in a codon specifying an amino acid which is different than in the wild-type polypeptide
TLS Online TPP Program

#Question id: 5746

#XL - T Zoology

A base change resulting in a codon specifying an amino acid which is different than in the wild-type polypeptide
TLS Online TPP Program

#Question id: 5746

#XL - R Botany

A base change resulting in a codon specifying an amino acid which is different than in the wild-type polypeptide
TLS Online TPP Program

#Question id: 5747

#XL - S Microbiology

Mosaicism is due to
TLS Online TPP Program

#Question id: 5747

#XL - T Zoology

Mosaicism is due to