Practice Questions

TLS Online TPP Program

#Question id: 34081

Which of the following are true about the peptidoglycan layer in bacterial cell walls?

#XL - S Microbiology

It is thicker in Gram-negative bacteria than in Gram-positive bacteria
It contains N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM)
It is composed of glycan strands cross-linked by peptides
It is absent in Mycoplasma species

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TLS Online TPP Program

#Question id: 17283

#XL - R Botany

The structural integrity of bacteria is to peptidoglycan as the structural integrity of plant spores is to__

TLS Online TPP Program

#Question id: 17284

#XL - S Microbiology

Which kind of plant tissue should lack phragmoplasts?

TLS Online TPP Program

#Question id: 17284

#XL - R Botany

Which kind of plant tissue should lack phragmoplasts?

TLS Online TPP Program

#Question id: 17654

#XL - S Microbiology

The protein concentration in DNA extraction sample measured by

TLS Online TPP Program

#Question id: 17655

#XL - S Microbiology

In DNA isolation, for protein free solution what will be the ratio at nm

TLS Online TPP Program

#Question id: 17668

#XL - S Microbiology

The most recent common ancestor of all land plants was probably similar to modern-day members of which group?