Practice Questions

TLS Online TPP Program

#Question id: 34547

Which statements correctly describe porins in Gram-negative bacteria?

#XL - S Microbiology

They are non-specific channels for small hydrophilic solutes
They are located in the inner membrane
They contribute to selective permeability of the outer membrane
They allow diffusion of molecules larger than 600 Da without specificity

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TLS Online TPP Program

#Question id: 13223

#XL - R Botany

At the endodermis, which pathway is blocked by the Casparian strip

TLS Online TPP Program

#Question id: 13224

#XL - R Botany

TLS Online TPP Program

#Question id: 13225

#XL - R Botany

The three elements are not considered mineral nutrients these are-

TLS Online TPP Program

#Question id: 13229

#XL - R Botany

Deficiencies in mineral elements in most species chlorosis (yellowing of the leaves), especially in the older leaves near the base of the plant by

TLS Online TPP Program

#Question id: 13232

#XL - R Botany

Plants that develop root pressure frequently produce liquid droplets on the edges of their leaves, a phenomenon known as

TLS Online TPP Program

#Question id: 13233

#XL - R Botany