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TLS Online TPP Program

#Question id: 27689

Cyanide, a chemical warfare agent, is toxic because it____

#XL - R Botany
  1. binds to the heme a3 in mitochondrial cytochrome c oxidase (in complex IV)
  2. blocks the protein trafficking inside the mitochondria by affecting TIM and TOM channels
  3. inhibits electron transport and thus oxidative phosphorylation
  4.  directly blocks mitochondrial DNA replication
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TLS Online TPP Program

#Question id: 11478

#XL - T Zoology

In a mammalian visual system, visual information is integrated at ________.

 I) the lens

 II) the retina

 III) the optic nerve

 IV) the visual cortex
TLS Online TPP Program

#Question id: 11479

#XL - T Zoology

Tastes and smells are distinct kinds of environmental information where ________.
TLS Online TPP Program

#Question id: 11480

#XL - T Zoology

Most of the chemosensory neurons arising in the nasal cavity have axonal projections that terminate in the ________.
TLS Online TPP Program

#Question id: 11481

#XL - T Zoology

Which of the following sensory receptors is correctly paired with its category?
TLS Online TPP Program

#Question id: 11482

#XL - T Zoology

The umami receptor in the sense of taste detects ________.
TLS Online TPP Program

#Question id: 11486

#XL - T Zoology

The contraction of skeletal muscles is based on ________