Practice Questions

TLS Online TPP Program

#Question id: 27689

Cyanide, a chemical warfare agent, is toxic because it____

#XL - R Botany

binds to the heme a3 in mitochondrial cytochrome c oxidase (in complex IV)
blocks the protein trafficking inside the mitochondria by affecting TIM and TOM channels
inhibits electron transport and thus oxidative phosphorylation
directly blocks mitochondrial DNA replication

More Questions

TLS Online TPP Program

#Question id: 3919

#XL - Q Biochemistry

Most of the RNA polymerase activity in eukaryotic cells occurs in the

TLS Online TPP Program

#Question id: 3920

#XL - Q Biochemistry

The genes that encode proteins are transcribed by RNA polymerase __.

TLS Online TPP Program

#Question id: 3921

#XL - Q Biochemistry

Which observation is not evidence that supports the theory that mitochondria and chloroplasts originate from symbiotic bacteria?

TLS Online TPP Program

#Question id: 3922

#XL - Q Biochemistry

The σ70 subunit in E. coli RNA polymerase acts as a/an __.

TLS Online TPP Program

#Question id: 3923

#XL - Q Biochemistry

The transcription of __ RNA accounts for most of the transcriptional activity of a cell.

TLS Online TPP Program

#Question id: 3924

#XL - Q Biochemistry

Characteristics of ligands involved in transcription include: