Practice Questions

TLS Online TPP Program

#Question id: 3937

Why was Neurospora a good organism for Beadle and Tatum's studies?

#Unit 3. Fundamental Processes

Neurospora grows well in rich media and cannot synthesize many enzymes.
Neurospora grows well in minimal media, and is sensitive to enzymatic deficiencies.
Neurospora requires many vitamin additives to grow.
Neurospora was actually a poor choice.

More Questions

#Question id: 3921

#Unit 3. Fundamental Processes

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

#Question id: 3922

#Unit 3. Fundamental Processes

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

#Question id: 3923

#Unit 3. Fundamental Processes

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

#Question id: 3924

#Unit 3. Fundamental Processes

Characteristics of ligands involved in transcription include:

#Question id: 3925

#Unit 3. Fundamental Processes

Constitutive genes

#Question id: 3926

#Unit 3. Fundamental Processes

Positive regulation of a gene requires __.