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TLS Online TPP Program

#Question id: 3937

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

#Unit 3. Fundamental Processes

  1. Neurospora grows well in rich media and cannot synthesize many enzymes.

  2. Neurospora grows well in minimal media, and is sensitive to enzymatic deficiencies.

  3. Neurospora requires many vitamin additives to grow.

  4. Neurospora was actually a poor choice.

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TLS Online TPP Program

#Question id: 33700

#Unit 2. Cellular Organization

The particular chromosomal regions associated with a rDNA clusters are called as
TLS Online TPP Program

#Question id: 28229

#Unit 5. Developmental Biology

which of the following cells do not capable of unlimited self-renewal?
TLS Online TPP Program

#Question id: 18908

#Unit 13. Methods in Biology

pBR 322 has/have which of the following selection marker(s)?
TLS Online TPP Program

#Question id: 3776

#Unit 3. Fundamental Processes

Telomere shortening puts a limit on the number of times a cell can divide. Research has shown that telomerase can extend the life span of cultured human cells. How might adding telomerase affect cellular aging?
TLS Online TPP Program

#Question id: 7266

#Unit 5. Developmental Biology

After brief examination of the evolution of the tetrapod limb, from fish fins to human hands, has hopefully illuminated the importance of Hox gene regulation during limb development. Hox genes are critical for: