TLS Online TPP Program

#Question id: 2545


If plant cells are grown on media containing radioactively labeled thymine for one generation, radioactively labeled macromolecules will be detected in which of the following?

#Unit 2. Cellular Organization
  1. only in the nucleus

  2. only in the nucleus and mitochondria

  3. only in the nucleus and chloroplasts

  4. in the nucleus, mitochondria, and chloroplasts

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TLS Online TPP Program

#Question id: 4534

#Unit 3. Fundamental Processes

The yeast Saccharomyces cerevisiae divides by budding: instead of dividing to produce two identical daughter cells, the so-called mother cell buds to produce a daughter cell, The HO gene is expressed only in mother cells and only at a certain point in the cell cycle,

1. SBF

I- Which is active only during the G1-S transition of the cell cycle.

2. SWI5

II-Which acts only in the mother cell.

III- Recruit nucleosome modifiers

TLS Online TPP Program

#Question id: 4984

#Unit 11. Evolution and Behavior

A hypothetical mutation in a squirrel population produces organisms with eight legs rather than four. Further, these mutant squirrels survive, successfully invade new habitats, and eventually give rise to a new species. The initial event, giving rise to extra legs, would be a good example of

TLS Online TPP Program

#Question id: 17198

#Unit 7. System Physiology – Animal

What is the role of endorphins?

TLS Online TPP Program

#Question id: 29078

#Unit 10. Ecological Principles

A specific kind of parasitism proposes that  in which cuckoos or cowbirds repeatedly check their host’s nests and destroy all eggs if their owner is not present. If the parasite egg has been removed, they destroy the host’s nest and kill or injure the nestlings, this is an example of____

TLS Online TPP Program

#Question id: 28056

#Unit 1. Molecules and their Interaction Relevant to Biology

The fact that the core of most globular proteins is composed of non-polar residues is because of