Explore BrainMass
Share

Chromosomal puff of Polytene chromosome

This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

1. Explain why a well-adapted organism synthesizes only the proteins necessary at any particular moment.
2. When radioactive uracil is injected into the developing larvae of Drosophilia, only certain regions of the chromosomes in certain tissues contain radioactive uracil. Explain this observation.

© BrainMass Inc. brainmass.com March 21, 2019, 3:06 pm ad1c9bdddf
https://brainmass.com/biology/genetics/chromosomal-puff-of-polytene-chromosome-142218

Solution Preview

1. Protein synthesis at any particular moment depends upon the specific cellular conditions. It is a function of gene regulation or operon. Proteins in any cell are synthesized only at the time of its requirement. In ...

Solution Summary

Chromosomal puff is an important feature of salavary gland chromosome of drosophilia. Radioactive uridine is often utilized to study chromosomal puffs.

$2.19