The observed "puffs" in the polytene chromosomes of Drosophila are sites of

A) attenuation.
B) condensation.
C) induction.
D) transcription.
E) translation.


D) transcription.

Biology & Microbiology

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Order the following regions of a gene from the most upstream region (1) to the most downstream region (5). _____ -35 consensus sequence _____ rut site _____ Pribnow box _____ terminator _____ coding sequence

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

In ChIP-Seq, the DNA fragments to be sequenced are around 150 bp in length. What does this size of DNA represent?

A. The length of a promoter B. The amount of DNA wrapped around a nucleosome C. The average length of a gene D. The average distance between genes E. The amount of DNA between nucleosomes

Biology & Microbiology

The process of gas exchange in parabronchi is similar to:

a. osmosis in spiracles. b. respiration in tracheal tubes. c. concurrent exchange in gills. d. diffusion in small animals. e. countercurrent exchange in gills.

Biology & Microbiology

In future, medical schools will have to adapt their education to include ________ to better equip physicians to interpret precision medicine data

A) bioinformatics B) anatomy C) biochemistry D) pharmacology

Biology & Microbiology