Lecture 8- Practice Questions

Question 1

What is metabolomics

Answer 1

science concerned with collection of analysis of multiple metabolites within a sample

Question 2

On Bacteria Promoters:

What bind Sigma & Alpha

Answer 2

Alpha -> Up Element

Sigma -> -10 -35

Question 3

T/F

Promoters without Up Elements are weak elements and do not perform Transcription very well?

Answer 3

True

Question 4

What is a Ribose-Switch?

Answer 4

Transcripts at the 5’ end form into a DNA structure that has an affinity for specific ligand & production of protein that transcription encodes.

Whatever the normal product of the protein that transcription encodes for OR end product of pathway that protein is involved in . The protein will have a fold for that protein on the 5’ end and prematurely terminate.

This is a Feedback Regulation Mechanism