Formation/Cycle
Characteristics
Intrinsic vs. Extrinsic Variables
Quorum Sensing
Cole Questions
100

This process involves sending signals to organisms to bind to substrate and to each other, causing the biofilm to grow

What is Quorum Sensing?

100

Slower metabolizing cells are located towards here in the biofilm

What is the center?

100

The texture of what the biofilm can attach to is

Extrinsic

100

The strength of the response is based off of

What is Density?

100

This place has my favorite cheese fries

What is StaggerInn?

200

This is the first step to biofilm formation.

What is the formation of a conditioning layer?

200
The outer layer of the bio film holds this charge which allows it to stick to surfaces and hold back antimicrobials

Negative charge

200

Cell surface properties are

Intrinsic

200

There are three rules concerning quorum sensing systems. Name one.

What is: 

Must produce an autoinducer

Must have a receptor for the autoinducer

Binding must induce a response

200

My major other than Biochemistry is

What is Microbiology

300

This is when planktonic cell binding becomes permanent

What is the secretion of the Extracellular Polymeric Matrix (EPM)?

300

Biofilm longevity and resilience is related to the population's ______

What is genetic and/or physiological diversity?

300

pH is

Extrinsic

300

Gram positive cell quorum sensing is mediate by this polymer of a macromolecule 

What is peptides

300

My cat is this old

What is 17?

400

These forces holds the planktonic cells in a reversible attachment

What are van der Waals interactions?

400

This feature in the biofilm's architecture allows for the transportation of nutrients and quorum sensing

What are water channels?

400

EPS and EPM is 

Intrinsic

400

Which type of bacteria uses the same autoinducer molecule to activate its enzyme production

What is Gram Negative?

400

This is one of the best sequel films of all time IMO

What is Shrek 2
500

Two ways that biofilms could be detached were mentioned. Name both.

What is mechanical shearing and quorum sensing mediated?

500

Nutritional gradients partition the biofilms into these ecological roles

What are niches
500

Extracellular appendages are

Intrinsic 
500

If you degrade autoinducers to stop quorum sensing, this part of the mechanism remains unaffected

What is LuxI or LuxI-like enzyme producing the autoinducers?

500

A random one off fact I knew about a particularly funny gene name. This gene is responsible for embryonic morphogenesis in ALL animals and is named after

What is Sonic the Hedgehog (SHH gene)?