The degradation of which class of biochemicals does not significantly contribute to the release of energy to cells?

TLS Online TPP Program

#Question id: 20328

#Unit 4. Cell Communication and Cell Signaling

Acyl-homomserine lactones (AHLs) are auto-inducers used by Gram-negative bacteria to communicate. Which statements are about that Quorum sensing signaling in bacteria. 

a. transcription is activated at low cell density

b. transcription is not activated at low cell density

c. transcription is activated at high cell density

d. transcription is not activated at high cell density

e. Upon reaching a threshold concentration, AHL can bind to its receptor LuxR.

f. Upon reaching a threshold concentration, AHL can bind to Lux box.

TLS Online TPP Program

#Question id: 5200

#Unit 11. Evolution and Behavior

What is the difference between a linkage map and a physical map?

TLS Online TPP Program

#Question id: 5801

#Unit 8. Inheritance Biology

Which of the following point mutations would be most likely to affect protein function?

TLS Online TPP Program

#Question id: 5012

#Unit 11. Evolution and Behavior

A	Silurian	I	Seed plants appear
B	Devonian	II	Gymnosperms dominant
C	Carboniferous	III	Invasion of land by primitive land plants
D	Jurassic	IV	first reptiles

TLS Online TPP Program

#Question id: 27551

#Unit 1. Molecules and their Interaction Relevant to Biology

Glycine at pH 2.34, where there is an equal mixture of +H3N-CH2-COOH and +H3N-CH2-COO-  then the average or net positive charge is