Lipids as pigments in plants and bird feathers.

Birds acquire the pigments that color their feathers red or yellow by eating plant materials that contain carotenoid pigments, such as canthaxanthin and zeaxanthin.

The differences in pigmentation between male and female birds are the result of differences in intestinal uptake and processing of carotenoids.

TLS Online TPP Program

#Id: 789

#Unit 3. Fundamental Processes

Rho factor is an essential protein in E. coli that causes transcription termination, accounts for almost half of E. coli terminators.

TLS Online TPP Program

#Id: 5481

#Unit 7. System Physiology – Animal

ACh diffuses across the synaptic cleft to the postsynaptic Membrane of motor end plate, which contains nicotinic receptors

TLS Online TPP Program

#Id: 10504

#Unit 4. Cell Communication and Cell Signaling

Human Bcl-2 protein = C. elegans CED-9 protein

(23% identical in aa sequence)

TLS Online TPP Program

#Id: 5916

#Unit 3. Fundamental Processes

TLS Online TPP Program

#Id: 3272

#Unit 3. Fundamental Processes

Mismatch Repair Correction of the rare mismatches left after replication in E. coli improves the overall fidelity of replication by an additional factor of 10^2 to 10^3.