TLS Online TPP Program

#Id: 3862

#Unit 5. Developmental Biology

Early on during aggregation, gene expression requires the activity of cAMP-dependent protein kinase.

TLS Online TPP Program

#Id: 5315

#Unit 7. System Physiology – Animal

Rapid Ventricular Ejection

atrial filling begins 

left atrial pressure slowly increases as blood is returned to the left heart from the pulmonary circulation.

TLS Online TPP Program

#Id: 1184

#Unit 7. System Physiology – Animal

When light strikes the outer segment of Rod cells: 

Na + channels closed 

Hyperpolarizing receptor potential

TLS Online TPP Program

#Id: 9414

#Unit 11. Evolution and Behavior

TLS Online TPP Program

#Id: 8477

#Unit 1. Molecules and their Interaction Relevant to Biology

Each single strand of the b-sheet structure can be pictured as a twofold helix, that is, a helix with two residues per turn.

The arrangement of successive amide planes has a pleated appearance due to the tetrahedral nature of the Ca atom.