Myosin I

single head domain

Function- Membrane association, endocytosis

TLS Online TPP Program

#Id: 2886

#Unit 3. Fundamental Processes

A hexamer of DnaB forms the replication fork. Gyrase and SSB are also required

TLS Online TPP Program

#Id: 7761

#Unit 1. Molecules and their Interaction Relevant to Biology

A covalent bond is a chemical bond that occurs when two or more atoms share electrons. The sharing of electrons helps complete the outer shell, or valence shell, of both atoms. The sharing of electrons creates a stable balance of attractive and repulsive forces between atoms.

TLS Online TPP Program

#Id: 6112

#Unit 3. Fundamental Processes

Mismatch Repair removes errors that escape Proofreading

TLS Online TPP Program

#Id: 8127

#Unit 1. Molecules and their Interaction Relevant to Biology

β-Carotene is the precursor of vitamin A1.
Oxidation at C-15 converts retinol to the aldehyde, retinal, and further oxidation produces retinoic acid, a hormone that regulates gene expression. 

TLS Online TPP Program

#Id: 744

#Unit 3. Fundamental Processes

free energy for this reaction is rather small (DG–3.5 kcal/mol).