The heart consists of two kinds of muscle cells: 

Contractile cells 

Conducting cells

TLS Online TPP Program

#Id: 3207

#Unit 3. Fundamental Processes

Deamination of cytosine creates a U-G base pair. Uracil is preferentially removed from the mismatched pair

TLS Online TPP Program

#Id: 1430

#Unit 4. Cell Communication and Cell Signaling

Integrins are involved in biological activities, includes: 

Extravasation

Cell-to-cell adhesion

Cell migration

Receptors for certain viruses

Angiogenesis

Apoptosis

TLS Online TPP Program

#Id: 8031

#Unit 1. Molecules and their Interaction Relevant to Biology

TLS Online TPP Program

#Id: 6591

#Unit 7. System Physiology – Animal

Growth hormone is necessary for controlling background metabolic functions of the testes, specifically promotes early division of the spermatogonia themselves

TLS Online TPP Program

#Id: 2177

#Unit 11. Evolution and Behavior

Hitchhiking - An allele at one locus spreads by natural selection acting on a second locus that is in linkage disequilibrium with  the first.