Those who have Down syndrome have three full copies of chromosome 21, a condition termed primary Down syndrome.

familial Down syndrome Human condition caused by a Robertsonian translocation in which the long arm of chromosome 21 is translocated to another chromosome; tends to run in families.

TLS Online TPP Program

#Id: 1168

#Unit 7. System Physiology – Animal

GFR is measured by the clearance of a glomerular marker.

TLS Online TPP Program

#Id: 5259

#Unit 7. System Physiology – Animal

The action potential spreads throughout the myocardium in the following sequence:

SA node  Atrial internodal tracts and atria  AV node  Bundle of His  Purkinje system  Ventricles

TLS Online TPP Program

#Id: 4814

#Unit 13. Methods in Biology

The probability distribution of a statistic, from a particular population, over many random samples is the sampling distribution.

TLS Online TPP Program

#Id: 1228

#Unit 7. System Physiology – Animal

Estrogen stimulates OPG production

TLS Online TPP Program

#Id: 9300

#Unit 4. Cell Communication and Cell Signaling

Rhodopsin has two components: 

Opsin protein, member of the GPCR A family 

11-cis-retinal light-absorbing pigment