Phylogenetic relationships among species are estimated from similarities and differences.

TLS Online TPP Program

#Id: 8081

#Unit 13. Methods in Biology

Determination of the thermodynamics of folding and unfolding of proteins

TLS Online TPP Program

#Id: 1202

#Unit 7. System Physiology – Animal

Three estrogens are present in the plasma of the human female:

1. β-estradiol

2. Estrone

3. Estriol

TLS Online TPP Program

#Id: 3299

#Unit 3. Fundamental Processes

Another example of a fail-safe system is a glycosylase that removes a T opposite a G. Such a T:G mismatch can arise, as we have seen, by spontaneous deamination of 5-methylcytosine,which occurs frequently in the DNA of vertebrates. 

TLS Online TPP Program

#Id: 4034

#Unit 7. System Physiology – Animal

The rate of spontaneous discharge increases Norepinephrine secreted by the sympathetic endings binds to β1 receptors

TLS Online TPP Program

#Id: 2580

#Unit 7. System Physiology – Animal

Proximal tubule epithelial cells are highly metabolic and have large numbers of mitochondria to support

powerful active transport processes.