notSelectivity or separation factor, a, which can also be viewed as simply the relative retention ratio for the two analytes:

TLS Online TPP Program

#Id: 3201

#Unit 3. Fundamental Processes

Nucleotide excision repair (NER) systems excise a sequence that includes the damaged base(s). a new stretch of DNA is then synthesized to replace the excised material.

TLS Online TPP Program

#Id: 1840

#Unit 11. Evolution and Behavior

Quaternary- Extinctions of large mammals, and birds; evolution of Homo sapiens, spread out of Africa

TLS Online TPP Program

#Id: 8398

#Unit 2. Cellular Organization

In the presence of ATP and Ca+2 , the myosin heads extending from the thick

filaments walk toward the (+) ends of the thin filaments.

TLS Online TPP Program

#Id: 3236

#Unit 3. Fundamental Processes

transitions, which are pyrimidine-to-pyrimidine and purine-to-purine substitutions, such as T to C and A to G;

TLS Online TPP Program

#Id: 8351

#Unit 2. Cellular Organization

WASp activation requires two signals (This type of two-signal input, called coincidence detection):

1. regulatory phospholipid PIP2

2. small GTP-binding protein Cdc42