One major problem is that this approach does not take species frequency of occurrence or relative abundance into account.

TLS Online TPP Program

#Id: 7181

#Unit 5. Developmental Biology

Noggin binds to BMP4 and BMP2 and inhibits their binding to receptors

TLS Online TPP Program

#Id: 8470

#Unit 1. Molecules and their Interaction Relevant to Biology

The two forms of poly(Pro)

all cis (I) or all trans (II) peptide bonds. 

poly(Pro) I as a right-handed helix with 3.3 residues per turn 

poly(Pro) II is a left-handed helix with 3 residues per turn.

TLS Online TPP Program

#Id: 4749

#Unit 5. Developmental Biology

At the same time, the sperm microtubules induce the contraction of the actin-myosin cytoskeleton toward the anterior, thereby clearing PAR-3, PAR-6, and PKC-3 from the posterior of the 1-cell embryo.

TLS Online TPP Program

#Id: 9100

#Unit 4. Cell Communication and Cell Signaling

In response to activation of acetylcholine GPCRs, PLC, and the elevation in cytosolic Ca²+, Nitric oxide is synthesized in endothelial cells.

TLS Online TPP Program

#Id: 2399

#Unit 3. Fundamental Processes

There are two classes of snoRNPs involved in rRNA processing in nucleolus. 

The box H/ACA snoRNPs are involved in pseudouridylylation, and box C/D snoRNPs function in 2-O-methylations.