Structure of synthetic auxin, most synthetic auxins are used as herbicides in horticulture and agriculture.

TLS Online TPP Program

#Id: 6305

#Unit 3. Fundamental Processes

The E. coli rrn promoters are also regulated by a pair of small molecules: the initiating NTP (the iNTP) and an alarmone,  guanosine 5 -diphosphate 3-diphosphate (ppGpp). An abundance of iNTP indicates that the concentration of  nucleotides is high, and therefore it is appropriate to synthesize plenty of rRNA. 

TLS Online TPP Program

#Id: 3685

#Unit 2. Cellular Organization

The “introns late” hypothesis is the proposal that the ancestral protein-coding sequences were uninterrupted and that introns were subsequently inserted into them

TLS Online TPP Program

#Id: 2141

#Unit 9. Diversity of Life Forms

Phylogenetic relationships among species are estimated from similarities and differences.

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

TLS Online TPP Program

#Id: 6357

#Unit 8. Inheritance Biology

Leber hereditary optic neuropathy (LHON) - People who have this disorder experience rapid loss of vision in both eyes, which results from the death of cells in the optic nerve.