TLS Online TPP Program

#Id: 1506

#Unit 2. Cellular Organization

a-tubulin and b-tubulin comprising 445–450 amino acids, which are tightly held together by noncovalent bonds.

TLS Online TPP Program

#Id: 10246

#Unit 6. System Physiology – Plant

Isopentenyl diphosphate (IPP)

Zeaxanthin (C40)

all trans-Violaxanthin (C40)

9‘-cis-Neoxanthin (C40)

Xanthoxin (C15)

ABA-aldehyde (C15) Abscisic acid (C15) (ABA)

TLS Online TPP Program

#Id: 5736

#Unit 10. Ecological Principles

Proposed attributes of successfully invading species

a. Shedding of natural enemies during colonization 

b. Absence of natural enemies in recipient community 

c. Better competitor than native species 

d. Presence of mutualists in recipient community 

e. High dispersal ability 

f. Association with humans 

g. High reproductive rate (r-selected species) 

h. High growth rate (r-selected species) 

i. Ability to thrive in disturbed areas 

j. Asexual reproduction (plants) 

k. Unique ways of life; occupy vacant niches 

TLS Online TPP Program

#Id: 9461

#Unit 4. Cell Communication and Cell Signaling

Active JAK kinase phosphorylates several tyrosine residues in the receptor’s cytosolic domain and activates a STAT transcription factor that moves directly to the nucleus

TLS Online TPP Program

#Id: 3996

#Unit 7. System Physiology – Animal

Phase 4 (resting membrane potential) averages about −90 millivolts.