TLS Online TPP Program

#Id: 10737

#XL - R Botany

Sessile flower (main axis elongated)

Spike

Examples: chaff flower (Achyranthes), bottle brush (Callistemon), Adhatoda vasica, Amaranthus

TLS Online TPP Program

#Id: 9763

#XL - R Botany

To distinguish between “self” and “nonself” during pathogen infection, plants possess pattern recognition receptors (PRRs) that perceive microbe-associated molecular patterns (MAMPs) which are conserved among a specific class of microorganisms (such as chitin for fungi, flagella for bacteria) but are absent in the host.

TLS Online TPP Program

#Id: 9897

#XL - T Zoology

C-type lectin receptor (CLR)

CLRs are plasma membrane receptors and generally recognize carbohydrate components of fungi, mycobacteria, viruses, parasites, and some allergens.

TLS Online TPP Program

#Id: 8859

#XL - R Botany

During G1, 

cohesins associate with chromosomes by cohesin loading factors Scc2 and Scc4 and unloaded continuously by a cohesin associated complex Pds5 and Wap1 proteins. 

TLS Online TPP Program

#Id: 9942

#XL - T Zoology

Diphtheria

Natural infection with C. diphtheriae occurs only in humans and is spread by respiratory droplets. 

The organism colonizes the nasopharyngeal tract and causes little tissue damage, with only a mild inflammatory reaction.