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: 9430

#XL - T Zoology

Bateman’s principle

In most cases, it is the male’s secondary sexual traits that are exaggerated.

This shows that sexual selection is more common and intense on males than females

TLS Online TPP Program

#Id: 9933

#XL - T Zoology

Bacterial Infections

Bacteria enter the body through several natural routes.

TLS Online TPP Program

#Id: 9959

#XL - T Zoology

Wnt = wingless + integrated

TLS Online TPP Program

#Id: 8136

#XL - Q Biochemistry

Golgi apparatus is a major site of carbohydrate synthesis, as well as a sorting and dispatching station for proteins products.

TLS Online TPP Program

#Id: 8036

#XL - Q Biochemistry

Lys & Arg have four ionisations zones

1. 1--------pK1 – charge +2

2. pK1---------pK2 charge +1

3. pK2---------pKr charge 0

4. pKr---------14 charge -1