The ribotide and riboside forms of trans-zeatin can be interconverted, and free trans-zeatin can be formed from the ribotide by the

TLS Online TPP Program

#Question id: 19101

#Unit 4. Cell Communication and Cell Signaling

which are specialized bacteria that are obligate parasites of the phloem tissue?

TLS Online TPP Program

#Question id: 19102

#Unit 4. Cell Communication and Cell Signaling

Phytoplasmas are specialized bacteria that are obligate parasites of the phloem tissue. They are mainly spread by these insects except;

TLS Online TPP Program

#Question id: 19103

#Unit 4. Cell Communication and Cell Signaling

During infection, most bacteria remain in extracellular spaces and use a specialized mechanism, to deliver bacterial effector proteins into the plant cell that is

TLS Online TPP Program

#Question id: 19104

#Unit 4. Cell Communication and Cell Signaling

The structural components of the T3SS are encoded by the clustered gene known as

TLS Online TPP Program

#Question id: 19105

#Unit 4. Cell Communication and Cell Signaling

The type III secretion system (T3SS), to deliver bacterial effector proteins into the plant cell have been identified to be secretion of enzymes which causes dead of the plant, these enzymes are;

a) Phosphatases

b) Proteases 

c)  Lyases

d) Isomerase

e) Ligase

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#Question id: 19308

#Unit 4. Cell Communication and Cell Signaling

Match the following;

Column A	Column B	Column C
A) Attack strategy	i) Secreted cell wall-degrading enzymes ii) Intimate intracellular contact with plant cells iii) Initial biotrophic phase	a) Necrotrophy
		b) Biotrophy
B) Host range	iv) Intermediate v) Narrow vi) Broad	c) Hemibiotrophy