Among the diverse components of plant defense arsenals are proteins that interfere with herbivore digestion, Given some defense compound of plants in column I with its given action in column II

Column I	column II
I)  α-amylase inhibitors	a) Antidigestive proteins, block the action of herbivore proteolytic enzymes. After entering the herbivore’s digestive tract, they hinder protein digestion by binding tightly and specifically to the active site of protein-hydrolyzing enzymes such as trypsin and chymotrypsin
II) Lectins	b) block the action of the starch-digesting enzyme
III) proteinase inhibitors	c) A defensive proteins that bind to carbohydrates or carbohydrate-containing proteins. After being ingested by an herbivore, bind to the epithelial cells lining the digestive tract and interfere with nutrient absorption

Correctly match the defence compound withits action on herbivore;

TLS Online TPP Program

#Question id: 4445

#Unit 3. Fundamental Processes

The active site, which is made up of RPB1 and RPB2, from both these subunits, is found at the base of the pincers within a region called the “active center cleft” . The active site works according to the two-metal ion catalytic mechanism for nucleotide addition proposed for all types of polymerase;

TLS Online TPP Program

#Question id: 4446

#Unit 3. Fundamental Processes

Transcription start site is designated with the;

TLS Online TPP Program

#Question id: 4447

#Unit 3. Fundamental Processes

Sequences in the direction in which transcription proceeds are referred to as __?from the start site, and allotted a? value.

TLS Online TPP Program

#Question id: 4448

#Unit 3. Fundamental Processes

Three defined steps in a transcription cycle; choose correct one

1a. Closed complex	In this form, the DNA remains double-stranded, and the enzyme is bound to one face of the helix. I
1b. Open complex	In which the DNA strands separate over a distance of 13 bp around the start site to form the transcription bubble. In the next stage of initiation,
2. Promoter escape	Incorporation of the first 10 or so ribonucleotides is a rather inefficient process, and at that stage, the enzyme often releases short transcripts and then begins synthesis again
3. Initial transcribing complex.	Once an enzyme makes a transcript longer than 10 nucleotides, it is said to have

TLS Online TPP Program

#Question id: 4449

#Unit 3. Fundamental Processes

Promoters recognized by polymerase containing s70 share the following characteristic structure;

TLS Online TPP Program

#Question id: 4450

#Unit 3. Fundamental Processes

According to the correlation between promoter strength and sequence, in all these promoters which one is seems like very weak promoter or non-existing in any organism