1. Parenchyma
2. Sclerenchyma
3. Collenchymas
4. Companion cells
Sclerenchyma
1. E.coli
2. Salmonella typhimurium
3. B.thuringiensis
4. Yeast
Salmonella typhimurium
1. The portion closest to the vestibular window
2. The middle portion
3. The portion closest to the cochlear nerve
4. The end portion
The end portion
1. The double helix
2. Errors in base sequence
3. Polymorphism in sequence
4. DNA replication
5. DNA coiling.
Polymorphism in sequence
1. Vessels are unicellular and with narrow lumen
2. Vessels are multi cellular and with wide lumen
3. Tracheids are multi cellular and with wide lumen
4. Tracheids are multi cellular and with narrow lumen
Vessels are multi cellular and with wide lumen
1. 1 2 3 4
2. 1 4 3 2
3. 2 1 3 4
4. 2 3 1 4
2 3 1 4
1. DNA ligase
2. Exonucleases
3. Endonucleases
4. DNA polymerase.
DNA ligase
1. basilar membrane
2. vestibule
3. tectorial membrane
4. utricle
basilar membrane
1. Isolation of DNA molecule
2. Cutting of DNA into fragments
3. Separating of DNA fragments according to their size
4. Construction of recombinant DNA by joining with cloning vectors.
Separating of DNA fragments according to their size
1. Mesophytes
2. Young roots
3. Leaves
4. Mature stems
Young roots