TLS Online TPP Program

#Question id: 18741


At times it is observed that non-recombinant plasmids are more than that of recombinant plasmids. Choose the correct statement in regard to it.

#Part-A Aptitude & General Biotechnology
  1. It makes easier to get the recombinant plasmids from the mixture
  2. The ratio of insert DNA to vector DNA is reduced to get recombinant plasmids
  3. Alkaline phosphatase is used to get recombinant plasmids
  4. Alkaline phosphatase method is less reliable in comparison to the ratio method
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TLS Online TPP Program

#Question id: 11205

#Part-B Specialized Branches in Biotechnology

What would probably happen if a long neuron had one continuous myelin sheath down the length of the axon with no nodes of Ranvier?

TLS Online TPP Program

#Question id: 11206

#Part-B Specialized Branches in Biotechnology

Tetrodotoxin blocks voltage-gated sodium channels, and ouabain blocks sodium-potassium pumps. If you added both tetrodotoxin and ouabain to a solution containing neural tissue, what responses would you expect?

TLS Online TPP Program

#Question id: 11207

#Part-B Specialized Branches in Biotechnology

In multiple sclerosis, the myelin sheaths around the axons of the brain and spinal cord are damaged and demyelination results. How does this disease manifest at the level of the action potential?

 I) Action potentials move in the opposite direction on the axon.

 II) Action potentials move more slowly along the axon.

 III) No action potentials are transmitted.

TLS Online TPP Program

#Question id: 11208

#Part-B Specialized Branches in Biotechnology

Neurotransmitters are released from axon terminals via ________.

TLS Online TPP Program

#Question id: 11209

#Part-B Specialized Branches in Biotechnology

Acetylcholine released into the junction between a motor neuron and a skeletal muscle binds to a sodium/potassium channel and opens it. This is an example of ________.

TLS Online TPP Program

#Question id: 11210

#Part-B Specialized Branches in Biotechnology

An inhibitory postsynaptic potential (IPSP) occurs in a membrane made more permeable to ________.