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TLS Online TPP Program

#Question id: 38074

Regarding vascular connections with the callus or explant, which statement is true? 

#Plant Biotechnology
  1. Somatic embryos have vascular strands connected to the callus. 
  2. Shoot buds have no vascular connection with the callus. 
  3. Shoot buds have vascular strands connected to the callus/explant. 
  4. Both shoot buds and somatic embryos lack vascular connections.
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TLS Online TPP Program

#Question id: 12938

#Bio-Informatics

What is the main advantage of using Yeast Artificial Chromosome based vector over other vectors?
1. It has ability to clone very large fragments of DNA.
2. YAC vectors do not contain origin of replication sites 
3. It has insert  range up to 2000 kb.
4. It help in genome mapping and sequencing projects.
TLS Online TPP Program

#Question id: 13032

#Bio-Informatics

In SDS-PAGE, protein sample is first treated with detergent sodium dodecyl sulfate (SDS), in order to
TLS Online TPP Program

#Question id: 13035

#Bio-Informatics

Each band on the gel represents a different protein (or protein subunit); _____ proteins move through the gel more _____ than_____ proteins and therefore are found nearer the _____ of the gel.
TLS Online TPP Program

#Question id: 13036

#Bio-Informatics

In isoelectric focusing the protein will move until
TLS Online TPP Program

#Question id: 13037

#Bio-Informatics

Which of the following proteins will be most far away from the positively charged electrode during isoelectric focusing in a buffer with pH of 5?
TLS Online TPP Program

#Question id: 13052

#Bio-Informatics

What would be the effect on the PCR reaction if any of the following circumstances arose: 1) there are no primers in the reaction, 2) there are no dNTPs in the reaction, 3) there is no Taq polymerase in the reaction?