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TLS Online TPP Program

#Question id: 31059

Activated MAP kinase phosphorylates the HER1 EGF receptor on a threonine residue near the juxtamembrane domain. Phosphorylation of this threonine residue: 

#Unit 4. Cell Communication and Cell Signaling
  1. Increases the ability of the receptor kinase to become fully active
  2. Decreases the ability of the receptor kinase to become fully active
  3. Increases the ability of the receptor kinase to become inactive
  4. Decreases the ability of the receptor kinase to become inactive
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TLS Online TPP Program

#Question id: 13037

#Unit 13. Methods in Biology

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: 13038

#Unit 13. Methods in Biology

Please arrange the following steps about ELIZA (Enzyme-linked immunosorbent assay) in chronological order
i. incubate with antibody-enzyme complex that binds primary antibody
ii. coat surface with antigen, block unoccupied sites with nonspecific protein
iii. add substrate, formation of colored product indicates presence of specific antigen
iv. incubate with primary antibody against specific antigen
TLS Online TPP Program

#Question id: 13039

#Unit 13. Methods in Biology

 Which of the following is incorrect about a microarray?
TLS Online TPP Program

#Question id: 13040

#Unit 13. Methods in Biology

Which of the following is incorrect about Oligonucleotide Design in A microarray? 
TLS Online TPP Program

#Question id: 13041

#Unit 13. Methods in Biology

Which of the following is incorrect about Data Collection? 
TLS Online TPP Program

#Question id: 13042

#Unit 13. Methods in Biology

For analyzing DNA sequences, two techniques have been developed, one is _________ method frequently termed_________, involving the enzymatic synthesis of DNA and stopping the synthesis at specific nucleotides. While another technique, the __________ method of DNA sequencing developed by ___________ is often used for sequencing small fragments of DNA.