TLS Online TPP Program

#Question id: 1420


Examination of a cell’s structure reveals condensed chromatin, a shrunken cytoplasm, but unfragmented DNA and a lack of blebbing. If this cell has been triggered to undergo apoptosis by an extrinsic factor, which of the following events has NOT likely happened yet?

#4. Cell Communication and Cell Signaling
  1. activation of a TNF-α  receptor

  2. recruitment of TRADD

  3. recruitment of FADD

  4. inactivation of caspases

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TLS Online TPP Program

#Question id: 21813

#12. Applied Biology

Which one of the following sensors measures acceleration and vibration?

TLS Online TPP Program

#Question id: 21814

#12. Applied Biology

A biosensor used for the detection of S-nitrosothiols have immobilized glutathione peroxidase enzyme containing selenocysteine residue that catalytically produces 

TLS Online TPP Program

#Question id: 21815

#12. Applied Biology

A new biosensor is described for the detection of S-nitrosothiols based on their decomposition by immobilized _________enzyme containing selenocysteine residue.

TLS Online TPP Program

#Question id: 22937

#5. Developmental Biology

Gene for regulatory pathway that promotes flowering of Arabidopsis in long days:

TLS Online TPP Program

#Question id: 22938

#5. Developmental Biology

Genes that regulate flowering, have different transcription factors and functions:
 
 Gene Transcription Factor Family Functions
 1. CONSTANS (CO) i- bHLH P- Activates flowering in response to long photoperiods 
 2. FLOWERING D (FD) ii- Zinc finger Q- Receptor for florigen, activates flowering via AP1

 3. PHYTOCHROME INTERACTING

 FACTOR4 (PIF4)

 iii- bZIP R- Activates florigen in response to high temperature
 4. FLOWERING LOCUS C iv- MADS S- Floral repressor
Choose correct match:

TLS Online TPP Program

#Question id: 22939

#5. Developmental Biology

CO gene expression appears to be highest in the companion cells of the phloem of leaves and stems, the downstream target gene of CONSTANS is