TLS Online TPP Program

#Question id: 1155


The activity of beta-adrenergic receptors is regulated by:

#Unit 4. Cell Communication and Cell Signaling
  1. beta-adrenergic receptor kinase (BARK).

  2. calmodulin.

  3. beta-tubulin.

  4. rhodopsin kinase

More Questions
TLS Online TPP Program

#Question id: 5068

#Unit 5. Developmental Biology

In TGF-b signaling, the transcription factors downstream from the TGF-β receptors. These transcription factors in Drosophila and the related vertebrate proteins are called:

TLS Online TPP Program

#Question id: 31313

#Unit 6. System Physiology – Plant

P680, pheophytin and plastoquinone are held together a group of proteins

TLS Online TPP Program

#Question id: 2139

#Unit 2. Cellular Organization

A process not involving the fusion of two membranes or two regions of the same membrane is:

TLS Online TPP Program

#Question id: 4274

#Unit 3. Fundamental Processes

One mechanism that contributes to the fidelity of codon recognition involves the 16S rRNA other than initiation. Which of the following statements are correct in this phenomenon?

A. Codon recognition involves two adjacent uracil residues in the 16S rRNA component

B. The adjacent residues in the 16S rRNA do not discriminate between G:C or A:U base pairs and recognize either as correct

C. Even a single mismatch in the codon–anticodon base pairing alters the position of EF-Tu, reducing its ability to interact with the factor-binding center 16s rRNA, leads to a dramatic reduction in EF-Tu GTPase activity

D. Pyrophasphatic editing is key mechanism to ensure fidelity

TLS Online TPP Program

#Question id: 27067

#Unit 1. Molecules and their Interaction Relevant to Biology

Choose the correct statement regarding the stereochemistry of amino acid
1. 16 amino acid except (Thr, Ile, Cys, Gly) L Fischer projection is equal to S and D is equal to R configuration 
2. Thr, Ile is special case because of two chiral center exist in L – Ile/Thr – 2S,3R and D-Ile/Thr–2R,3S configuration  
3. Cys exiest in L- Cys – R & D- Cys – S configuration 
4. Gly is optically inactive