Rhodopsin, a light-sensitive GPCR whose role in vision is dependent on its phosphorylation status, is influenced in part by the protein arrestin.  Which of the following is TRUE with regard to rhodopsin and vision?

TLS Online TPP Program

#Question id: 45

#Unit 1. Molecules and their Interaction Relevant to Biology

What is the standard free-energy change, ΔG°, under physiological conditions (E. coli grows in the human gut, at 37 °C) for the following reaction? (Keq = 7.8 × 10^2)

Glucose + ATP → glucose 6-phosphate + ADP

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#Question id: 128

#Unit 1. Molecules and their Interaction Relevant to Biology

Amino acids with non-ionizable side chains are zwitterions when they are ________.

TLS Online TPP Program

#Question id: 32926

#Unit 2. Cellular Organization

Which one of the following statement is NOT correct regarding the cell-cycle control switch system?

TLS Online TPP Program

#Question id: 33415

#Unit 1. Molecules and their Interaction Relevant to Biology

Interaction of DnaK with DnaJ 

TLS Online TPP Program

#Question id: 28698

#Unit 2. Cellular Organization

the oligosaccharide precursor is assembled on a membrane- attached anchor called dolichol phosphate, which is___