In a patient with very high levels of aldosterone and otherwise normal kidney function, approximately what percentage of the filtered load of sodium would be reabsorbed by the distal convoluted tubule and collecting duct?

TLS Online TPP Program

#Question id: 1213

#Unit 4. Cell Communication and Cell Signaling

What second messenger has been implicated in blood pressure regulation?

TLS Online TPP Program

#Question id: 4510

#Unit 3. Fundamental Processes

Which statements are true about group I and group II introns,

A. Group I (and II) introns are not enzymes because they have a turnover number of only 1.

B. A third transesterification reaction can occur to cyclize the intron.

C. They cannot be readily converted into ribozymes.

D. It is similar to the way that the self-cleaving Hammerhead could be converted to a ribozyme by separating the active site from the substrate

TLS Online TPP Program

#Question id: 29106

#Unit 8. Inheritance Biology

For the proper segregation of the chromosome at anaphase-I chiasma formation take place. At which stage of the cell cycle crossing over takes place?

TLS Online TPP Program

#Question id: 32433

#Unit 2. Cellular Organization

Rho kinase dependent phosphorylation leads to activation of:

a. MLC Phosphatase

b. MLC kinase

c. MLC

d. Rho-GTP

TLS Online TPP Program

#Question id: 29491

#Unit 6. System Physiology – Plant

Which of the following is correctly matched with their  Response, phenomenon of photoreversibility and reciprocity