Pre-mRNA molecules

a. exist as free RNA molecules in eukaryotic cells.

b. are associated with an abundant set of nuclear proteins.

c. are mostly located in the cytoplasm.

d. are located in the nucleus.

TLS Online TPP Program

#Question id: 4363

#Unit 3. Fundamental Processes

researcher found a method she could use to manipulate and quantify phosphorylation and methylation in embryonic cells in culture. In one set of experiments, she succeeded in increasing acetylation of histone tails in the chromatin of the cells. Which of the following results would she most likely see in these cells?

TLS Online TPP Program

#Question id: 30045

#Unit 6. System Physiology – Plant

In Which of the following enzymes Light regulates the catalytic activity of four enzymes of the Calvin–Benson cycle directly via the ferredoxin– thioredoxin system?

TLS Online TPP Program

#Question id: 18668

#Unit 13. Methods in Biology

Enzymes and antibody can easily be detected in samples subjected to electrophoresis on cellulose acetate, by using the 

TLS Online TPP Program

#Question id: 15996

#Unit 12. Applied Biology

Hairy root cultures are induced by___

TLS Online TPP Program

#Question id: 24237

#Unit 4. Cell Communication and Cell Signaling

What are the two major components of the extracellular matrix?