Neurotransmitters can affect postsynaptic cells by ________.

I) initiating signal transduction pathways in the cells

II) causing molecular changes in the cells

III) altering ion channel proteinsIII) altering ion channel proteins

IV) altering the permeability of the cells

TLS Online TPP Program

#Question id: 18930

#Unit 13. Methods in Biology

The genomic DNA to be cloned is prepared by partial digestion with restriction endonucleases to obtain a suitable fragment size. Genomic fragments are then separated by using

TLS Online TPP Program

#Question id: 18936

#Unit 13. Methods in Biology

Cloning vectors with the transcription and translation signals needed for the regulated expression of a cloned gene are called 

TLS Online TPP Program

#Question id: 18937

#Unit 13. Methods in Biology

Cloning techniques can be used not only to overproduce proteins but to produce protein products altered, subtly or dramatically, from their native forms. Specific amino acids may be replaced individually by 

TLS Online TPP Program

#Question id: 18938

#Unit 13. Methods in Biology

If the sequence of at least the end portions of a DNA segment of interest is known, the number of copies of that DNA segment can be hugely amplified with the 

TLS Online TPP Program

#Question id: 18939

#Unit 13. Methods in Biology

If a DNA sequence is present in higher than usual amounts in a sample can be analysed using pcr

TLS Online TPP Program

#Question id: 18940

#Unit 13. Methods in Biology

which of the following permits the amplification of chosen segments of DNA or RNA for detailed study or cloning.