Practice Questions

TLS Online TPP Program

#Question id: 4337

Which of the following conditions is most likely to cause the lactose operon to be transcribed?

#Unit 3. Fundamental Processes

There is more glucose in the cell than lactose.
There is glucose but no lactose in the cell.
The cyclic AMP and lactose levels are both high within the cell.
The cAMP level is high and the lactose level is low.

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TLS Online TPP Program

#Question id: 19053

#Unit 13. Methods in Biology

The principle on which thin layer chromatography is based is that the ____________

TLS Online TPP Program

#Question id: 1667

#Unit 4. Cell Communication and Cell Signaling

A B-cell is able to make cell-surface and secreted versions of antibody using:

TLS Online TPP Program

#Question id: 28772

#Unit 2. Cellular Organization

M6P residues are generated in the cis-Golgi by which of the following Golgi-resident enzymes?

a) N-acetylglucosamine (GlcNAc) phosphotransferase

b) ornithine transcarbamylase

c) Phosphodiesterase

TLS Online TPP Program

#Question id: 13024

#Unit 13. Methods in Biology

Inset and the vector can be ligated if they are digested by a pair of –

TLS Online TPP Program

#Question id: 1280

#Unit 4. Cell Communication and Cell Signaling

Cellular responses to adhesion receptor signaling do not include: