Practice Questions

TLS Online TPP Program

#Question id: 2110

According to the fluid mosaic model of cell membranes, phospholipids:

#Zoology

can move laterally along the plane of the membrane
frequently flip-flop from one side of the membrane to the other
occur in an uninterrupted bilayer, with membrane proteins restricted to the surface of the membrane
have hydrophilic tails in the interior of the membrane

More Questions

TLS Online TPP Program

#Question id: 4320

#Molecular Biology

Forms of the Ras protein found in tumors usually cause which of the following events to occur?

TLS Online TPP Program

#Question id: 4321

#Molecular Biology

A genetic test to detect predisposition to cancer would likely examine the APC gene for involvement in which type(s) of cancer?

TLS Online TPP Program

#Question id: 4322

#Molecular Biology

If a particular operon encodes enzymes for making an essential amino acid and is regulated like the trp operon, then

TLS Online TPP Program

#Question id: 4323

#Molecular Biology

Muscle cells differ from nerve cells mainly because they

TLS Online TPP Program

#Question id: 4324

#Molecular Biology

The functioning of enhancers is an example of

TLS Online TPP Program

#Question id: 4325

#Molecular Biology

Cell differentiation always involves