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TLS Online TPP Program

#Question id: 2214

Which of the following is true about glucose transporters?

#Unit 2. Cellular Organization

  1. GLUT-2 and GLUT-4 are expressed on all cell types.

  2. All the members of the GLUT family have the same affinity for glucose.

  3. Cells that express GLUT-1 and GLUT-3 display more glucose uptake than cells expressing GLUT-2 at physiological blood concentrations (5 mM).

  4. GLUT proteins are specific for glucose molecules and will not transport other sugars.

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TLS Online TPP Program

#Question id: 27075

#Unit 1. Molecules and their Interaction Relevant to Biology

As atom "A" approaches, the electrons of atom "B" will be attracted by the positive end of atom "A". As a result, the electrons of atom "B" will migrate to the left side and make the left side slightly negative. This phenomenon can be explained by 
TLS Online TPP Program

#Question id: 19281

#Unit 9. Diversity of Life Forms

A botanist discovers a new species of plant in a tropical rain forest. After observing its anatomy and life cycle, the following characteristics are noted: flagellated sperm, xylem with tracheids, separate gametophyte and sporophyte generations with the sporophyte dominant, and no seeds. This plant is probably most closely related to 
TLS Online TPP Program

#Question id: 32337

#Unit 2. Cellular Organization

Which of the following actin binding protein nucleates assembly to form a branched network and remains associated with the minus end?
TLS Online TPP Program

#Question id: 1580

#Unit 4. Cell Communication and Cell Signaling

Advantages of Toxoid (inactivated exotoxin) can be
TLS Online TPP Program

#Question id: 2003

#Unit 4. Cell Communication and Cell Signaling

The number of MHC protein combinations possible in a given population is enormous. However, an individual in that population has only a couple of MHC possibilities. Why?