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TLS Online TPP Program

#Question id: 2242

What two features of the structure of cholesterol make it somewhat amphipathic?

#Unit 2. Cellular Organization

  1. The single hydroxyl along with the hydrocarbon nature of the remainder of the molecule

  2. The long, branched hydrocarbon along with the four hydrocarbon rings

  3. The five methyl groups along with the hydrocarbon chain

  4. The three six-membered rings along with the single five-membered ring

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TLS Online TPP Program

#Question id: 24284

#Unit 4. Cell Communication and Cell Signaling

All are the types of anchoring junctions that are present in animal cells, EXCEPT
TLS Online TPP Program

#Question id: 10996

#Unit 7. System Physiology – Animal

A ventricular depolarization wave when traveling 60° in the frontal plane will cause a large positive deflection in which of the following leads?
TLS Online TPP Program

#Question id: 1240

#Unit 4. Cell Communication and Cell Signaling

Pull-down assays using proteins that ONLY bind to the GTP-bound version of the small G-protein can be used to detect when small G proteins like Rac1 have been activated by various growth factors.  You were given two lysates, one having been treated with platelet-derived growth factor (PDGF) and the other not treated with PDGF. This method is similar to performing co-IPs, so based on that knowledge, which of the following steps is erroneous?
TLS Online TPP Program

#Question id: 3051

#Unit 2. Cellular Organization

You have 10^10 cell/L of bacterial stock solution. To prepare 1 liter of growth medium containing 1000 bacteria, the volume in microlitre of this stock solution that should be added is
TLS Online TPP Program

#Question id: 2758

#Unit 2. Cellular Organization

Which is the best definition of noncoding RNA?