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TLS Online TPP Program

#Question id: 115

Which of the following is true of sphingolipids?

#1. Molecules and their Interaction Relevant to Biology

  1. Cerebrosides and gangliosides are sphingolipids.

  2. Phosphatidylcholine is a typical sphingolipid.

  3. They always contain glycerol and fatty acids.

  4. They contain two esterified fatty acids.

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TLS Online TPP Program

#Question id: 4974

#11. Evolution and Behavior

Which of these is the most likely explanation for the modern-day distribution of dicynodont fossils?
TLS Online TPP Program

#Question id: 423

#1. Molecules and their Interaction Relevant to Biology

The glycolytic pathway oxidizes glucose to two molecules of pyruvate and also produces a net of two molecules of ATP. ATP allosterically inhibits the enzyme, PFK-1, that catalyzes the third step of glycolysis. This is an example of ________.
TLS Online TPP Program

#Question id: 3040

#2. Cellular Organization

Which of the following is electron source for lithotrophs microorganisms?
TLS Online TPP Program

#Question id: 1415

#4. Cell Communication and Cell Signaling

Which of the following apoptotic proteins is homologous to human Bcl-2?
TLS Online TPP Program

#Question id: 48

#1. Molecules and their Interaction Relevant to Biology

Which of the following statements regarding enantiomers true?