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TLS Online TPP Program

#Question id: 2120

Which one of the following statements about membranes is true?

#Section 2: General Biology

  1. Most plasma membranes contain more than 70% proteins.

  2. Sterol lipids are common in bacterial plasma membranes.

  3. Sterol lipids are common in human cell plasma membranes.

  4. The plasma membranes of all cell types within a particular organism have basically the same lipid and protein composition.

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TLS Online TPP Program

#Question id: 69

#Section 2: General Biology

Which of the following is the diastereomer of the following compound?
TLS Online TPP Program

#Question id: 71

#Section 2: General Biology

Which of the following is not the priority rule for R, S Configuration?
TLS Online TPP Program

#Question id: 74

#Section 2: General Biology

The enthalpy and entropy of the initial and final states of a reacting system are shown in the table. Calculate the change in free energy for the reaction when the temperature is 4°C.
TLS Online TPP Program

#Question id: 77

#Section 2: General Biology

Which of the pairs of molecular structures shown depict enantiomers (enantiomeric forms) of the same molecule?
TLS Online TPP Program

#Question id: 78

#Section 2: General Biology

Which is true about naturally occurring monosaccharides?
TLS Online TPP Program

#Question id: 79

#Section 2: General Biology

The structure of D-arabinose is shown below. How many stereoisomers are possible for this molecule?