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TLS Online TPP Program

#Question id: 2066

Which of the following statements describes a characteristic feature of a carrier protein in a plasma membrane?

#Section 2: General Biology

  1. It exhibits specificity for a particular type of molecule.

  2. It requires the expenditure of cellular energy to function.

  3. It works against diffusion.

  4. It has no hydrophobic regions.

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TLS Online TPP Program

#Question id: 320

#Section 2: General Biology

The aggregation of nonpolar molecules or groups in water is thermodynamically due to the
TLS Online TPP Program

#Question id: 321

#Section 2: General Biology

Water clustered about nonpolar molecules contribute to hydrophobic interactions because
TLS Online TPP Program

#Question id: 322

#Section 2: General Biology

A covalent bond is likely to be polar when ________.
TLS Online TPP Program

#Question id: 323

#Section 2: General Biology

When the atoms involved in a covalent bond have the same electronegativity, what type of bond results?
TLS Online TPP Program

#Question id: 324

#Section 2: General Biology

Why are hydrocarbons insoluble in water? 
TLS Online TPP Program

#Question id: 325

#Section 2: General Biology

A true statement about hydrophobic interactions is that they: