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TLS Online TPP Program

#Question id: 1268

The collagen triple-helix domain

a. is rich in glycine.                             b. is rich in proline.

c. is rich in hydroxyproline.                d. is an alpha helix.

#Unit 4. Cell Communication and Cell Signaling

  1. a, c, and d

  2. a, b, and c     

  3. c and d      

  4. Only d

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TLS Online TPP Program

#Question id: 297

#Unit 1. Molecules and their Interaction Relevant to Biology

The boiling point of water is exceptionally high because
TLS Online TPP Program

#Question id: 298

#Unit 1. Molecules and their Interaction Relevant to Biology

Water molecules contain _____________ hydrogen bond/s.
TLS Online TPP Program

#Question id: 299

#Unit 1. Molecules and their Interaction Relevant to Biology

Which bond acts like a bridge two molecules formed by a covalent bond?
TLS Online TPP Program

#Question id: 300

#Unit 1. Molecules and their Interaction Relevant to Biology

Hydrogen bonding occurs in molecules when ___________________.
TLS Online TPP Program

#Question id: 301

#Unit 1. Molecules and their Interaction Relevant to Biology

What explains the very high melting and boiling point of water?
TLS Online TPP Program

#Question id: 302

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following statements regarding covalent bond is not true?