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TLS Online TPP Program

#Question id: 300

Hydrogen bonding occurs in molecules when ___________________.

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. a hydrogen atom forms a covalent bond with another atom.

  2. a hydrogen atom in a molecule forms a bond with any atom.

  3. a hydrogen atom forms an ionic bond with another atom on an adjacent molecule.

  4. a hydrogen atom bonded to F, O or N is attracted to an electron pair on a F, O or N atom on an adjacent molecule.

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TLS Online TPP Program

#Question id: 11415

#Unit 10. Ecological Principles

Below is a list of various bird groups, with their typical age at maturity (in years). Which of these would you expect to have the greatest annual survival?
TLS Online TPP Program

#Question id: 21394

#Unit 12. Applied Biology

Which one of the following catalyze biological reactions?
TLS Online TPP Program

#Question id: 9177

#Unit 9. Diversity of Life Forms

Which of the following statements regarding turnover in a lake is correct?
TLS Online TPP Program

#Question id: 10978

#Unit 7. System Physiology – Animal

Which of the following events occurs at the end of the period of ventricular ejection?
TLS Online TPP Program

#Question id: 845

#Unit 1. Molecules and their Interaction Relevant to Biology

The most common cystic fibrosis– causing mutation is the deletion of a Phe residue at position____ in CFTR, which causes improper protein folding