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TLS Online TPP Program

#Question id: 32330

The parietal cells of the stomach lining contain membrane “pumps” that transport hydrogen ions from the cytosol (pH 7.0) into the stomach, contributing to the acidity of gastric juice (pH 1.0). Calculate the free energy required to transport 1 mol of hydrogen ions through these pumps.  Assume a temperature of 37 °C.

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. 36 kJ/mol
  2. 360 kJ/mol
  3. -36 kJ/mol
  4. 136 kJ/mol
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TLS Online TPP Program

#Question id: 11175

#Unit 10. Ecological Principles

Leks
TLS Online TPP Program

#Question id: 11176

#Unit 10. Ecological Principles

Species that reproduce once and then die are ______ species.
TLS Online TPP Program

#Question id: 11177

#Unit 10. Ecological Principles

Intraspecific competition can result in individuals migrating from
TLS Online TPP Program

#Question id: 11178

#Unit 10. Ecological Principles

At low population densities
TLS Online TPP Program

#Question id: 11179

#Unit 10. Ecological Principles

The defended portion of a home range is called the
TLS Online TPP Program

#Question id: 11180

#Unit 10. Ecological Principles

In contrast to herbivores,