Other questions in this quiz

2. What is active transport?

  • The passive movement of freely moving water molecules passing through a partially permeable membrane.
  • The movement of larger molecules through the protein channel.
  • Active transport uses energy (ATP) to move molecules and ions through a carrier protein, against a concentration gradient.
  • The passive net movement of particles down a concentration gradient.

3. What takes blood from the lungs back to the heart?

  • Aorta
  • Pulmonary vein
  • Superior vena cava
  • Inferior vena cava

4. What type of protein is an enzyme?

  • Amino acid
  • Globular
  • Fibrous
  • Disaccharide

5. Which one of these bonds are not used in protein structures?

  • Hydrophobic and hydrophilic
  • Di-sulfide
  • Repulsion
  • Ionic
  • Weak hydrogen

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