Biology Unit 1

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1. What is active transport?

  • 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.
  • The passive movement of freely moving water molecules passing through a partially permeable membrane.
  • The movement of larger molecules through the protein channel.
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Other questions in this quiz

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

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

3. What type of protein is an enzyme?

  • Globular
  • Disaccharide
  • Fibrous
  • Amino acid

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

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

5. Which of the following is not a risk of CVD?

  • Diet
  • Age
  • Gentics
  • Smoking
  • Low blood pressure
  • High blood pressure
  • High blood cholesterol

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