AQA Biology A2 Unit 5 Quiz

A quiz testing most (maybe more to come) areas of the unit 5 specification.

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  • Created by: Josh
  • Created on: 03-05-13 18:07

1. The chemo- and pressure receptors responsible for keeping the heart rate in check are found where?

  • In the aortic arch
  • In the carotid arteries
  • In the brain stem
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Other questions in this quiz

2. Acetylcholine causes the opening of which channel in the post-synaptic membrane?

  • Calcium ion channel
  • Sodium ion channel
  • Potassium ion channel

3. Following depolaristion, what ions are released from the sarcoplasmic reticulum?

  • Sodium ions
  • Calcium ions
  • Potassium ions

4. The chemical responsible for positive phototropism in plant shoots is ___?

  • Oxaloacetate
  • Indoleacetic Acid
  • Cytochrome b

5. [1] may bind to [2] and 'guide' it to [3] to which [1] has [4], the [2] then cuts the [3], preventing translation.

  • 1: mRNA, 2: a hydrolytic enzyme, 3: siRNA, 4: a complementary base sequence
  • 1: siRNA, 2: a hydrolytic enzyme, 3: mRNA, 4: a complementary base sequence
  • 1: a hydrolytic enzyme, 2: siRNA, 3: mRNA, 4: a complementary base sequence

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