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. A deletion or insertion, unless of a multiple of X, will cause Y. What are X and Y?

  • X is 3, Y is cancer
  • X is 3, Y is frame shift
  • X is 2, Y is cancer
1 of 20

Other questions in this quiz

2. Consider the following reaction pathway: A -> D -> 4C -> 2B -> X. Which of the following would cause the system to display negative feedback?

  • X decomposes into a sixth species, E
  • X inhibits one or more of the enzymes involved in the pathway
  • X promotes one or more of the enzymes involved in the pathway

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

  • Calcium ions
  • Potassium ions
  • Sodium ions

4. The main hormones responsible for the regulation of blood glucose concentration are:

  • Insulin, adrenaline and oestrogen
  • Insulin, glucagon and adrenaline
  • Insulin and glucagon

5. During transcription, [1] 'unzips' the DNA strand and [2] moves in to create complementary [3]. The DNA strand has only ~[4] bases separated during this process.

  • 1: DNA helicase, 2: RNA polymerase, 3: pre-mRNA, 4: 10
  • 1: RNA polymerase, 2: DNA helicase, 3: mRNA, 4: 20
  • 1: DNA helicase, 2: RNA polymerase, 3: pre-mRNA, 4: 150

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