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Summary Molecules to Microbe
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  • Course
  • Unit 1 BIOL1 - Biology and disease (BIOLOGY)
  • Institution
  • AQA

These lecture notes are very helpful they can be useful to make your own notes they include diagrams which helps understand the content! These notes can be useful they can be used for diagrams!!!

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  • May 26, 2021
  • 3
  • 2020/2021
  • Summary

Subjects

  • biology
  • health
  • microbes

Written for

  • A/AS Level
  • AQA
  • Biology
  • Unit 1 BIOL1 - Biology and disease (BIOLOGY)
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Week 21

What is the role of calcium dipicolinate in the spore core?

a. Converts DNA from the B to the A form.
b. Is required as carbon source on germination.
c. Reduces water content of the core.
d. Is required for the release of endospores.

The four main layers of the spore structure are:

a. Exosporium, Spore coat, Connective layer and Core.
b. Outer membrane, Spore coat, Cortex and Core.
c. Exosporium, Spore coat, Cortex and Core.
d. Exosporium, Spore coat, Cortex and Inner membrane.

The main protein component of gas vesicles is:

a. GvpB.
b. GvpC.
c. GvpA.
d. GepA

Early in sporulation chromosomes become attached to the poles of the cell. This is know as:

a. hromosome segration.
b. Chromosome replication.
c. Chromosome transport.
d. Axial filament formation.#


At which stage of sporulation is exosporium synthesised?

a. Stage V.
b. stage IV.
c. Exosprorium is only synthesised when sporulation is complete.
d. Stage V

The water content of spores is usually in the range of:

a. 25-40%.
b. 10-25%.
c. About 50%.
d. Greater than 70%

Poly-β-hydroxybutyrate (PHB) is an example of what type of inclusion?

a. Lipid
b. Amino acid.
c. Carbohydrate.
d. Granular polysaccharide

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