Biophysics Exam 25.02.2021

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Melissa_SF
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Registriert: 10.03.2021, 18:17

Biophysics Exam 25.02.2021

Beitrag von Melissa_SF »

Sheet 1:
1. What is the numerical aperature of an objective?
2. Functional steps of gene expression (from gene to protein)
3. What is an enzyme? Give an example + describe

Sheet 2:
1. Principle of magnetic lens
2. Electron focusing of proteins, mobility of proteins at pH-values
3. What is a) permittivity b) dispersion range c) dispersion frequency?
On what are b) and c) depending?

Sheet 3:
1. Action potential: draw + describe
2. Signal transmission at excitatory chemical synapse
3. 3 different types of ion channels existing in neuron + example

Sheet 4:
1. Explain the electrical field properties in cell membrane under the influence of an external electrical and the dependency of the effect from the frequency
2. Complex permittivity: definition + draw of frequency response curve
3. Effect of non-ionizing radiation

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