Bio Physics Interview Questions and Answers

1 :: HOW IS BLOOD FORM?

CELLS TOGETER GHJKL

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2 :: What is the Church or Turing thesis?

Turing and Church had considered various computational
models, such as
Turing machines, random-access machines, and so on. All
these computational
models could be implemented through physical systems subject to
the laws of classical mechanics. While studying many such
computational
models, computer scientists came up with the following Holy
Grails:
1
1. Church-Turing thesis: This states that any computational
model
is as powerful as the Turing machine. In other words, given
any computational
model, we can simulate computations on that model using
the Turing machine. The simulation may of course involve a
blow-up
in time taken as well as in space used.
2. Strong Church-Turing thesis: This states that for any
computational
model, a polynomial-time algorithm for a decision problem in
that computational model can be simulated by a
polynomial-time algorithm
in the Turing machine model. In looser language, if we think
of polynomial time as the notion of tractability, then
tractability in
any computational model is equivalent to tractability in the
Turing
machine model.
3. Strong Church-Turing thesis (randomized version): This states
that for any computational model, a bounded-error
probabilistic polynomial
time algorithm for a decision problem in that computational
model can be simulated by a bounded-error probabilistic
polynomial
time algorithm for the problem in the Turing machine model.
In looser
language, if we think of BPP as the notion of tractability,
then BPP
is any computational model is equivalent to tractability in
the Turing
machine model.

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3 :: What are the properties of dynamic systems?

drug action in our body

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4 :: What are the advantages and disadvantages of transgenic animals for neuroscientific studies?

the advantages are
► in medical research, transgenic animals are used to
identify the functions of specific factors in complex
homeostatic systems through over- or under-expression of a
modified gene (the inserted transgene);
► in toxicology: as responsive test animals (detection of
toxicants);
► in mammalian developmental genetics;
► in molecular biology, the analysis of the regulation of
gene expression makes use of the evaluation of a specific
genetic change at the level of the whole animal;
► in the pharmaceutical industry, targeted production of
pharmaceutical proteins, drug production and product
efficacy testing;
► in biotechnology: as producers of specific proteins;

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5 :: What are neuromodulators?

Neuromodulators modulate regions or circuits of the brain.
They affect a group of neurons, causing a modulation of
that group.

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