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Results tagged with cell-biology
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user 71680
The study of cells and their physiological properties, structure, environmental interaction, division, life cycle, and death, as well as the organelles they contain. Also known as cytology.
-1
votes
Analysing a microscope image
These could be:
Small particles of methylene blue crystallizing on the cell's surface
Dirt from the mouth
Dirt from the swab
Bacteria
My best guess is bacteria, since that explains why they are focu …
- 1,769
3
votes
Is there a non-directed way to probe proteins in a given sample?
If you have no idea: Proteomics using Mass spectrometry
Mass spectrometry is a powerful
method that (in theory) identifies every proteins in a given solution. However, I don‘t know how robust this met …
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3
votes
How does a (stem) cell keep track of its own 'specialization'?
Transcription factors usually initiate the cellular changes, but it's mostly the chromatin state of the nucleus that maintains the state of a cell and stops it from changing back and forth.
Embryonic …
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2
votes
Accepted
Understanding the general dynamics of protein diffusion in cell plasma membrane
You might want to go to the library and have a look at Alberts „Molecular Biology of the Cell“, an older edition of which is also available on the NCBI Bookshelf. Publication-grade knowledge might be …
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3
votes
Do cancer cells use as much NADH as normal cells?
Short answer:
Yes, NADPH is definitely enriched in cancer cells, since cancer tends to rely more on glycolysis. That way, much less NADH is consumed into the electron chain. It was even proposed to tr …
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2
votes
Where does (retro)virus replication take place?
First Question:
Integration is essential for retroviruses, otherwise cDNA isn‘t transcribed efficiently into RNA (viral genome). Eucaryotic transcription requires multiple factors that are only presen …
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1
vote
How is RNA content distributed in daughter cells during cell division?
RNA is either swimming in the cytosol or be associated with the ER (endoplasmatic reticule) during co-translational protein import into the ER (see secretory pathway).
So in order to answer your quest …
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4
votes
Function of SMAR in plasmids?
S/MAR (nuclear scaffold/matrix attachment region) Is a DNA sequence pattern that recruits the nuclear protein hnRNP-U/SAF-A a multifunctional scaffold/matrix specific factor.
Jenke et al. 2002
Immuno …
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