Newest Questions
29,395 questions
1
vote
0
answers
26
views
Why is there a rapid decrease in Calcium current in phase 1 of ventricular action potential?
So after reading about mechanism of gating Wikipedia I understand the physiology of gating.
I was reading Cardiac Electrophysiology by Zipes and Jalife as a reference, I found these images:
Question:
...
- 11
1
vote
0
answers
59
views
The triple helix of DNA
I read that there is a triple helix of DNA, where two DNA helices are linked in the usual, standard way, and the third is linked by a Hugstein bond. I was wondering what function it performs in the ...
- 19
0
votes
0
answers
36
views
How are T cell receptors created specifically for an antigen before they have actually encountered that anitgen?
So I know the T cell receptor is created before the T cell has ever even encountered its antigen. How does it know what to make its receptor out of to bind to the antigen if it hasn't met the antigen ...
- 1
-7
votes
0
answers
40
views
Safe dose of bottled drinking water?
As one commonly knows, excessive consumption of water causes water intoxication and more serious side effect as hyponatremia. Though, I didn't find any authoritative source about how water toxemia ...
- 43
0
votes
0
answers
46
views
How do the ionic currents of phase 1 and 2 of ventricular action potential work?
I was reading about the cardiac electrophysiology from the "Medical Physiology" textbook. These parts confused me:
Phase 1 is the rapid repolarization component of the action potential (...
- 11
0
votes
1
answer
30
views
Can "lncRNARP11-773H22.4, miR-1, and miRNA-3163" collectively be referred to or labeled as epigenetic regulators?
I'm writing a paper and want to simply refer to "lncRNARP11-773H22.4, miR-1, and miRNA-3163" collectively, but I am unsure of what phrase to use best. Epigenetic regulators, regulatory RNAs, ...
0
votes
0
answers
31
views
Can anyone identify this bone which was found on a beach in Northumberland, UK?
It was found on a beach at low tide near rock pools
1
vote
1
answer
126
views
Small plant identification
A small plant volunteered in my garden in North West Georgia (US) this year. I can’t identify it. It is about 2 ft high, yellow flowers, six opposite rounded laves on a stem. Yellow flowers produce ...
- 19
1
vote
0
answers
47
views
Is this a decorative apple tree?
In Hamburg, in front of the Physics faculty (over Planten und Blomen) stands a little tree (about 5 m). The question if one can cook applesauce from the fruits, IF these are decoration apples, is ...
- 119
0
votes
0
answers
33
views
Are there “autonomic afferents,” or is the ANS strictly efferent by definition?
In neuroanatomy I was taught that the autonomic nervous system (sympathetic, parasympathetic, enteric) is efferent only, while visceral sensory fibers are classified as GVA/SVA and merely travel with ...
0
votes
0
answers
38
views
How can HPPD inhibitors like nitisinone be used for mosquito control?
I’ve read that some compounds used in agriculture or medicine can also affect insects.
How would an HPPD inhibitor, a drug used for rare human genetic disorders, be relevant to controlling mosquito ...
0
votes
0
answers
28
views
How to get sample details of the MS data files deposited on PRIDE?
I am new to proteomics, and am trying to learn proteomic data analysis. I have a naive question regarding getting the details of each sample associated with the MS data files available through PRIDE. ...
0
votes
2
answers
123
views
Looks just like a bee, but it isn't. What is it?
It looks like a bee, about 5/8" long, hairy(fuzzy) almost black with thin, pale white or yellow bands. I could not see its head clearly.
This is how much it resembles a bee:
While I was watching ...
- 725
-2
votes
0
answers
37
views
Has anyone investigated whether adhesive capsulitis is caused by lactate accumulation & pH imbalance induced by repetitive low-intensity muscle strain
I developed an hypothesis in the standard IMRaD format of what I believe might be a cause of adhesive capsulitis (frozen shoulder) in idiopathic cases where disease (e.g. diabetes, etc.) and injuries ...
- 1
1
vote
0
answers
34
views
Issue with Seahorse Assay – Isolated Mitochondria Not Responding to Injections
I am currently performing a Seahorse XF assay using isolated mitochondria from adult Drosophila. While the basal OCR values appear reasonable, I am encountering a problem with the mitochondrial ...
- 41