New answers tagged molecular-biology
0
votes
What is the difference between a response element and a enhancer?
A response element is a DNA sequence that binds with a set of one or more transcription factors/cofactors/factors in order to regulate transcription. A response element is usually specific to a given ...
- 109
0
votes
Why doesn't treating neurons with a high sodium solution depolarize their membranes?
I would start with the Goldman equation, plug in some reasonable values and experiment with the results. Your reasoning I think comes from a common misconception that involves counting positive ...
- 44.1k
1
vote
Can a person have different sex at cellular level?
Every organism(sexually reproducing) starts life from a single cell zygote formed by union of sperm and ovum.
Since all cells are formed by mitotic divisions and differentiation of the zygote, the ...
- 97
2
votes
Storing bacteria in a dry, room temperature long-term storage whilst maintaining viability
Lyophilization, aka freeze-drying, is probably the go-to method of microbial preservation without the need for cold storage. It's how bacterial strains purchased from commercial culture collections ...
- 4,671
1
vote
Storing bacteria in a dry, room temperature long-term storage whilst maintaining viability
The answer to this strongly depends on the species of bacterium you are working with.
The only ones that I know of that are capable of withstanding any dehydration process are those that form spores. ...
- 11.2k
1
vote
How come SSBPs in RPA don't bind primers?
From a 1994 review of E.coli single-stranded binding protein (SSBP) in Annual Reviews of Biochemistry, it would appear that at least 35 nucleotides (nt) of single-stranded DNA are required for binding ...
- 24.3k
Top 50 recent answers are included