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I am puzzled about whether the TF only binds to DNA in the initiation stage of transcription and will detach during transcription. (I am thinking if the TF bind to the sense strand, it will block th
I was under the impression that if a cell doesn't have active transport, it either would lose molecules through the membrane and not be able to maintain a proper gradient, or molecules would be trap
This patient's presynaptic neuron (nerve) action potentials and conduction velocities are normal. New information: With repeated stimulation of the efferent nerve to the arm and hand, the neuron ac
What decides whether an activated B cell will get converted to plasma cell
As far as we know Ape Men or the Neanderthal Man was the first to bury its dead.
I always wonder about the capability of diversity of our antibodies.
I would like to learn about how the process of cloning works in nature - how are twins "created" after fertilization what genetic changes can occur in each of the twins.
I was watching a lecture by Richard Dawkins earlier today and he mentioned that "Your 185th million grandfather was a fish." I started wondering about the following question,
I believe The reason for autophagy is some kind of recycling, am I right? But why does it occur in infections
The calcium gradient should also be free, -2-6 mmol/l, in the lumen to allow diffusional calcium absorption from the interstitial space. Similarly, free calcium concentration in the extracellular f
We often see videos of octopuses and chameleons changing their color to suit their surroundings. If it was a simple color change from white to red, it'd be understandable, but some of these animals
The thing is, we are absolutely infested by them. They seem to be more active at dawn and dusk (like mosquitoes) but we have dozens flying around the house every evening. I would like to know the sp
The most distinctive characteristic of a human is it's face - it is unique among each individual (with the exception of identical twins). It is uncertain to me if whether we best identify other huma
In wild petunias, the allele for red flower color (R) is dominant over the allele for white flower color (r). We sample a population and find 240 plants have white flowers and 85 have red flowers. I
I've done some research and it appears that dogs are the most diverse looking single species of mammals.
A group of Ethiopians were assayed for CCR5-del32 deletion polymorphism. 247 were +/+, 69 were +/del32, and 11 were del32/del32. Are the observed data significantly different from HWE? If not, what
I have been checking my sample for Hydroxyl radical scavenging activity. I have dissolved Hydrogen peroxide in Phosphate buffer. My sample is clear and reagent is also clear but when I have mixed my
My understanding of evolution is that genetic mutation occurs in individual members of a species, and they become a new species.
Why is epinephrine not considered a part of the somatic nervous system hormones, if it is controlling the skeletal muscle?
What would be effect on weight of individuals if we bring a fully adapted (to cold climate ) human individual and a fully adapted to very hot climate individual to a moderate climate region
I would like to grow mushrooms on oak trees I can harvest from my property. I've read that the best results will be when the sap is rising but the tree hasn't budded yet. The mycelium feeds on the s
In response to my previous question, I've been reading up a little bit on poly-D-lysine, Collagen I, Collagen IV, laminin, and other tissue culture coatings that promote cell adhesion. I've always a
Can someone explain exactly what "rapamycin-sensitive oncogenic transformation" is?
I've noticed that if I wear them for longer than 10 or 15 minutes they start accumulating sweat. However, my hands aren't clammy or damp when I'm not wearing gloves.
Scientists have found mammoth blood, and are planning to clone a mammoth.