3
votes
0answers
29 views

What would the blood work look like for someone on a very high protein diet? [closed]

What will blood test results look like for someone on a very high protein diet consuming 1-2g of protein per pound of bodyweight per day? Is it healthy to maintain such a diet?
3
votes
2answers
5k views

Is episome a plasmid or a virus?

A plasmid is a small DNA molecule that is physically separate from, and can replicate independently of, chromosomal DNA within a cell. In general, in eukaryotes, episomes are closed circular DNA ...
2
votes
0answers
59 views

Is the blastocyst a coeloblastula?

A coeloblastula is that type of blastula which has a fluid filled cavity. Since the blastocyst of the mammals does too, can it be called a coeloblastula? My book however mentions the two as different, ...
3
votes
1answer
32 views

Is RNA polymerase affected by proteins bound to the coding sequence of a gene?

I am designing a synthetic gene construct to express genes in E. coli driven by either Ptet or PLacO. The construct would look like: -Ptet-(Gene1)-PLacO-(Gene2)- I want to express each gene using ...
7
votes
1answer
87 views

How can one accurately diagnose the cause of human hearing loss without surgery?

In a human, if you were to avoid a tympanotomy (surgical examination of the middle ear), how could you distinguish between a blocked Eustachian tube, a ruptured eardrum, or a perilymph fistula? For ...
2
votes
1answer
27 views

What is the protein sequence taken as input in the Path-A prediction system

Considering the Path-A based metabolic pathway prediction (http://nar.oxfordjournals.org/content/34/suppl_2/W714.short). It uses machine learning for pathway prediction. Suppose that the input was a ...
21
votes
3answers
425 views

How is the blood volume of a living organism measured without killing it?

How is the blood-volume of an organism measured without killing it? Note:The blood-volume of an organism is defined as the total volume of blood present inside that organism.
9
votes
2answers
8k views

Why does it hurt when you take sweets, if you have cavities in your teeth?

When you have cavities in your teeth taking any sweetend drinks or food causes sensitivity or pain. What could be the reason?
7
votes
2answers
85 views

Is there a name for the evolutionary loss of vestigial structures?

Consider a biological structure which no longer benefits an organism, such as the eyes of an organism whose population now lives in total darkness. I can think of three reasons why such a structure ...
2
votes
2answers
60 views

Why “broad” instead of “large” cross-immunoreactivity? [closed]

From the articles I read, expressions like "broad cross-immunoreactivity" pops up a lot. So, I was wondering, why "broad" is used here instead of large? Is there a specific reason?
2
votes
1answer
51 views

Help reading gene markers

I'm sorry if "gene markers" is not the correct word. An edit could be appreciated but I don't study in an English speaking country unfortunately. Question overview: In a family, there is a genetic, ...
2
votes
0answers
55 views

What effects would be caused by exposure to common life forms with opposite enantiomer biology? [closed]

Pretend a human had their body "reflected": heart on the wrong side, etc.; but also at the biochemical level: proteins, sugars, cells, DNA, everything. What would the effects be of that human's ...
7
votes
1answer
906 views

Term for trait that is advantageous to a population only as long as it is rare

I remember reading about a concept—in evolutionary biology or natural selection, I think—whereby a particular trait is advantageous to the population or species but only so long as that trait is only ...
5
votes
2answers
52 views

Immediate stroke/seizure Therapy

Can an oncoming stroke/seizure, be stopped by a setup consisting of a brain-computer-interface (BCI) that immediately detects the variation in wave-form, and then another machine that neutralizes the ...
8
votes
1answer
85 views

What processes are responsible for focusing on an image only seen by one of the eyes?

When a person is spying from around a corner with only one eye, it's rather easy to ignore the other eye's image, since it's probably much darker, because one usually spies around a corner standing ...
6
votes
1answer
101 views

How does the frequency of a visual stimulus affect the steady-state visually evoked potential?

I want to design a project for EEG signal processing. In my research I found the concept of SSVEP. SSVEPs represent the electrical activity of the brain as measured via EEG, and are evoked by visual ...
6
votes
1answer
264 views

How many RNA-binding proteins can simultaneously bind on a single mRNA?

Typically, how many RNA-binding proteins can simultaneously bind to a single mRNA? Or said differently, how many "binding sites" does an mRNA have? What order of magnitude? I am interested in RNA ...
0
votes
2answers
44 views

Do sodium channels keep renewing themselves with new subunits made by genes?

genes make alpha beta gamma subunits (proteins) to be used in making sodium channels... If I understand correctly? And so, since the genes keep making those subunits, does that mean new sodium ...
3
votes
2answers
129 views

Why are bacteria immune to snake poisons?

In a test I was asked why bacteria are insensitive to snake toxins. Is it their membrane that provides a barrier to the toxins? Or do snake poisons have specific targets and thus cannot bind to ...
6
votes
1answer
51 views

How is it determined in a zygote state of foetus, that which side is mouth and which side is for anus?

After the fertilization when the zygote is in the growing state to a foetus, the main canal is introduced first, from mouth to anus. But my question is when the canal is created first how does it ...
7
votes
1answer
66 views

What does the term “relay competent” mean?

I was reading the article of Dallon & Othmer (2010) which deals with cell aggregation in Dictyostelium discoideum. In the introduction of the paper it is said that cells becomes "relay competent". ...
4
votes
1answer
89 views

The dominance variance on a single locus

I was reading the book "Genetics and Analysis of Quantitative Traits", by Lynch and Walsh. I how the covariance between two individuals with IBD $\Theta$ gets divided into just the additive variance ...
8
votes
3answers
214 views

How does one maintain balance sleepwalking?

Anectodal. Feel free to shoot it down. Walking is an acquired skill; As far as I'm concerned exhaustion causes disorientation. Even after waking up it sometimes takes a second or so to get balanced. ...
5
votes
1answer
234 views

Effect of closed eyes on balance?

Suppose you want to stand on one leg. Doing it eyes open is not that difficult, but doing it eyes closed seems to be difficult. Why?
2
votes
1answer
785 views

Why Sister Chromatids and Daughter cells and not brother chromatids and son cells

In biology why do we have terminologies in terms of female relatinships such as daughter cells and sister chromatids and not in terms of male relationships. When did this custom started and is there a ...
2
votes
1answer
33 views

What is self-immunoreactivity?

I read something like "some tested variants show self-immunoreactivity". So, what exacly is self-immunoreactivity? Is it something like antibodies induced by a specific variant showing ...
1
vote
1answer
45 views

Can the Hebbian theory apply to Inhibitory Neurons

If I understand the basic Hebbian theory, when a neuron fires a pulse to another neuron and this pulse causes the target neuron to fire then the delta energy sent from the initial neuron to the target ...
7
votes
1answer
4k views

Are all dinosaur bones radioactive?

I watching some TV program some time ago and a guy in it mentioned that when-ever museums display real dinosaur bones (as opposed to a replica) the bones are painted over with a lead paint, because ...
3
votes
1answer
107 views

What is the impact of stress on the human body?

Can stress trigger any changes in the human body? I'd like to know more about things less commonly known than, for example: sweating and tiredness. What are the long term risks of chronic stress? Do ...
7
votes
1answer
4k views

Why does the sweat of children not smell like adults?

My kids sweat plenty in this hot heat, but they don't smell afterward. I on the other hand need all kinds of deodorant. Why doesn't kid sweat smell?
1
vote
0answers
123 views

Recommend any Molecular lab LIMS (Laboratory Information Management System)

We are looking to develop or customize a LIMS for our molecular lab. Do you know of a LIMS that you've used in a molecular lab before, or one that could be used. Thanks for the help (Edit) Some of ...
6
votes
1answer
59 views

Why aren't genetic triplets roughly evenly found in DNA?

Sorry, the page I linked to is huge and you'll need to do a text search for "CG" to find the part I'm talking about. I found a graph on this page (http://www.oftenpaper.net/sierpinski.htm) showing ...
7
votes
1answer
225 views

What is peptide mapping?

After searching online for peptide mapping to my understanding it can be treated as the fingerprint of the protein. It is obtained at the end of several chemical processes and it helps to understand ...
-2
votes
1answer
214 views

What is the difference between electrons and energy? [closed]

I'm studying microbiology right now and I have come across something confusing to me. I thought electrons provided energy to the cell by being incorporated into reducing powers and eventually driving ...
4
votes
1answer
37 views

Terminology regarding cross-immunoreactivity

After reading an article, I saw expressions like "cross-immunoreactivity among epitopes", "cross-immunoreactivity among variants of virus", "immunological reactions among pairs of peptides" and so on. ...
4
votes
2answers
3k views

What is the contribution of the cockroach to the ecological environment?

I've read a lot about cockroaches but was unable to find how they contribute to the ecological environment. Does anyone know?
5
votes
2answers
125 views

If the haploid prothallium of a fern fertilizes itself into a diploid sporophyte, does this make all ferns clones?

From what I understand in the alternation of generations in ferns, mature spores germinate into a haploid prothallium. But how does this gametophyte produce recombinant gametes if it itself develops ...
-2
votes
1answer
84 views

Cellular components of blood cells [closed]

There are different types of blood cells in the human body i.e. red blood cells, neutrophils, basophils, eosinophils, monocytes, T-cells, B-cells. What are the cellular components of these cells? ...
5
votes
2answers
176 views

Non Coding DNA and its effect on evolution

I had a discussion with a friend of mine; from his understanding, bacteria and other small organisms have higher amounts of "coding" DNA and, as such, are able to evolve much faster than organisms ...
7
votes
2answers
662 views

What is the difference between sequence, reads, and contigs of genetic material?

Can someone explain the differences between sequence, reads, and contigs of genetic material such as DNA, if possible with an example? I am new to bioinformatics, and I have not found any conclusive ...
3
votes
1answer
64 views

Pavlovian Conditioning And Synesthesia

I have been reading about Pavlovian brain conditioning and it seems that documented cases are mostly limited to motor reflexes (like conditioning an eyelid to close when hearing a tone) or taste ...
8
votes
2answers
461 views

Is it possible to add a new sequence to a blast database without recreating it from scratch?

I have a new sequence and I want to add it to a pre-constructed BLAST database containing other sequences. The makeblastdb help does not give any hint on this regard.
0
votes
1answer
89 views

What is the point at which abiogenesis is complete and evolution begins? [closed]

Is the minimum criterion for life a single cell? It seems that self-replicating RNA is not enough, but I don't know. What would be the most basic cell that could fit this criterion and what cells ...
4
votes
1answer
42 views

Medium for Pseudomonas?

What is a good minimal medium for Pseudomonas bacteria? Do I need different media for different Pseudomonas species?
4
votes
0answers
54 views

Does anxiety about weight or eating cause people to become overweight?

A while ago I saw this TED talk about the futility of dieting. The speaker suggests that a body maintains a homeostatic weight point and returns to that weight after dieting has stopped: Turns out ...
2
votes
0answers
40 views

Do High Iron Stores (but within the healthy range) Make Sun Exposure Damage Worse?

Ultraviolet damage from sun exposure is related to the creation of free radicals. Iron is often involved in exacerbating damage by free radicals. Having lower iron stores is associated with reduced ...
7
votes
1answer
105 views

Neuronal coordinates of C.elegans

Is there a list of neural coordinates for C.elegans? I need it to build a 3D model. Update: What is available at the moment is: full connectome for example, at openconnectome; neuron description ...
1
vote
1answer
129 views

Evolutionary advantages of wet nose of cats and dogs?

Everyone knows that some animals, at least cats and dogs, keep their noses wet and cool. But why did they evolve it? What evolutionary advantages does it provide? Smell-sensing cells need cooling for ...
2
votes
0answers
86 views

Can DNA test of my grandparent's brother reveal my heritage from that branch of the family?

I'm thinking about doing that DNA test on all my grandparents to know where their genes come from. They are getting very old and I don't want to let the opportunity pass to gather more knowledge about ...
15
votes
2answers
12k views

Can one die from pain?

Is it possible that a human or any other creature can die from pain? I googled and found different answers. Some articles say Yes while others say No.

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