Questions tagged [literature]

Questions about scientific journal papers, books or other written sources, or for requests for references.

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1answer
738 views

Can DNA be considered as a fractal antenna?

I was reading about the consequences of using mobile phones and came across the statement that mobile phones are a potential source of cancers because DNA is a kind of a fractal antenna. The reason ...
2
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0answers
84 views

Are oysters really aphrodisiacs?

Oysters have been thought of as aphrodisiacs for millennia. Is this a case of the bark of a willow tree as a precursor to modern paracetamol, or some sort of marketing ploy. Is there any biological ...
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0answers
36 views

What amount of protein comprises the feces of a domestic cat?

I've heard it said that the fecal excrement of cats, Felis catus, contains adequate amounts of protein so as to attract the interest of other animals e.g. dogs (Canis familiaris). However, I am ...
2
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0answers
868 views

What is the structure of DNA polymerase III?

According to Snustard and Simmons the structure of DNA polymerase III is the following, where the clamp loader( γ -δ complex ) is present on one side: But according to Lehninger the clamp loader is ...
2
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2answers
756 views

Does the red blood cell in frogs undergo amitosis?

It is a notion particularly popular among Chinese high school Biology textbooks, that the red blood cells in frogs can undergo amitosis (not mitosis), a claim which I have not been able to find ...
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1answer
36 views

Why the total phosphorylation of certain neuronal proteins decrease during development?

Looking at the effects of RIM1a which is a protein involved in neurotransmitter release. Any ideas as to why its total phosphorylation decreases as the rats develop? Many thanks Image; https://i....
3
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1answer
111 views

Will sperm cells exhibit chemotaxis towards sucrose?

I was wondering if sperm cells will exhibit chemotaxis towards sucrose? One of my friends told me that sperm cells die in presence of salts. So I guess sperms will move away from salt. Can someone ...
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0answers
55 views

Are there any examples of weighted edit distance genome alignments?

It has been said that weighted edit distance is a preferred way to compare/align genomes in practice, e.g., when identifying genetically similar patients. I wonder if there are some concrete examples ...
2
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0answers
398 views

Is it possible to mathematically model the growth of plants?

Are there mathematical equations that represent/model the growth of plants? For example, if I have a Bellis perennis and I want to know how it develops in a given environment (Sun is shining, defined ...
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1answer
40 views

Is there a reference for the composition of viral genomes?

First of all forgive me for the bad written question. I'm not a biologist. I'm neither a doctor nor a virologist. I am a physicist actually, and I have this question in mind since a long while. What ...
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1answer
522 views

Are there biochemical differences between the cell membranes of prokaryotes and eukaryotes?

I would like to know if there is any difference in chemical composition of cellular bilayer lipid membrane between eukaryotes and prokaryotes. Specifically, I would like to know about the action of ...
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1answer
7k views

How long does it take for dopamine to reach normal levels after a significant drop?

The building block sequence for is: Phenylalanine << Tyrosine << L-Dopa << Dopamine. It’s produced only in a few, very specific regions: Substantia Nigra and the Ventral Tegmental ...
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3answers
140 views

Gene expression for mathematicians: where to start?

I am a PhD student in mathematics, and I will be involved on a project that aims to cluster (i.e. automatically group) people according to their gene expressions. Well, the project looks very nice, ...
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0answers
315 views

Difference between dysentery and bloody diarrhea

The difference between diarrhoea and dysentery is quite clear; but the appearance of blood in stool or bloody diarrhoea is a very confusing term when compared with dysentery. Are they different in the ...
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0answers
279 views

Anatomical Angle Made by the Fingers of an Extended Palm

Does the angle made by the fingers (excluding the thumb) of an extended palm (as shown in the figure below) have a name (such as the Lovibond or Cobb angle, for instance) ? I have already checked ...
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2answers
291 views

Is nucleoside-triphosphate delivery to RNA or DNA polymerase active or passive?

Are nucleoside triphosphates (NTPs) actively delivered to RNA polymerase (similarly dNTPs to DNA polymerase) through some active chaperoned process, or are they so abundant in the nucleus that they ...
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1answer
328 views

Clonality of tumour cells

Does all cancer cells come from a single clone of cells or are there evidences of polyclonal cancer cells too?
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0answers
209 views

Derivation of discrete replicator dynamics

Related: Discrete vs Continuous Replicator Dynamics I am trying to perform a derivation of the discrete time replicator dynamics, but I am unable to get through Cressman's derivation in "Evolutionary ...
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0answers
21 views

Growth of Axons

Does anybody know a paper in which the growth of axons, i. e. their length in dependence of time was measured? I did some literature mining myself, but couldn' t find any results. I'm looking for a ...
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0answers
109 views

Formulation of Biomass reaction for metabolic model [closed]

What are some good review articles that could help me develop basic knowledge regarding biomass equation formulation? I read this paper titled biomass objective function, but it only gives a general ...
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1answer
27 views

Use of beta-2 microglobulin staining to assess frozen tissue sample integrity

In a Russian paper I'm reading the authors use staining for beta-2 microglobulin (B2M) to make sure that a variety of frozen tissue samples still express antigens on their surface, so that these ...
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1answer
66 views

Where should I go for online information on animals endemic specifically in Mozambique?

I've been involved with the citizen science project "Wildcam Gorongosa" for over half a year now (website, forum). As there are lots of unexperienced volunteers, many questions are being asked. Often ...
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0answers
99 views

How well can proteins discriminate between ATP and GTP? Can ATP act as a GTP mimetic?

GTP and ATP are similar structures with the adenosine and guanosine groups differing. Both are involved in a vast array of biological functions. However it has been shown that in certain cases, GTP ...
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0answers
27 views

How to Determine Sufficient Time for Melanoma Survivor to Be Considered Low Risk?

Regarding melanoma, how do we determine the minimum amount of time that a patient is disease free for them to be considered low risk? We are attempting to do survival analysis on RNASeq data from ...
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1answer
132 views

Binding kinetics of 6xHis-Tag

For the planning of an experiment I would like to know the binding kinetics (kon and koff) of a 6x-His-tag to a Ni-NTA surface. I know they should differ due to surface quality and position of the ...
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1answer
940 views

Can a chicken really be hatched outside of the egg?

This YouTube video (screenshots attached) claims to show Japanese schoolchildren breaking an egg into a kind of clingfilm "hammock in a cup", and then growing and hatching a chick from it in an ...
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1answer
182 views

Is there a biological explanation for perceived deeper cognition whilst on cannabis?

Cannabis has been associated with literature, arts, and culture for centuries. There are a few features of the drugs affect on the human mind that account for this, however it remains illegal in most ...
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0answers
50 views

Can you suggest me some books/articles about how female birds indicate receptivity to copulation? [closed]

Where can I find informations about the topic? I need to find some examples. I also really need this particular information: I know that many female mammals display lordosis behavior that indicate ...
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1answer
190 views

What is the most up-to-date CRISPR/Cas9 protocol?

I am collecting literature to start a new project on CRISPR/Cas9 gene editing. I must put together a protocol to start and am intending to use the following paper as guidance: "Genome engineering ...
4
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1answer
167 views

What are the secondary structure requirements for cell-penetrating peptides AKA protein transduction domains

Cell penetrating peptides. Cell penetrating peptides (CPPs) are a class of short amino acid sequences which are sufficient for crossing cell membranes and delivering themselves along with any ...
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5answers
622 views

How can I search for and find specific biology topics in scientific journals?

I looked on google to find "scientific paper on biological explanation of homosexuality" but nothing comes up that appears reliable or from a journal. Then I looked up "scientific journals" and I ...
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2answers
62 views

Can one talk about deacetylation of a promoter rather than associated histone?

I am confused on a detail in a paper I am reading and am not sure whether I am misunderstanding the wording or misunderstanding the concept. I am including the whole abstract of this paper for ...
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2answers
129 views

Books about famous experiments in biology - 'methods of investigation'

I'll explain briefly what I need (hoping to find something) : I wanted to know if someone knew about a book that in a way or another talked about the greatest experiments in biology (Griffith, Avery-...
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0answers
34 views

Calculating the human carrying capacity for turtle tours?

I am looking to calculate the human carrying capacity of a leatherback nesting beach in the Caribbean to inform conservation policy on the maximum number of people allowed on turtle tours; yet after ...
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0answers
55 views

Article or answer to whether “blood volume pressure” and “electrodermal activity” have any correlation to stress and or feelings overall

As the title suggests, I would like some help finding if there is any correlation between between blood volume pressure and electrodermal activity? The paper I'm writing is about measuring stress and ...
5
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1answer
267 views

Is there a difference in cytoplasmic pH between prokaryotes and eukaryotes?

The cytosolic pH in human cells is around 7.4, but fluctuates as the cell is replicating. Prokaryotes and eukaryotes are vastly different in many ways. One thing they share is cytoplasm. Is there any ...
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0answers
88 views

How to quantify quality of vegetables and fruits?

I am interested in knowing if there have been studies in quantifying the quality of vegetables and fruits. By simple examination, it is possible for us to identify if a particular vegetable is 'spoilt'...
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1answer
46 views

Is there some research paper which focus on the influence of using cancer cell as experimental materials on experimental result? [closed]

Cancer cell is unstable cell and high variation, but there are many experiment use cancer cell as experimental materials. I always wonder how much influence can using cancer cell as experimental ...
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1answer
210 views

Which literature/study/myth spurred the idea that urine is sterile?

There is a seemingly unfounded mantra that a person's urine is sterile who is not suffering from a UTI. So far I have found convincing evidence to the contrary; urine is not sterile. This poster ...
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0answers
34 views

Synapse formation [closed]

I am trying to learn about neuronal synapse formation, but the literature is intimidating to someone with little background knowledge. I am interested in synapse formation in both human adults as ...
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0answers
44 views

Can we predict a person's tolerance to cold exposure during excercise?

Being an amateur athlete and student of anatomy I've always wanted to know if there is a formula for determining an unconditioned body's tolerance to cold temperatures while exercising. I know the ...
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1answer
115 views

Difference between various evolutionary terms [closed]

Could someone kindly explain me the difference between Phylogeny, Phylogenetic Tree, Evolutionary Trees, Phylotype, Clusters, OTU (Open Taxonomic Units). Or if possible please do suggest me a beginner'...
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1answer
2k views

How does paracetamol work?

Hinz et al. 2008 found that COX-2 may be inhibited by paracetamol, and this is attributed to it's analgesic and antipyretic properties. However there are other more recent claims from Andersson et al.,...
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0answers
117 views

Nail polish toxicity studies?

Are there any well-founded studies that authoritatively demonstrate negative effects from the use of nail polish, particularly in children? I've been brought into the fray of a couple of folks who ...
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1answer
530 views

How does membrane potential vary between intraceullar membranes and the cellular membrane?

Question Does each type of membrane have a different membrane potential? I'm especially interested in answers that can cite academic papers that have attempted to measure membrane potentials. ...
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2answers
161 views

Problems in optimisation with applications to biology? [closed]

I will soon have around 8 weeks to do a research project of my choosing as I am finishing my undergrad in computer science. My experience is mostly in optimisation algorithms (mostly combinatorial/...
3
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2answers
43 views

NCBI E-utility to Find Shortest Citation Path Between Two Publications

I'm trying to perform a thorough review of Hi-C and RNAi developments and have found myself looking at publication A (2011) and publication B (2015). B doesn't cite A explicitly but I'm sure there are ...
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1answer
138 views

Which Darwin book (and today edition) is illustrated by his own drawings?

I am interested in buying Charles Darwin books and mostly drawings (nowadays editions, I am not a collector). Please, can you advise in which book and which edition I can find the most of his drawings?...
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1answer
27 views

What is the change in ratio of histone to protamine in men with infertility called?

I am neither a biology researcher nor a student. In a paper (written by a biology researcher) I am translating into English, there is the following statement which, according to the text, must have a ...
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0answers
60 views

Effect of cellular phone towers on human health

We live in world of mobiles, tablets, PCs and other electronic gadgets. We are continuously exposed to radio frequencies and other cellular frequencies. Generally, all of these waves are very low ...