Questions tagged [literature]

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

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How to microscopically identify (at least roughly) fungi which not producing any specialized reproductive structure?

If a fungus does not produce any kind of recognizable sexual or asexual reproductive structure but keeps producing vegetative hyphae; is it possible to at least roughly identify them using a compound ...
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1answer
45 views

Growth rate oscillation in the a population of non-interacting bacteria

I have come across this theoretical paper claiming that if you start a batch culture from a single E. coli cell, the exponential growth rate of the population defined as $$k = \frac1N \frac{dN}{dt}$$ ...
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28 views

Where to look up animal facts concisely

Googling leads to results such as this: DIET Eagles primarily eat fish, carrion, smaller birds and rodents. Eagles are also known to prey on large birds and large fish. POPULATION Bald ...
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20 views

Database of colors mapped to species

I was wondering about the physics of color, and now am interested in finding out if there are any resources (databases, text files, html tables, or pdf listings) of species and their associated colors ...
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2answers
42 views

Are there any non-pathogenic gram-positive bacteria in human gut?

I wish to know if there are any non-pathogenic (not even opportunistic pathogen) gram-positive bacteria in the human gut? Is there any reference that shows there exists a non-pathogenic gram-positive ...
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1answer
17 views

How to get taxonomic tree data

I am looking for taxonomy data of individual species and their classes something like the following format: ...
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19 views

Reference request: Lipid composition in bacterial, yeast and human membranes

I would like to know about the lipid composition of different kinds of cellular membranes. I remember going through such a table once in a paper, but I am unable to find it anymore. What I am looking ...
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9 views

Is autoimmune disease associated with self-reactive B cells?

I'm a bit of an amateur, so excuse what may be a very naive question, but I somewhat understand how B cells that are self-reactive (bind to endogenous epitopes) are selected out during development. I ...
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19 views

Clarification of method notation in yeast cultivation method

I'm reading a paper about yeast culture and in the methods, it says: Then $5$ ml of sterile $M/15\ KH_2PO_4$, was added to the slant, What is the meaning of $M/15$?
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1answer
50 views

Why do stem cells injected into muscle become muscle cells?

In this article published in Science Daily, researchers injected teratoma-derived stem cells into mice with muscular dystrophy, and the stem cells regenerated 80% of the lost muscle. But what is the ...
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1answer
163 views

Why is exclusive breastfeeding recommended for 6 months only?

The WHO recommends exclusive breastfeeding for the first 6 months of a child's life. Review of evidence has shown that, on a population basis, exclusive breastfeeding for 6 months is the optimal ...
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56 views

What is the status of the “Free Energy Principle” as a theory of living organisms?

The free energy principle states that biological organisms maintain their order by minimizing a function called variational free energy (VFE). While it is the case that the minimum to VFE also ...
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Sugested literature for herpetology

I'm a mathametician who always have liked biology and especially reptiles. I'm here because I wanted to ask you for advice in to which books should I read to start with herpetology and what should I ...
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24 views

What does hypolithial mean

I'm writing a thesis in biology and my supervisor asked me to find literature about beetles living under rocks - specifically she wants me to find something about hypolithial diversity. However Google ...
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1answer
31 views

What is an accessible book about plant evolution for a non-biologist? [closed]

I have an acquaintance interested in learning about the evolution history of plants. This person has a wide knowledge on botanics, from personal reading and taking care of plants, but E is neither a ...
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1answer
53 views

Book on the history of Darwin's discoveries and development of his theory

This question is a book request. I am wondering if there are any books with these elements: Tells the history of Darwin's discoveries. Captures Darwin's changing views of the origins of species, ...
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1answer
27 views

What does $g_0$ mean for a centrifuge?

I'm about to make some Graphene Oxide and in the paper for Tour's Method it uses a centrifuge to isolate the solution. However it requires $319g_0$. What does this mean, and will a centrifuge with ...
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1answer
53 views

What's a good reference for learning about recombinant proteins?

I'm looking for books and articles that can bring me up to speed on the design, expression, and purification of mammalian proteins in recombinant systems, both in E. coli and in more complex systems ...
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27 views

Want reference for a convention

This answer to another question satisfactorily answer one of my major confusion. The convention is that in indicating any sequence feature† in a protein-coding gene on double-stranded DNA, a ...
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202 views

True examples of common variation due to Mendelian Inheritance

Classic examples of mendelian inheritance are genetic diseases such as sickle-cell anemia, Tay-Sachs, cystic fibrosis, and xeroderma pigmentosa. For some of these diseases, it is believed that they ...
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29 views

Do marsupials ever die in childbirth?

Question: Do marsupials ever die in childbirth? Obviously the notion of there being a linear ordering of "least advanced" to "most advanced" life forms isn't correct. Still, often marsupials are ...
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46 views

GABA in plants (article about its mechanism)

I am studing to plant physiology exam and i cross over the statment about GABA in plants. It said that level of GABA increasing my thermal shock. But mechanism of effect on plants is unknown. Can ...
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1answer
161 views

Molecular psychology/psychiatry literature/articles

I am new biology student which is on molecular biology subject on university. I would like to know something about genetic related to neurobiology, and certainly molecular psychiatry/psychology, ...
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1answer
98 views

Looking for the closest example of life forms similar to some mathematical patterns

Caveat: this is my first question here, it is quite interdisciplinary, but I hope to be in the correct place to ask. I am a user of Mathematics Stack Exchange since some years ago, and this question ...
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14 views

Do antibodies to an arbovirus in a bloodmeal reduce vector competence?

When we conduct mosquito infection studies we typically mix blood and virus rather than using viraemic blood from naturally infected hosts. I'm looking for a paper I read some years ago which ...
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1answer
307 views

Why do cats meow but lions and tigers roar?

So as far as I know the cat animals are related to each other by evolution. (Please correct me on this if I am wrong?) How come the big cats; lions, tigers et.c. roar but smaller cats like house ...
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2answers
114 views

Why is full cell/high antigen dose pertussis vaccine dangerous for adults?

I do remember that I have read (or heard) somewhere that as a human is older, the whole cell vaccine (and high antigen dose one) has more and more adverse effects. As it is consistent with the target ...
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142 views

How to cite a herbarium specimen

How do I cite a herbarium specimen that I have used to prepare a botanical description? Do I use the collector's name and number or the herbarium code and accession number? What if there is no record ...
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231 views

Did early 20th century researchers state why they used E. coli as a model organism?

I am investigating the early uses of E. coli as a model organism. Sadly, many early 20th century papers are not in English. In those that are, I have been unable to find explicit statements as to why ...
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1answer
69 views

Do cells communicate only in binary levels?

In modern communication we generally have various schemes to communicate the given signal, one of them is to convey information with different levels. does cell signaling too have levels apart from ...
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71 views

Kinetic mathematical model of glycolysis?

I am looking for papers containing kinetic mathematical models of glycolysis, hopefully in mammalian cells (or as close as possible, say yeast). The papers I have found do qualitative analysis (...
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10 views

Tests for object size discrimination in mammals?

Are there common testing protocols for establishing whether an animal (mammals especially) can distinguish the size of objects? In particular, are there procedures or is there good literature on ways ...
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2answers
90 views

Is arachnophobia connected to lower immunity against spider toxins?

Are arachnophobics more subceptible to toxical effects coming from spider toxins?
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41 views

Reference request for Sydney Brenner's “it might come in handy in the cretaceous” quote

In {1}, Richard Dawkins attributes a quote to Sydney Brenner without giving a citation. I'm preparing a publication on the same topic and if possible I would like to track down the original reference ...
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4answers
963 views

How much vitamin C has a noticeable effect on E.coli k12

I am doing a research on effects of different concentrations of vitamin C on serial dilutions of E.coli k12. I am looking for literature that has already shown effects of vitamin C on E.coli, but ...
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111 views

What happens to those molecules that are not received by receptor proteins on the cell membrane?

I am studying cell communication and come to know that proteins from outside environment gets received by receptors on the cellular membrane and then the signal is transduced inside the cell. My ...
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1answer
198 views

Can a novel protein domain arise de novo in nature or did all protein domains evolve from a single ancestor?

I know there is extensive research into the taxonomy and evolution of protein domains and many connections are, and are continuing to be, found between numerous domains. However, as far as I can see, ...
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2answers
107 views

What are the major differences between good study habits for biology vs mathematics? [closed]

I'm a math prof. But, I've always loved reading about biology (the paleobiology of microbes and some small animals mostly) it's my hobby but I want to learn more maybe take a course. My longer term ...
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44 views

3D Object Modelling in the Brain

Could somebody point out the neuroscience literature dedicated to the modelling of 3D objects in the human mind? I'm interested in the brain regions, and particularly the details of the circuitry, ...
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56 views

Visual maps of the neuronal membrane

There are lots of visual maps of the brain as a whole, especially the cortex, that show the distribution of "features" over a two-dimensional map, e.g. the Brodman areas (their morphology and their ...
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1answer
37 views

What is the preferred way to abbreviate amino acids?

Amino acids are often denoted using either a 3-letter abbreviation or a 1-letter notation, e.g. Glutamine is denoted via $\mathrm{Gln}$ or $\mathrm{Q}$. When one notation should be preferred over ...
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1answer
119 views

Specific examples of signalling pathway using logical 'OR' and 'AND'?

I have read here that "signals from two different pathways may be needed to activate a response, which is like a logical "AND." Alternatively, either of two pathways may trigger the same response, ...
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1answer
106 views

Spatiotemporal patterns in neural networks

It turns out that my work in nonlinear dynamics directly maps to a close variant of the Integrate and Fire model. My model produces spatiotemporal patterns that resemble foam. I have to stress that ...
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1answer
94 views

white blood cells and cancer cells transport through lymphatic vessels

It is a well-known fact that both of these cells can reach the lymphatic vessels from interstitial space. How does it do so physically? Are there any mathematical models describing this process? It ...
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0answers
80 views

The human brain in numbers II-A: synaptic connections per structural type [closed]

The overall number of synapses in the human brain is roughly 1,000 trillion, i.e. 10,000 synapses per neuron. I assume that each structural type of neuron (basket, pyramidal, ...) has a somehow ...
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0answers
45 views

Control of neural systems [closed]

It turns out that my work in nonlinear dynamics directly maps to Integrate and Fire models and could even provide a new way to control them (manipulate the firing rates). However, it is unclear to me ...
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1answer
281 views

What is the mass of a human retina?

I'm struggling to find a reference for the mass or density of a human (monkey or rabbit would also work) retina. I'd appreciate any help!
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51 views

What are the microscopic mechanisms of plant branching?

For a long time I've been idly interested in how the shape of a complex organism gets determined during development at a microscopic level. Recently I've realized that plants could be a good place to ...
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1answer
39 views

Is there any species (subespecies?) whose DNA or RNA contains only in stem-loop structures?

I am a computer-scientist working in nucleic acids from the perspective of Formal Language Theory. I am dealing with several papers that analyze the Stem-Loop structure of DNA. I would like some ...
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Basic molecular biology of nucleic acids book for a mathematician studying DNA and RNA formally?

I am a mathematician studying DNA and RNA language from the perspective of Formal Language Theory. Note that I am aware of these posts: best book for a comprehensive introduction to biology for a ...