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0answers
7 views

In the notch signaling pathway, what is Fringe activating?

Take a look at the notch signaling pathway in human from KEGG : https://www.genome.jp/kegg-bin/show_pathway?hsa04330 I want to know what is Fringe activating. It is not pointing to another gene or ...
2
votes
0answers
15 views

Does photosynthesis begin instantly when a plant is exposed to light?

I'm curious to know if the process of photosynthesis has a "ramp-up" time to become useful to a plant, or if it begins instantaneously when the plant is exposed to light after a period of darkness. ...
3
votes
2answers
288 views

What is “irrational” drug/molecule design?

Both the papers "Directed evolution: the 'rational' basis for 'irrational' design" by Tobin et al. and "Rational and 'Irrational' Design of Proteins and Their Use in Biotechnology" by Nixon et al. ...
1
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0answers
14 views

Is it possible for an immune host to be reinfected and show symptom before swift recovery?

For example, let's say the pathogen is a virus, and the host was infected once but recovered purely on its own and thus retained a highly effective adapted immunity. However, if we IV inject the the ...
0
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1answer
13 views

Calculating Rate of Growth without a Population

Lets say that by studying individuals of a rare species, you have determined that species gestation period, age of sexual maturity, average time between pregnancies, maximum lifespan, and average ...
1
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1answer
23 views

A question about dna triplex

Short DNA triplex strands have been identified in various organsims. But, would injecting a single strand of DNA or RNA (with its bases complementary to the bases of DNA found in the major groove of a ...
-2
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1answer
28 views

Genes associated with human female breast size

What are the genes associated with female breast size and natural variation thereof in human beings?
0
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0answers
8 views

Why the body uses Myosin for movement and Kinesin for transport?

I'm looking to summarize why most cells evolved to use Myosin (and Aktin) for movement and Kinesin (and microtubulli) for transport.
0
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0answers
12 views

can anybody help me to identify Divergent gene pair from a list of human genes, is there is any connection between Transcription Start Site(TSS)

I am trying to build a computational model to predict the divergent and convergent gene pair from a set of genes. For that, I want to categorize the gene pairs based on gene orientation. From a paper, ...
0
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0answers
5 views

What is the plant genus or species which is most durable to darkness? [migrated]

I would like to buy indoor plants to put them in a room which usually have a very low amount of natural and/or artificial light. I understand that such indoor plants are usually low-height (up to 1 ...
0
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0answers
25 views

Salt water swish for dental health [duplicate]

I was wondering as to why warm water is told for salt water gargle and not cold water, does warm water has more therapeutic effect? Also does salt really work, excess salty water might kill bacteria ...
-1
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0answers
22 views

Clarifications on secondary structure of proteins

$\beta$- structures in proteins are usually named as $\beta$ - sheets, $\beta$-turn, $\beta$-bridge. What are the differences among them? What are the regions called $\alpha$, $\gamma$, $\delta$, $\...
0
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0answers
11 views

Non specific band in EMSA gel?

I am doing EMSA with Thermo LightShift Kit. I have a 150 bp biotin labeled probe which has been PCR amplified, gel eluted and sequenced. When I load samples on 5% native polyacrylamide gel, I see a ...
0
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0answers
11 views

will meat/chicken protein mix with water while cooking?

I'm interested to know, if we cook meat/chicken in water, will some of it's pretein mix with water? Is this amount considerable and should we eat this water for it's pretein or not?
1
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0answers
31 views

What are the differences between internal organs between sub-saharan Africans and Northern Europeans

Lets take as examples a typical Norwegian and a typical Nigerian. In terms of human anatonomy the outer differences are more obvious e.g. (on average) White skin vs dark skin Pointy nose vs broad ...
0
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0answers
10 views

What percent of mucle growth is possible without steroids consumption?

I am interested to know, if someone does bodybuilding exercises with good rest, enough protein, high presure workout, etc, but without consuming any steroids, how much of muscle gorwth is possible for ...
-1
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0answers
8 views

Can the human body store protein?

I am interested to know if a human body can store protein. Absolutely for the bodybuilders, does it really matter if they divide their protein consumption during the day or eat all of it in one meal ...
0
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1answer
17 views

Circulating Tumor Cell vs Circulating Tumor DNA

I'm a little confused about the wording of these two phrases and under which context the epithelial-mesenchymal transition occurs. For example: Is it the circulating tumor cell that releases the ...
0
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1answer
66 views

Examples of healthy lifelong asymptomatic carrier of a severe infectious disease?

I am curious, is there any known disease/infection that is very severe normally (patient suffers greatly and die easily without medical treatment), but ends up having little to no effect on the lives ...
4
votes
1answer
68 views

Why do biologists judge intellect based on brain size?

I have seen many times, that scientists will say Species A is smarter than Species B due to a higher brain-to-body ratio. I've even seen similar arguments made by comparing the sizes of specific ...
-4
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0answers
23 views

what is the fastest growing plant? (raw material to physiologically active cells) [closed]

What plant species grows(accumulates biomass at the fastest rate?
0
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0answers
6 views

How to create a .phy file for constructing a phylogenetic tree? [migrated]

I'm new here. I need to construct a phylogenetic tree from 16s Sequence data (merged 151 bp) and color the branches/nodes based on my experimental conditions. From this blog, it looks like I need a ....
1
vote
1answer
27 views

How does the age of a parent affect the chances of occurrence of certain genetically transmitted diseases?

Do genetically transmitted age-related diseases (like hypertension, arthritis etc.)have the probability of occurring at an earlier(younger) age in the offspring if they are born at a later age to ...
1
vote
1answer
77 views

Can I execute/model a genome?

Hi I am wondering if we can execute a genome on the sub-cellular level by running it on the computer. What I mean is using the genome as data to examine by having the cells reproduce and see what ...
-1
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0answers
18 views

Why does rolling the eyeballs upward in the skull affect pressure in the inner ears?

For humans, why does the act of rolling the eyeballs upward in the skull effect a humming sensation in the inner ear? Is the musculature of the eye sockets closely linked to inner ear structure?
2
votes
1answer
58 views

The “truce of the watering hole” — is it completely discredited?

In short, the idea comes from Kipling that animals observe a sort of truce around watering holes and prey animals do not have to be on guard (as much?) from predators in the vicinity. I have read ...
-4
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0answers
23 views

If the volume of your blood was increased by 1% every day, how long would it take for you to die of excessive blood-having?

The blood might be introduced by a transfer, or maybe you have overactive blood factories (the parts of your body that make blood).
-2
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0answers
19 views

What about coronaviruses that make them particularly

What about coronaviruses that make them particularly “prone” to spread between species???
0
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0answers
29 views

Is there a conformal transformation that maps the skull of Panthera tigris to the one of Panthera leo?

While visiting the Museum of Natural History in Rouen a few months ago, I was stunned by the similarity between the skulls of Panthera tigris and Panthera Leo: the overall shapes were very similar and ...
-1
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0answers
44 views

Explanation needed on why a certain compound is not needed for life

I was given the following problem: Two scientists conducted an experiment to determine whether early Earth would have favored the formation of larger, more complex molecules from basic precursors. ...
0
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0answers
6 views

Infared light effect on animals [migrated]

I have built a Webcam with a raspberry pi. It is supposed to go in the house of our guineapigs to watch what their doing. The camera has no IR filter so I want to get some IR lights to give the camera ...
0
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0answers
19 views

How is alkaline phosphatase involved in ossification?

How is alkaline phosphatase involved in the ossification of bones?
-1
votes
0answers
8 views

A question about viral adsorption

I know that first step of viral infection is adsorption of virus to cell surface. Does increasing blood velocity ( by exercising or increasing blood pressure ) affect adsorption rate and make it ...
-1
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0answers
20 views

Soil antibiotics [closed]

I know that many antibiotics are continuously formed by soil bacteria and fungi. So, how could we use raw soil without any treatment (in case of absence of modern technology) to treat infections?
-1
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0answers
35 views

What is the real meaning of divergent gene pair?

is it only related with Head to Head organisation of the gene or the TSS distance is also a factor. I am trying to build a computational model to predict the divergent and convergent gene pair from a ...
0
votes
1answer
35 views

Is one DNA molecule same as one chromosome [duplicate]

Is one DNA molecule = one chromosome or is one DNA molecule = all the chromosomes, ie, all the genetic material in our cells? I have googled it but I am not getting clear answers ?
-1
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0answers
15 views

Toxocara on brain and lungs? [closed]

Lungs Can someone answer me,it is about my son 8 years old,he get infected with toxocara canis and he almost died,it was presumed that toxocara was on his brain and infect neurology sissten CNS,he ...
0
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0answers
13 views

Estimating density based on fixed distance sampling

Please I need help as to estimating the density of bird species based on fixed distance sampling...I'm doing this in R and so far the scripts I have are all based on variable distances.
-2
votes
0answers
21 views

Dead caterpillars on the floor in the morning

I keep seeing dead/half-alive caterpillars on the floor in the morning and I'm just wondering what is going on? There are plants near them but the caterpillars are always around 1 meter away from the ...
-2
votes
1answer
35 views

the blue whale calf gains 200 pounds per day- amazing biotransformation

MY main research topic is TIME in relation to biology the blue whale calf CONVERTING mothers milk to fuctional bio-mass(up to 200 pounds/day) IS amazing-if this secret could be uncovered and used in ...
5
votes
1answer
58 views

Why gram-negative bacteria attack the digestive system more than gram-positive ones do?

I was researching for a biology project on the subject of contagious infections of the digestive system (mainly the intestines) and almost all of the bacteria that came up (E.coli, Shigella, Cholera, ...
-1
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0answers
15 views

What is the full form of Lex A protein?

Would you please tell me the full form of lexA protein?
4
votes
1answer
182 views

What are an internal and external exons?

I read the book: Essential Genetics and Genomics It has a table summarizing the properties of the "typical" human gene: It has a gene feature Size of internal exon,...
0
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0answers
18 views

Can heterotrophs use anabolism to obtain energy?

With that question I mean: directly. Please bear with me, as I don't know much about Biology or Chemistry (those are my main difficulties while studying). I know that energy that biological beings ...
2
votes
1answer
90 views

How did the Spanish Flu disappear?

In 1918 through 1920, an Influenza pandemic colloquially named the "Spanish Flu", ravaged the world. It infected about half a billion people, and killed as many as 50 million people. But my question ...
2
votes
0answers
28 views

Does antibodies get produced in female body against sperms?

Our immune system produces antibodies against any foreign particles entering our body.In female body sperms are a foreign particle .Does females produce antibodies or some sort of chemical resistance ...
-1
votes
2answers
52 views

Does technological developments terminate the evolution of human species? [duplicate]

One of the most agreed upon mechanism for evolution is natural selection.Changing environmental conditions necessities development of variations that enable the survival of that particular species....
-2
votes
0answers
28 views

Sperm Formation and human sexual reproduction [closed]

This is not a personal question. I understand that there are two ways to view this question. I have asked in the interest of understanding the male reproductive system. I'm not asking for any personal ...
1
vote
0answers
51 views

Why is insulin resistance associated with obesity?

Type 1 diabetes results from the destruction of the cells in the pancreas that produce insulin, while type 2 diabetes is characterized by so-called "insulin resistance", presumably a reduced ...
-4
votes
1answer
44 views

Why aren't viruses considered to be non-cellular life?

I have always thought of viruses as being non-cellular lifeforms. And no, it isn't just because of Wikipedia. I have heard that there are viruses that are so complex, that they are very close to being ...

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