0
votes
1answer
18 views

Is it possible to convert nerve signals or electrical activity into a readable format?

Can we have the technology to recreate the informations (like images, sounds etc.)[as in the form of signals in our mind] from human mind to human understandable format? In short, can we read human ...
0
votes
1answer
10 views

Pollinator mating system in orchids

I came across three terms in an article on pseudocopulation. However I don't quite understand what it means. They are: 1) solitary and haplodiploid 2) social and haplodiploid 3) diploid These ...
1
vote
0answers
21 views

What does the term 'epitope mapping' mean? [on hold]

Epitope mapping means identifying the binding site of antibodies on the target antigen. This means that the site to be identified is part of the antigen and not antibody, am I right?
1
vote
1answer
16 views

Where I can find information about the study of animal vision?

I read a lot of articles on the internet about how dog see the the world. But I can't find the source of these study. I want to know how did scientist setup the experiment to find out animal vision. I ...
2
votes
2answers
22 views

What is the mechanism of oxygen uptake in E. coli?

How does E. coli uptake oxygen? Most of the literature I found is concerned with response to oxygen level supplied in the medium, as opposed to how much is actually transported inside. Can they shut ...
3
votes
0answers
15 views

What are the effects of sleep deprivation?

Having recently pulled an "all-nighter" while trying to fix a fatal bug in our release code, I started thinking of any health risks that I might have. What are the adverse effects of staying up for ...
1
vote
1answer
38 views

Does the fossil record disprove Evolution? [on hold]

It is said by people opposed to Evolution, that the fossil record contradicts and disproves it. They say all the animals suddenly appeared, exploded everywhere, were fully formed, had no transitions, ...
6
votes
1answer
286 views

What happens to bones that do not heal?

I would like to know the steps the body takes to heal a broken bone and what happens if it cannot heal properly. I am not looking for advice or explanations on resting and not doing activity, I am ...
1
vote
1answer
29 views

What is the fastest growing bacterium?

E. coli has a generation time of about 20 min, and a single CFU will generate a colony a few millimeters in diameter after 16 hours of incubation. Is this the upper limit? How much faster can ...
1
vote
1answer
42 views

Why do humans have only one liver? [on hold]

Humans have two lungs, two kidneys... But only one liver. If the liver is vital to our survival, why do humans only have one?
2
votes
1answer
68 views

Is there a difference between drinking water straight from the tap compared to leaving it to sit?

An idle question - if a glass if filled from the tap and consumed immediately, it contains some dissolved oxygen from the physical process of moving through the pipes & tap. If left out ...
2
votes
2answers
54 views

How do I perform recurring pattern mining or regular expressions of nucleotide sequences?

I am interested in performing nucleotide sequence pattern-mining (regular expressions) which is 12 characters (sequences) in length from a dataset. Is that possible to script using MATLAB?
2
votes
0answers
17 views

Do bees make honey from fallen fruit?

I know bees make honey from nectar, and I know they drink the juice of fallen fruit, but do they actually make honey from fruit, or do they only eat from it for themselves?
2
votes
1answer
32 views

Do flies actually take off backwards?

I've been told that flies take off backwards, but I haven't really been able to prove it to myself. The closest I've gotten was noticing that they fly into window glass back-first, with their heads ...
0
votes
1answer
20 views

Would it be possible to force the pineal gland to release dimethyltryptamine on command?

To my knowledge, the pineal gland is responsible for the release of dimethyltryptamine (DMT) upon death. Would it be possible to force the pineal gland to release this DMT while still living?
2
votes
2answers
42 views

What is an Ihh-/- mouse?

This one is too basic question: I just came across $Ihh^{-/-}\ $ mouse. Is that means this mouse devoid of that gene Ihh. What is this sign called and are there other such representations?
9
votes
3answers
58 views

What is the smallest scale at which blood vessels, nerves and other structures are deterministic?

Super simple question, but I can't find the answer on the Internet (and I'm in a foreign country so the library is not English.) As the title says, what is the smallest scale at which blood vessels, ...
2
votes
0answers
32 views

Hoechst red and blue spectra - what does the red emission tell us?

I understand that the blue spectrum is emitted when Hoechst 33342 binds to nuclear DNA. But what exactly is the red spectrum telling us? I read that the red spectrum can be indicative of apoptosis, ...
1
vote
1answer
13 views

Do snail shells increase the number of rounds with age?

Do snail shells increase the number of rounds with snail age?
0
votes
0answers
14 views

Does a woman's G-spot actually exist?

Does a woman's G-spot actually exist? Links: G-spot (Gräfenberg spot) at Wikipedia U.S. gynaecologist says he has found the G-spot
0
votes
0answers
17 views

Replacement HDAC inhibitor for VPA [on hold]

I am attempting to recreate an experiment in which VPA promotes critical period learning Valproate reopens critical-period learning of absolute pitch However, my body has a strong negative reaction ...
3
votes
1answer
16 views

What class of histone deacetylase (HDAC) inhibitor is sodium valproate (VPA)?

VPA is a known HDAC inhibitor. But I cannot find what class it is. What class is it? And is there any method of finding an answer better than floundering with Google?
1
vote
1answer
23 views

Why some muscles have more tendons than others?

Very interesting examples to me are Trapezius or Latissimus - they both have places with more tendons than muscles. Taking into account that now they contract weaker and slower with all these tendons, ...
-2
votes
0answers
37 views

What level of magnification is needed to view proteins in a bacteria cell? [on hold]

What lens focus and magnification is needed to view proteins in a bacteria cell?
3
votes
1answer
26 views

Do human neurons in a petri dish do different things from chimpanzee neurons

I want to know if qualitative experiments have been done growing chimpanzee neurons and human neurons in vitro and have any differences emerged, such as the amount of connections per neuron or ...
1
vote
1answer
28 views

Gastro-intestinal physiology reference

I am a physicist but I have always wanted to understand how my digestion takes place in as much detail as possible. I have no idea about books or reference on the subject of Gastro-intestinal and ...
1
vote
1answer
33 views

What are the minimal chemical requirements for a food which we all can eat? [on hold]

I've been puzzled by the following though experiment for the past few days: I want to make my own food from scratch, but I do not know where to start from. I want to be 100% sure that what I eat will ...
0
votes
0answers
18 views

virus affected plant don't show symptoms below the point of attack [on hold]

Suppose a virus attacks a plant,when it attain 5 cm height,as the plant gows symptom will shown,except that 5 cm....why symptoms can't shown in that 5 cm
1
vote
1answer
47 views

What is the functional significance of the difference in cardiolipin/cholesterol ratio in different membranes?

I have read somewhere that the plasma membrane has little cardiolipin but excess cholesterol whereas the inner mitochondrial membrane is rich in cardiolipin and has little cholesterol.I just wanted to ...
2
votes
1answer
44 views

Pectinase Enzyme Assay

I am working on pectinase enzyme assay. I incubated 900 ul of substrate for 10 minutes in the water bath, followed by adding 2ml of DNSA reagent, then 100ul of enzyme extract added finally i read the ...
2
votes
1answer
28 views

Is this a plant, mushroom-fungi?

It was soft and covered in flies. My guess is fungi.
3
votes
0answers
30 views

Do I need to use the same WT C57BL individual for back-crossing or can I use a new one for each generation?

I've just received heterozygote C57BL mice from COMP and I need to start back-crossing them. I've read many colony management protocols, but couldn't understand if I need to use the same WT mouse for ...
3
votes
2answers
35 views

EM Brainwaves VS Brain Wave (EEG) [on hold]

The brain purportedly produces very weak EM waves. EEG is a method of measuring electrical brain activity, it has classifications for the types of brain wave it can detect: Theta, Alpha, Beta, Gamma ...
7
votes
1answer
173 views

Can anyone identify this bird?

Can anyone identify this bird: it looks like a zebra finch but they are not native to UK are they? Photo taken from my garden in Shoreham, West Sussex on 16/8/2014.
3
votes
4answers
95 views

Why do fat people tire quickly?

Fat people have a large amount of calories (energy) stored, but I have noticed all time when they do physical activities they get tired fast in comparison to fit people - why does this happen?
4
votes
2answers
35 views

Compatibility drugs info

Let's suppose that I take a DrugA for ProblemA and then I got this ProblemB and started to take DrugB. Are there general rules I can look up to figure out whether I can take DrugA & DrugB ...
5
votes
2answers
74 views

Why does replication require primers while transcription does not?

In transcription, there is no need for any primer. I guess the basic mechanism of DNA polymerase & RNA polymerase is the same. So why does replication have the need for a primer?
1
vote
1answer
43 views

What are the dimensions in angstrom of bacteria? [on hold]

I'm going to take a picture of a bacteria but I am unsure how large it is. What are the dimensions in angstrom of bacteria?
12
votes
3answers
2k views

Why is high fructose corn syrup unhealthy?

I understand that high fructose corn syrup was found to have detrimental effects on peoples' health. Why is this so?
5
votes
1answer
49 views

Why ml scale blood retrieval is required to run a blood test?

Substances found in blood are present at microscopic scale and tend to be invisible to the unaided eye. Why is a whole vial of blood (at ml scale) is required to assess the presence and concentration ...
3
votes
2answers
52 views

positive and negative feedback

I want to know more about positive feedback in gene regulation and what the different between positive and negative feedback is and the similarity.
3
votes
0answers
24 views

Can the negative afterimage appear only if there is light or is it possible in darkness?

Reading the following paragraph: After staring at the red and blue shamrock, you saw a green and yellow afterimage. Opponent-process theory proposes that as you stared at the red and blue ...
3
votes
1answer
31 views

What is a good identification key for European mushrooms?

I live in the Netherlands, and I am looking for an identification key for mushrooms. Are there any keys you could share?
4
votes
0answers
24 views

Why are recombination rates increasing in mammals?

I have recently become fascinated with an awesome topic in biology and evolution that I feel is rarely covered in biology courses. That is, rates of meiotic recombination, or the the amount that an ...
3
votes
0answers
17 views

Is there a more updated version of the book “Genome?”

I read the book Genome by Matt Ridley for my AP biology course. I found it fascinating, although it seems another book must have been written on the topic since 1999. Anything you can recommend?
2
votes
1answer
28 views

Percentage of mutations caused by radiation?

Consider a gamete in a typical human being. In the interest of being specific, let us say that we're talking about a typical ovum in a typical middle class woman living in a developed nation. What ...
2
votes
1answer
68 views

How much time does it take a human body to replace all of its atoms?

Mikel Vsauce (Vsauce youtube channel) said in his video that it takes about 5 years for the body replace all of its atoms, while in asapscience youtube channel they are claiming that it takes 10 ...
1
vote
0answers
26 views

How do you derive the differential equation for a protein in a cellular model? [closed]

For a cellular model once can use ordinary differential equations to show the change in time of the protein inside a cell. How do you derive such a differential equation for a given protein?
1
vote
1answer
40 views

Do human anal glands have any function?

Anal glands in all kinds of animals play a range of diverse functions - providing fat for preening feathers or waterproofing fur, generating distinct scent, even repelling predators. None of the ...
0
votes
0answers
20 views

What is the function of Brownian motion in our cell? [closed]

My background is a high school student in Indonesia, so if I use wrong term, feel free to edit it. I cant find the right term in English and literally we're just told in last biology class, so I just ...

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