AlexDeLarge
  • Member for 5 years, 10 months
  • Last seen more than a month ago
Can vitamin B17 cure cancer?
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42 votes

Laetrile/Amygdalin has been claimed to be a suitable treatment for 'cancer' (which is a summary term for an extremely heterogeneous class of diseases). Even though laetrile/amygdalin in these claims ...

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Why do mints make your mouth feel cold?
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30 votes

The feeling of cold from mints is caused by menthol. Menthol affects the TRPM8 receptor on skin and also in the mouth. TRPM8 is also a general cold receptor: so if you are in contact with menthol the ...

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What physical evidence exists that shows motor proteins "walking" within a cell?
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16 votes

Since you chose kinesins as an example class of motor proteins, I will also stick to them. In general, the movement mechanisms of kinesins are well studied and the general structure of kinesin ...

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How do we know Neanderthals DNA?
16 votes

The answers here give you reference to the first draft genome. Take a look at these papers for high-quality sequences: Prufer et al., 2014 for Altai Neandertal, Meyer et al., 2012 for the Denisova ...

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What makes humans omnivores, and not herbivores?
12 votes

As the answers given already point out, humans are generally considered omnivores that are able to use food sources available to them opportunistically. Apart from that, there actually is not much to ...

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What were the camels' humps good for back in the polar areas?
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8 votes

In my opinion there might be two reasons why the camel hump (rather than bump) might be one of the adequate adaptations of camels to living in the cold (additional to their flat feet giving hold on ...

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What are the consequences of inbreeding?
7 votes

You are right. Inbreeding strongly increases overall homozygosity which subjects inbred individuals to diseases caused by rare recessive alleles. In non-inbred individuals the chance is quite low to ...

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How statistically significant was the "sweaty T-shirt" experiment?
6 votes

@bshane has already provided an excellent answer to the question. However, I just found a recent review published in Molecular Ecology (Winternitz et al., 2016) in which the authors performed a ...

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How close genetically is the most human-like chimpanzee to the most chimp-like human?
6 votes

The answer given by leekaiinthesky and partially in the comments on the question give a good general picture. I also think that the variation within the respective species is way less than between the ...

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Where to download gene list of human genome?
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5 votes

The database you are looking for is ensembl [Yates (2016)]. Go here and chose Customise your download. There you can select a dataset (e.g. genes and then specify human genes - currently uses build ...

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What species is this bird (found in Cousset, Switzerland)?
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5 votes

This is really hard to tell given the quality of the picture. What size was it? Could be Emberiza citrinella, the so-called yellowhammer - a year-long resident in Switzerland. It is about 16 cm in ...

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Why are most mutations recessive?
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5 votes

It is a bit ironic that you phrase your question with 'in the first place'. There is a parsimonious explanation for the effect: Dominant deleterious variants are quickly removed by purifying selection ...

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What is the name of the groove down the middle of an anther?
5 votes

I think what you are looking for is the connective. Anthers are usually two-lobed and connected by a band of sterile tissue that also connects the anther with the filament - therefore the name, I ...

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Do apes and humans share 99% of DNA or 99% of genes? What is the difference?
5 votes

Most of the answers here focus on the difference between the concepts of 'DNA' and 'genes' very well. However, the sequence identity between humans and chimpanzees is not covered as rigorously and ...

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Earth's history: The Great Oxidation Event and the 'Boring Billion'
4 votes

Your question probably arises from a misunderstanding regarding the 'flooding' metaphor. I would not assume that 'flooded Earth's atmosphere with oxygen' means a lot of oxygen in the first place ... ...

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Text Book Recommendation: Cell & Molecular Biology + Organic Chemistry
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4 votes

Given your requirements I would go for the Alberts for molecular cell biology. For organic chemistry, in my opinion, there is no better book then the Clayden. It is targeted at OC students but I - as ...

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Is there a genetic reason explaining the difference of the height of male and female?
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3 votes

Short answer: There is strong evidence that height is a heritable trait with a strong genetic component. The genetic mechanism could be higher expression of an X-chromosome gene that, expressed in ...

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Why is Capsaicin injection not used instead of nerve surgeries for pain?
3 votes

There is a simple answer to your question: it might cause a massive inflammation-like response and it might also hurt really, really badly. Capsaicin activates heat receptors which are not only ...

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Is there a word for the assumption that a sufficiently complex and refined organ must be the result of natural selection on a large time scale?
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3 votes

The 'term' you are looking for is actually gradual change or gradual evolution. If you want to make clear that this is an assumption or a theoretical consideration, you could say assumption of gradual ...

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What does "cell type composition" mean?
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3 votes

The problem is that for most sequencing operations you nowadays still need more than one cell - even though this will change soon. Accordingly, you have to sample cells from a tissue which often, if ...

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What chemicals/substances exist in green capsicum (peppers) that do not exist in red capsicum?
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3 votes

Your limited understanding is indeed correct - the different colours indicate different stages of maturation, even though different colour cultivars exist (e.g. some that remain green even if fully ...

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How many Amperes to kill fruit flies and mosquitoes?
3 votes

I am not an electrician and may not be the right person to answer this. But I recently read this paper (Keller et al., 2016) and maybe this helps ... Keller et al. (2016) have a look at laser induced ...

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Perplexing by the way of estimating the shared or different genes between humans and chimps
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3 votes

Even though I am not sure I understand your question completely, I want to try to explain to you the genetic difference between humans and chimpanzees. I will work through your questions: We share 98....

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Relationship between DNA strands and mRNA
3 votes

I would add this as a comment to your question but do not have enough reputation. A simple look at Wikipedia (which is a very good source for general questions like these) would have provided you with ...

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Why X-chromosome linked diseases happen due to recessive gene?
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2 votes

First of all, most observed mutations are recessive (see the answer to this question; in brief: homozygous carriers are strongly selected against, heterozygous carriers are not affected only if the ...

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Definition of nucleotide-associated proteins and RNA-polymerase associated proteins
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2 votes

In short: Nucleotide-associated proteins are DNA-binding proteins that bind DNA. RNA-polymerase associated proteins bind RNA-polymerases and are required for its functionality. In more detail: DNA-...

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Current Trend in Evolution of Human Intelligence
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2 votes

There appears to be some - note that this, of course, is highly controversial - evidence pointing at the direction that intelligence declined in the US and UK during the last century. There is a ...

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Do animals' facial expressions have similar meanings to humans'?
2 votes

I would say no, facial expressions in humans do not generally relate to facial expressions in other animals. Even though there are some cases (as described in the comments an previous answers) that ...

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What is DNA-cellulose chromatography?
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2 votes

DNA-cellulose chromatography is used to purify proteins that bind DNA (Potuzak and Dean 1978, Abdullah et al., 1985). The idea behind it is quite simple: you attach DNA to a cellulose matrix and keep ...

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What legal possibilities exist to get access to articles behind paywalls?
2 votes

There are several ways you can try to get legal access to publications that are not open access. First, and most simple, subscribe to the medium or pay for the single publication. This is usually ...

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