0
votes
1answer
2 views

What are optimal conditions for the bacteria Ideonella sakaiensis?

In case you don't know, Ideonella sakaiensis is a bacterium that 'eats' PET plastic. What are the optimal conditions i.e temperature, pressure etc, for its growth?
0
votes
0answers
3 views

Could mitochondria hypothetically be used as biocompatible nanorobots?

Really this is just an idea, but could it be feasible to genetically engineer mitochondria from someone and inject them into cells to serve certain functions? So they would contain extra DNA and ...
0
votes
0answers
14 views

Baking soda and yoghurt cultures [on hold]

Having heartburn, I was seeking a way to get the probiotic benefits from yoghurt without the acidity. As a base, I'd expect baking soda to kill the bacteria within yoghurt (and yes, make it a little ...
-1
votes
1answer
11 views

Does it exist a website gathering future conferences and workshops on entomology?

I am a Master student and soon a PhD student on entomology and I would really like to not miss really cool and interesting workshops on entomology through the world. But, I always hear about them when ...
0
votes
0answers
7 views

Why are high pitched sounds sensed at the base of the cochlea, i.e. what causes the tonotopic organsiation

I'm trying to understand why high tones are registered in the way that they are. I had gathered that the width of the cochlea filtered out higher and higher frequencies as sound traveled up the ...
0
votes
0answers
7 views

Is there a place or tool from which I can find or generate genome data for epistasis detection?

I am busy researching a school project for my honors in Electrical Engineering. The project is to create a deep neural network to detect epistasis. I have very little knowledge in the bioinformatics ...
-1
votes
0answers
10 views

which of these 'similar behavioural/mating pattern' or 'anatomical similarity' can be the criteria to group animals together? [on hold]

I think it should be anatomical similarity but the exact opposite answer was given in the book.
-3
votes
0answers
13 views
0
votes
0answers
22 views

Can you identify this plant from the flower?

The picture was taken today in the Netherlands. Can you identify the plant species?
0
votes
0answers
29 views

“CO2 is plant food” - What is the actual effect of increased CO2 on plant growth?

A frequent talking point by global warming deniers is that CO2 in the atmosphere is actually beneficial because "CO2 is plant food". I'm a non biologist trying to figure out under what circumstances ...
-5
votes
1answer
44 views

Why do people find anal sex pleasurable?

First of all, anus is not a genital part like vagina and therefore pleasure due to anal sex should not have any fitness advantage. I wish to know why many people find anal sex pleasurable when it ...
0
votes
1answer
18 views

R/Bioconductor query for a gene?

I'm fairly new to bioinformatics, so please be gentle ;0 Is there a way to query a particular gene using a script in R/Bioconductor? I'm particularly interested in Gene Ontology terms. There are ...
0
votes
0answers
13 views

Sensory Overload [on hold]

I was playing with the new oculus vr a few days ago, I was wondering will there be a time when the visual cortex is completely overloaded trying to process say a section of a game due to the massive ...
-1
votes
0answers
14 views

Question about replication origin [on hold]

I read in several lessons that given the problem of finding the origin of Replication, biologists can plan an experiment to locate it. Eg: Deleting various short segments from the genome and ...
1
vote
0answers
9 views

Is there a quantifiable amount of time by which neuroplasticity accelerates learning rate? [on hold]

Specifically, are there any studies that compare, to use a hypothetical example, the amount of time it takes an adolescent to exhibit mastery of a concept as compared to an adult, thus determining the ...
0
votes
1answer
13 views

What is the rate of mRNA decay in saccharomyces cerevisiae?

I am just looking for a number whether that is a mean or an estimate. I am having trouble finding this value on papers because the papers mention only the methods for calculating such a value. Is ...
2
votes
1answer
45 views

Are thunder and lightning necessary for any organisms?

Comparatively irregular events such as forest fires are necessary for some plants to grow (see here). But do any plant or animal species have similar dependence on thunder and/or lightning?
0
votes
0answers
25 views

Can our body cells have problems with let through too big clusters of watermolecules? [on hold]

As a commercial product there is Kangen water introduced which is a water ionizer (also known as a alkaline ionizer). One of the reasons it should be healthy is that in contrary of tapwater, where the ...
-2
votes
0answers
16 views

Where does P. gingivalis come from?

This is a bacterium that is associated with periodontitis - inflammation of the gums that can lead to tooth loss. I asked my PI this question. He didn't get it. He said well, it's communicable ...
0
votes
1answer
16 views

Does A/T, G/C pairing exist in haploid?

I'm trying to understanding base pairing. So every linear chromosome is a double stranded double helix. Is this double stranded property the same as saying an organism is diploid? Or do the ...
1
vote
1answer
56 views

Why didn't Mendel ever see the recombination?

I saw a video on youtube of a professor saying it's because of the quantity of peas. So Mendel would never have published his work if by any chance he had found a pea with recombination. Someone can ...
0
votes
0answers
12 views

Making tea out of grape leaves -when to pick the leaves? [migrated]

I have a question for you regarding make tea out of grape leaves. I want to make some, but don't know when the best time to pick the leaves it. I know it's made in Greece and the USA, too, but not in ...
0
votes
0answers
21 views

The drawing of genetic crosses

I'm preparing myself for the GRE. The quantitative stuff has all been going well. I'm aiming for a geology grad scheme. In the event of having to take subject specific tests, I'm teaching myself a few ...
1
vote
0answers
18 views

Looking for dataset of proteotypic and non-proteotypic peptide

I doing experimentation for peptide prediction using machine learning. I need some data for testing. My background is Computer Science. Any advice how to find proteotypic and non-proteotypic peptides....
0
votes
0answers
24 views

Why haven't modern grass based crops overrun wild grasses?

Modern grass based crops are significantly superior to wild grasses, they grow faster, are stronger stemmed, have larger leaves and higher seed yields in terms of individual seed size, giving ...
0
votes
0answers
6 views

Effector protein emission rate in host by pathogen

Is emission of effector protein a one-time process in the host, or does it emit effector multiple times in the same host? If effector proteins are emitted multiple times by the pathogen into the host, ...
0
votes
0answers
10 views

Rate of production of proteins in gram negative pathogenic bacteria

What is the rate of production of effector proteins in the gram-negative pathogenic bacteria, if any? The translocation unit that is present during secretion of effectors in the secretion system that ...
1
vote
1answer
35 views

Human Demography - Where can I find this statistic?

In "An Introduction to Genetics" by David J. Merrell, copyright 1975 by W.W. Norton + Co., p. 742, in the Chapter "Genetic Counseling and Eugenics," the author states: "... 50% of the women produce 85%...
0
votes
1answer
14 views

Common Errors For Low R Value in Bradford Assay

I've recently started doing Bradford Assays for my samples and my standard curve has been non-linear and I have been getting low R values (.90-.95). I initially thought the error was in pipetting, ...
0
votes
0answers
4 views

Are there any databases for melanoma gene expression data?

I have a training dataset from TCGA to perform survival analysis, but I would like to find another dataset for testing and validation. Do you know of any datasets that have patients, their time until ...
-3
votes
0answers
28 views

How does Jyoti Amge defy aging? [on hold]

She's over 18 and yet she looks almost exactly like a small version of a normal little kid. How does she have such an undistorted slown down aging unlike Nicky Freeman described at https://au.news....
-2
votes
0answers
38 views

Why does mitochondria have their own DNA? [on hold]

Mitochondria are the powerhouses of your cells; they are where the processes of respiration and energy production occur, so they are imperative to our survival. I cannot figure out why they have ...
0
votes
0answers
21 views

Zika Acquired Immunity

A woman is bitten by a mosquito carrying the Zika virus and then develops symptoms. Her symptoms disappear after a given amount of time and she becomes effectively immune to reinfection (assuming she ...
1
vote
0answers
11 views

Do blurry images cause eye strain? At what point is an image so blurry the eye stops trying to focus it?

I'm a user experience designer concerned about a new trend of blurring screens when showing a lightbox/dialog box over top (see below). From what I know, blurry images cause the brain to work hard ...
1
vote
1answer
35 views

why are malarial parasites specific for anopheles [on hold]

why are malarial parasites specific for anopheles mosquito. why do they need only anopheles, they just need lower temperature to complete their life cycle. all mosquitoes are cold blooded, so they can ...
4
votes
1answer
47 views

How long would it take for a change to the DNA would take effect?

I am not a Biology Student (sorry guys!) but I have thought about this question for a while and hope that maybe one of you can answer it. Lets say that I had my DNA changed so that I wouldn't be ...
1
vote
0answers
9 views

Relation between biomass and radius of roots system

Is there a known relation between the mass of a plant to the size of its roots? For example, can I take the root size to be proportional to the biomass of the plant like in this relation: $$R = R_0 (...
0
votes
1answer
11 views

How can an individual have A- and B- antibodies and no A- and B-antigens? [duplicate]

Why, or how, can someone of the "O Blood group" have A- and B-antibodies without having A- and B-antigens? This doesn't make sense to me, as an antigen is required to trigger antibody production?
0
votes
0answers
21 views

Write a short note on chemiosmotic theory [on hold]

I request the answerer to write a note based on the points discussed below (for Minor level). I couldn't find any website or book stating the chemiosmotic theory. So I request the answerer to provide ...
0
votes
0answers
25 views

No Bands From PCR

I am using gene specific markers for polymorphism. I have been running PCR at different annealing temperatures ranging from 50-55°C according to primers Tm. But I am continously failing to get any ...
0
votes
1answer
17 views

What's the highest temperature that algae can survive at?

I know there are a lot of different species of algae and that each one has different environmental tolerances. I've seen data on different species: brown alga Sargassum echinocarpum J. Agardh - ...
1
vote
0answers
23 views

How to specify a promoter in de novo gene synthesis service?

I am trying to use a de novo gene synthesis service (Genscript) and one part confuses me: Where do I pick the choice of promoter? Or is the promoter choice automatic based on my plasmid choice? e.g....
0
votes
1answer
28 views

Comparative effectiveness of antibiotics against colonies and growing bacteria

Appropriate antibiotics usually eliminate bacteria. However are the same antibiotics as effective against bacteria that have grown to form a colony?
-1
votes
0answers
14 views

RNA-seq: Controlling FDR in multiple contrasts [migrated]

I'm working on a RNA-seq analysis project and I have come across a statistics problem. I have 3 groups and I need to look for differential expression for each pairwise comparison. Do I control the ...
-1
votes
0answers
7 views

Testing for Endospores Using Heat Method [on hold]

I am trying to test if a new bacillus isolate is in an endospore state. I know there is a staining method of testing this. However, my professor requests I use a "heat method". The idea is that if you ...
-2
votes
0answers
11 views

How does the brain develop different parts? [on hold]

The mammalian brain contains many parts which perform specialized functions. However, the actual mechanical makeup (neurons) are mostly homogenous throughout the brain. After a brain achieves ...
-1
votes
0answers
18 views

Flora of Camelot [on hold]

In the musical "Camelot", Lerner and Loewe describe the idyllic weather of that mythic land in part this way The rain may never fall till after sundown ... By nine p.m. the moonlight ...
3
votes
1answer
214 views

What do the letters 'p' and 'c' mean in mutation descriptions?

Example: NM_000525.3(KCNJ11):c. 67A>G ( p. Lys23Glu) AND Permanent neonatal diabetes mellitus Does "p" stand for "polymorphism"? What does the letter "c" stand for?
1
vote
0answers
32 views

Can a firefly control its glow?

I've just seen this animation: I always thought the firefly glow is ongoing slow chemical reaction, like in glowsticks though through different chemicals. As such it seems impossible to control ...
-1
votes
1answer
31 views

How to double check plasmid detected by PacBio? [on hold]

We detected a 50 kb sequence of plasmid apart from the chromosomal sequence by whole genome sequencing. We are interested in wet lab validation of this plasmid for publishing. Even though wet lab ...

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