0
votes
0answers
31 views

Genus names unique?

I have read that binomial names are unique, and that species in different genera can have the same species epithet. Are genus epithets unique? That is, can two different families have genera with the ...
0
votes
0answers
11 views

History of species identification before 1930 [migrated]

I am trying to research how new species have been recorded over time, but specifically in the period before the 1930s. Where would an academic who had discovered a new species get their discovery ...
0
votes
0answers
21 views

How to feed bacteria out of lab

I want to take a sample of skin infection bacteria (I suppose combination of staphylococus, strep, etc) and give it to the doctor for analysis but the appointment is in two weeks. The bacteria will be ...
0
votes
1answer
19 views

What is a cognate enhancer sequence?

What is a cognate enhancer sequence? While reading a paper (1) presented at a journal class in graduate school, I encountered this sentence: HIF-1 binds to its cognate enhancer sequence, the ...
-1
votes
2answers
45 views

Evolution of the common honey bee's stinger

Has the common Honey Bee evolved a stinger designed for penetrating human skin so it will cause as much damage possible even if it means death? A honey bee can sting other insects and mammals more ...
0
votes
0answers
6 views

Comparative longitudinal data of smokers vs non-smoker - how and when do they die?

Is there any longitudinal comparative data tracking smokers and non-smokers showing how and when they die? Conversely, how many live to normal life-expectancy and are disease free?
1
vote
0answers
19 views

What type of Gorgonzola cheese fungus/bacteria is this?

I have purchased a gorgonzola cheese and it came with some orange/yellow fungus/bacteria in the cheese's surface. Anyone know what kind of fungus/bacteria it is, and if it's safe to eat?
0
votes
1answer
24 views

calculate elimination rate constant [duplicate]

A patient diagnosed with cancer takes antiproliferative drugs. Suppose the intake of drug(dose) is 250mg and excreted amount 125 mg. Amount of excreted drug as metabolites 1 and 2 are 75mg and 50mg. ...
0
votes
0answers
18 views

What does reference genome do in sequence alignment?

I've just started learning about sequence alignment, and I assumed it was used to compare DNA sequences between 2 different organisms. I was reading about a project in which they sequenced several ...
1
vote
1answer
65 views

When did death due to aging first appear? [duplicate]

As I understand it, single-celled organisms that reproduce via mitosis essentially live forever. When a cell divides, one cannot say that either one of the new cells "is" the parent and the other the ...
3
votes
0answers
28 views

Is there a law that defines an upper bound for the speed of growth of an organism?

I was wondering if there is some biological law (or chemical/physical law for that matter) that limits how fast an organism can grow. I know that the growth of a plant is often restricted by the ...
0
votes
0answers
19 views

What is the molecule responsible of the yellow color of the Agave americana?

Does anybody know what is the molecule responsible of the yellow color at the edges of this plant? I noticed also that the new forming yellow part at the begging stage is soft green until it is ...
3
votes
1answer
56 views

Can someone identify this bird? It looks like it has a few deformities

All pictures taken at Lake Roberta in Tampa, FL. All pictures depict the same bird. (The wing deformities can be explained by the lake water being slightly highly toxic, but the neck I can only ...
-1
votes
0answers
9 views

Are there programs (like computer programs) implemented in our brains, and if so, how?

You often hear that our brains are like computers (with hard discs, an operating system, etc.). But if so how are programs realised in our brains? For computers, it´s easy to show where they are ...
1
vote
1answer
45 views

Making a hole in a tree is okay? Or does it damages the tree?

I am watching a TV series named "Treehouse Masters." What they do is make houses on trees or around it getting physical support from a big strong tree, like this: But to make the support strong, ...
1
vote
1answer
29 views

Identify tropical flower

Can anyone identify this tropical flower? It was found on a vine(?) in a garden adjacent to a rainforest in tropical north east Australia, however it may not be indigenous.
0
votes
0answers
11 views

Do clients of cleaner fish queue up?

I can't remember if I saw it in a cartoon, a documentary, or both, but the notion is that the clients of cleaner fish wait in line to be cleaned. "Clients" means the fish (or other aquatic animals) ...
0
votes
0answers
23 views

How does the human stomach handle a mix of digested and undigested food?

As I understand it, the stomach digests the bolus into chyme and then passes the latter on to the small intestine. This process takes between 40 minutes and a few hours. But what happens when the ...
1
vote
1answer
30 views

Are there known functions of AST, ALT, and amylase in the blood?

A number of enzymes can be measured in the blood or plasma that aid in the diagnosis of certain diseases. For example, patients with particular liver diseases may have elevated aspartate ...
0
votes
1answer
31 views

Are any species of life now increasing besides humans? [closed]

I see how many species are growing extinct, but what species (excluding humans) are increasing in number?
0
votes
0answers
28 views

Questions about Genetic algorithm paper of Gilman and Ross

I want to reproduce an (old) biochemistry paper of Gilman and Ross, i.e. " Genetic algorithm selecetion of a regulatory structure that directs flux in a simple metabolic model." ( The following link ...
1
vote
1answer
16 views

Neuron activity on body parts measurable?

Is it possible to measure the neuron activity on body parts like the back or the arm? Or is this done already? Of course neuron activity can be measured on the scalp using an EEG. I wonder if similar ...
0
votes
0answers
8 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
18 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 ...
-3
votes
1answer
27 views
1
vote
1answer
39 views

Identify this plant from the Netherlands with big white flower

The picture was taken today in the Netherlands. Can you identify this plant species?
0
votes
0answers
43 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
63 views

Why do people find anal sex pleasurable? [closed]

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
2answers
38 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 ...
1
vote
0answers
13 views

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

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
14 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 ...
4
votes
1answer
80 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
1answer
17 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
62 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
24 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
28 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
12 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
38 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
16 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
7 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 ...
0
votes
0answers
25 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
15 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
36 views

why are malarial parasites specific for anopheles [closed]

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 ...
5
votes
1answer
80 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 ...
2
votes
1answer
19 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
0answers
13 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
1answer
23 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 - ...

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