Animals used, for both practical and ethical reasons, to study biological systems and draw conclusions about homologous processes in other organisms, especially humans.
Questions tagged [animal-models]
43 questions
8
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1 answer
“The rhesus macaque is pretty much the closest thing we have to humans” — why?
Vincent Munster (researcher at Oxford) states (in the context of testing vaccines for COVID-19):
The rhesus macaque is pretty much the closest thing we have to humans
I thought chimpanzees and bonobos were the two living species most closely…
user4932
5
votes
3 answers
Are Zebras white with black stripes, or black with white stripes?
I'm not sure it makes sense, but are zebras black or white below the surface?
Jan Paul Storen
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5
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1 answer
Which turtle species was on board the Iranian Space Agency launch in 2010?
They are seen briefly in this video:
https://www.youtube.com/watch?v=nZoNdf6hlII
The launch made international news, but there was no mention of the species.
Here's the entirety of Wikipedia's description of the launch:
On February 3, 2010, ISA…
Qubei
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4
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1 answer
Is it possible to establish a newer animal model completely based on Bioinformatics studies?
I wanted to know, if it is possible to prove a new organism as an animal model for any human disease by only Bioinformatics methods like NGS and Structural bioinformatics.
For Example, let's say Drosophila is an animal model for Disease X as it have…
Devashish Das
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4
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1 answer
Unknown animal - What could it be?
It's the first time I use this website and I really need help
because I'm totally stuck
Now I'm in school, but I'm trying to prepare for the Olympics
During the preparation, I found the issue on the anatomy of the animals, but it's something new for…
Flaky
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4
votes
1 answer
What is the difference between conditional and inducible activation?
In the modern genetically modified animal models, there are not only constitutive mutations which start producing proteins already in the embryo, but also mutations which can be turned on later. I've seen the terms "conditional activation" and…
Rumi P.
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4
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2 answers
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?
Devashish Das
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4
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1 answer
Animal models to study depression
Is there a non-invasive animal model to study the pathogenesis (i.e., the development of) depression?
Bruna C Paula
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3
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2 answers
Interesting examples of models
I am studying the general use of models in biology in terms of methodology, applications, usefulness etc, and I would really appreciate any recommendations of some specific examples of models from any area in biology. Some examples are the logistic…
Floyd
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3
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2 answers
Can predator-prey relationship be an example of negative feedback?
Predators eat their prey, prey population decreases. This results in the predator population to decrease, so less prey are consumed which causes the prey population to increase.
Therefore, if the reduction in prey population results in its increase…
Hari
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3
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How to give a biological interpretation to this phase portrait?
Consider the following system and analyze its behavior.
$$\begin{array}{rl} \frac{dA}{dt} &= A \left( 2-\frac{A}{5000}-\frac{L}{100} \right)\\ \frac{dL}{dt} &= L \left(-\frac{1}{2}+\frac{A}{10000} \right)\end{array}$$
The analysis
It has $3$…
user441848
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3
votes
2 answers
Do only large birds float?
So, I've noticed a pattern in water fowl (here meaning birds who can take off and land on water, who float in the intervening time) tend to be larger birds.
The smallest I know of are gulls.
Are there any smaller water fowl? Anything the size of a…
AJFaraday
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3
votes
1 answer
What is the purpose of narwals' tusks?
I've heard that narwals can grow their tusks up to 16 ft long. What do they need the tusk for? Hunting? Comunication?
user420733
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3
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DNA replacement: new species
This is a hypothetical question
What would happen if the DNA of a prokaryote was replaced with the one of a prokaryote of another species, would the cell structures change and adapt to the new DNA and would the cell survive?
(Would the result be…
Adelina
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3
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What is the difference between a DPY-10, DPY-11, and DPY-13?
My TA mentioned these three mutations of C. elegans since we started working with the worms but seems to skip over what the differences are...
frenchwhorne
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