Questions tagged [biochemistry]

For questions regarding the chemistry of living organisms.

Filter by
Sorted by
Tagged with
2
votes
1answer
89 views

What are some biological non-Newtonian fluids that can be used as shock absorbers?

A non-Newtonian fluid is a fluid that does not follow Newton's law of viscosity, i.e., constant viscosity independent of stress. In non-Newtonian fluids, viscosity can change when under force to ...
2
votes
3answers
652 views

A reality check on blood viscosity decreasing under high temperature

Is blood that decreases in viscosity as it increases in temperature plausible? It's supposed to be a biomodification that decreases the amount of energy the heart needs to put in during strenuous ...
2
votes
0answers
49 views

Ammonia-based Nitrogenic Photosynthesis

How would photosynthesis work if it used ammonia as a solvent and was nitrogenic as opposed to water-based oxygenic photosynthesis? Ammonia is a basic solution so it might need some other kind of ...
2
votes
1answer
83 views

What are some substances that paralyze voluntary muscles in the human body but not involuntary ones, and do not cause any harmful side effects?

The title says it all. I'm not looking for things like curare, where it shuts down the lungs - I need something that basically turns people into ragdolls but otherwise leaves them unharmed. If such a ...
3
votes
2answers
40 views

How much energy would a hypothetical organism require to regenerate mild to semi-moderate trauma via pluripotent stem cells?

So, we have this heavily-altered human that can regenerate from stem cells. Let's say that they suffer a "flesh wound" - in this case, let's say an ugly stab wound through the hand with a ...
2
votes
3answers
125 views

Fungus-based alcohols, how do I booze?

So obviously anything with sugars will ferment if left out, and since mushrooms metabolize stuff, I'm assuming they create and store sugars, even if at very low concentrations. What are the ...
0
votes
0answers
85 views

Formamide Planet [closed]

How would life on a planet with formamide as its only biosolvent be different from water-based life? I'm having a difficult time seeing what kind of nucleic acid and proteins might form in order to ...
4
votes
3answers
193 views

Can my plant produce hormones that cause ultra-violent behavior?

A human without hormones or pheromones could be compared to something more like a plant, tool, or simply a reactionless amalgamation of cells without purpose, fears, and emotions. Such a person wouldn'...
1
vote
1answer
90 views

Plausibility of plastic bones

So, how possible are plastic bones? Take clorox by Stephen L. Gullet for example, organisms use chlorine as a defense mechanism, which eventually accumulated in the atmosphere (1%),which caused plants ...
8
votes
2answers
126 views

How would I make an arsenic laden spore deadly?

The creatures on this world tend to favour arsenic as a replacement for phosphorous in their biology. There's an overabundance of it in the ground soil, and very little phosphorus. The equivalent of ...
5
votes
3answers
169 views

How, if at all, could one tell that abiogenesis happened several times on a planet?

I'm wondering if life could arise again on a world which already has a fully developed biosphere and be successful. Ignoring how life does arise, in the first place and again (black smokers, clay ...
5
votes
2answers
194 views

Alternative to hydroxyapatite in alien organisms

A bit of a further expansion of my last question. I am looking for alternatives to regular bone of earth (hydroxyapatite) because my superearth would have about 50% more gravity than that of earth. ...
24
votes
20answers
7k views

How can a movie drive anyone who watches it insane?

I have an idea about an alien that conquers the world by assuming human form and releasing a film that drives whoever watches it insane. The masses that see it go on to destroy civilization in a ...
0
votes
1answer
44 views

Could an animal suffer drastic mutations through chemical compounds and the likes and make them more dangerous or aggressive? [duplicate]

I need to add danger to my world since its a post apocalyptic sort-of scenario where animals were left to their own devices after humans went extinct because of war. Humans resurface after 1000 years. ...
3
votes
1answer
128 views

Impact of sulfur dioxide on biochemistry

Curious artist, not a chemist, kinda dumb boi looking for some kind galaxy brains here. Okay. So. I have this planet. Its atmospheric composition is fairly earthlike: 21.6% O2, 77% N2, 0.2% CO2, 0.4% ...
6
votes
2answers
131 views

Can any monosaccharide be used as a XNA backbone?

I'm not a chemist—I'm an artist and I occasionally write. But I'm starting to get more and more interested in xeno/speculative biology. When it comes to these things I'm pretty much just looking at ...
2
votes
8answers
677 views

What ingredient is required to make a salve that can rapidly heal wounds in around 5 minutes?

In medieval times, instead of using potions to heal wounds, they use a healing salve that can rapidly heal open wounds of all types in, let's say, 5 minutes. (Not really severe ones or closed wounds ...
1
vote
1answer
67 views

Would it be possible to make a material synthesizer with a controlled biome?

So, the idea is simple: To use the natural processes of nature to recycle, produce or synthesise materials that otherwise would need a complicated industry to be made. I ask that because there is a ...
3
votes
2answers
124 views

How to bring a person out of a coma, mushrooms?

How to bring a person out of a coma when doctors can't cope? The man was dead for 2 hours. I was lying in the swamp water. He was taken to the hospital. The superhero, a biotechnologist, has healed ...
6
votes
2answers
96 views

Energetics in a reducing atmosphere

I am working on a speculative evolution project, which takes place in a reducing atmosphere consisting mainly of methane, nitrogen gas, hydrogen gas and carbon dioxide, along with liquid ammonia as ...
3
votes
0answers
29 views

What are some viable chemicals that can replace melanin? [duplicate]

I am looking for a way to make humans to have blue, green, and other skin colors, if chemically possible. I need chemicals that can replace eumelanin (Brown/Dark skin color) and pheomelanin (Pinkish/...
12
votes
4answers
2k views

How could the blood be improved so that it can carry more oxygen?

I'm writing a story about scientifically plausible superhumans ( a new genetically enhanced human species that is mentally and physically superior to ordinary humans ), and one of their main features ...
5
votes
1answer
105 views

What kinds of creatures would likely evolve in this enviroment

In my verse there is one planet which is very warm and typically dry, deserts of black sands or large stone plateaus, outside of the area around rivers and on the lush sides of mountains. This also ...
4
votes
1answer
151 views

What would happen if all nitrogen in your body disappeared?

I'm working on a character able to manipulate nitrogen to his will, changing it's physical properties (like temperature, velocity and such) and making it bond to other atoms or molecules. Now, this ...
5
votes
1answer
118 views

Humanoid Species

I am developing a form of humanoid very closely related to humanity, and I am trying to see both what differences are possible, and what the explanation for various features are possible. For example, ...
0
votes
2answers
153 views

Is it possible to harvest energy from the electrical pulses of the human body?

I hadn't thought about the movie "Matrix" when I wrote this question. From the little I know, I know that humans produce electrical charges to contract muscles and also in other tasks (such ...
1
vote
0answers
82 views

Is it possible to extract energy from blood to power prosthesis?

I know this question is kinda weird, but there is a real problem with prosthesis and implants inside or outside of you, normally they need a source of energy. If you extract the energy from your own ...
5
votes
2answers
205 views

Biological Antifreeze In Blood

Okay, so I have a sapient alien species that has a carbon-based biochemistry, and is extremophilic, able to survive having their internal temperature lowered to as cold as 253 K. They are able to do ...
5
votes
2answers
182 views

Tungsten-based life using molten sodium chloride as solvent

My idea is to have organisms that use molten salt as their solvent in the chemistry of the creature. So what I was thinking to have the cells consist of tungsten polyoxometalates but my issue is the ...
2
votes
2answers
135 views

Reversible Petrification: What is going on on an atomic level? [closed]

So, I'll try to keep this short. the petrification spell turns people to stone... or gold... or some other material. For the purposes of this discussion, we'll say the caster can choose any solid ...
4
votes
2answers
125 views

How a living creature could develop a way to create high pressures inside its body?

For many creature design ideas with based on science inspiration, their biology requires a way to produce high pressions into their body with the aim of pressurizing gases or containing some other ...
6
votes
3answers
143 views

How a living creature could produce “bio” aerogel?

In base to my question about How could a dragon develop blue fire breath?, one of the most interesting solutions is that the dragon could be able to produce aerogel for resist its own fire, so why not?...
6
votes
6answers
285 views

How could a dragon develop blue fire breath?

Is currently hard to find a way in which classic dragons could develop and use the fire-breathing, so find a way in which this could happen for blue fire of complete combustion is even harder. Read ...
7
votes
2answers
133 views

How to avoid respiratory and circulatory problems in a firebreather or flaming creature?

There are already questions like this (creature which set itself on fire for defense) and this (creature with flaming collar), asking about flaming creatures or creatures which ignite their bodies ...
6
votes
2answers
138 views

A skunk that makes you sleep

I am trying to develop an herbivore/rodent which, for the lack of better naming, I have temporarily named "sleepy skunk". The main feature of this animal is that, whenever it feels ...
2
votes
3answers
279 views

Alien vixen on the hunt for sperm donor rewards

Sorry for the slightly X-rated question, I have an alien vixen, like a bounty hunter but her game is those rarest genomes for the sperm donation clinic, she can lure her males but the issue is about ...
8
votes
2answers
222 views

Could adding more phosphate groups to high energy molecules such as ATP meaningfully increase the amount of energy they carry? [closed]

I'm determining some of the biochemistry for some artificial organisms created for various commercial tasks, from industrial to military use. I'm trying to figure out if augmenting the energy ...
3
votes
2answers
346 views

Could you theoretically make a Human-like/Human-descended species breathe chlorine instead of oxygen?

What would be the major problems/issues from switching a Human lifeform from O2-based respiration to a Chlorine one? Would said lifeform require not only adaptations to the respiratory system, but ...
1
vote
2answers
98 views

Superpowers from a Blood Transfusion

Okay, in a lot of pop culture, blood transfusions can give you superpowers. In Metroid, Samus Aran was given Chozo blood to enhance her strength so that she can survive Zebes' gravity. Zebes having a ...
10
votes
8answers
518 views

What is the most powerful, plausible breath a dragon could have?

I am working on a dragon project, and have solved how my dragon makes each breath, but I would like to know the most powerful possible breath, and how the dragon might make it, (fire breath, ice/cold ...
2
votes
3answers
102 views

Warhammer homonculi grow edged weapons out of their own bodies. What should those be made out of?

As I mentioned before, dragons would be too goofy, werewolves are closer to oversized dogs, while lizardfolk are now finally part of the standard fantasy races. These creatures are more cool than ...
1
vote
1answer
59 views

How could hydrogen in a vacuum be removed/extracted?

What reactions or process could remove hydrogen from the vacuum without compromising it, then from there a way that animals could do it, the vacuum is in a rigid space, but hydrogen still seeps ...
4
votes
1answer
204 views

how could a creature have a vacuum chamber inside its body

i want to know how an animal could have a vacuum inside itself (in an organ), survive, and also for it to be stable, what materials could be used to contain it, and how could it be implemented without ...
16
votes
1answer
928 views

What problems will a person with purple blood (hemerithrin instead of hemoglobin) have?

Hemerythrin is an oligomeric iron-containing protein of the metalloprotein class found in the blood of some invertebrates. Able to reversibly bind with oxygen, ensuring its transfer to tissues. ...
3
votes
2answers
112 views

Photosynthetic life using gamma radiation

Okay, so I have a planet that gets from its star a solar flux of 1360 W/m^2. The catch? As the star is powered by matter-antimatter reactions, it's predominantly, if not entirely, gamma rays. There is ...
0
votes
1answer
83 views

How do you show and not tell alien biochemistry? [closed]

Let's say you were thinking of making a docufiction about alien life and you wanted to do a segment or two about alien life with radically different biochemistry, such as being based on silicon ...
0
votes
0answers
66 views

Changing the biochemical structure of a living thing

Kaitlyn, protagonist of my series “The Vault”, has a very interesting ability, among her vast set of abilities. She can change her biochemical structure to survive Antarctic cold and volcanic heat, ...
6
votes
2answers
358 views

Would it be possible for a self healing castle to work/function with the “healing” bacteria used in concrete roads?

This idea is mainly based around the self-healing concrete idea that has appeared in the past and scientific posts have been made about the self healing concrete using bacteria to self heal cracks. ...
5
votes
2answers
210 views

Can silver affect blood or bone color?

A race I’m developing has grey skin due to silver buildup similar to Argyria. I was wondering if Argyria affects the blood or bone color.
3
votes
1answer
240 views

Modifying muscles to be more bullet resistant without affecting strength?

So, if we were to treat realistic creature design like making a pokémon card, one of the obvious "types" would be volant (flight-capable) creatures, and their biggest downside would be the ...

1
2 3 4 5
7