Questions tagged [biochemistry]

For questions regarding the chemistry of living organisms.

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2answers
132 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 ...
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0answers
61 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 ...
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2answers
176 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 ...
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2answers
150 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 ...
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2answers
128 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 ...
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2answers
113 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 ...
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3answers
125 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?...
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6answers
253 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 ...
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2answers
103 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 ...
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123 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 ...
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3answers
264 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 ...
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2answers
206 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 ...
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257 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 ...
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2answers
92 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 ...
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8answers
467 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 ...
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3answers
98 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 ...
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1answer
56 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 ...
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1answer
198 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 ...
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1answer
889 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. ...
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2answers
103 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 ...
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1answer
78 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 ...
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57 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, ...
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2answers
351 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. ...
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1answer
158 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.
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1answer
224 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 ...
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2answers
118 views

What needs to be changed in the structure of the human body in order not to get poisoned with raw Fugu fish?

The most poisonous fish in the world is the so-called puffer. Its liver and other parts of the body contain a substance called tetrodotoxin, which is capable of paralyzing the respiratory muscles of ...
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2answers
146 views

How should the human respiratory system be changed to be able, in addition to oxygen, to breathe chlorine or hydrogen sulfide?

According to the plot of my story, terraforming earth-like planets turned out to be an incredibly difficult task and exact copies of the Earth with an atmosphere of oxygen are rare, so it was decided ...
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1answer
166 views

Is it possible to determine the colour of a molecule?

Is there a way to determine the colour and appearance of a large biomolecule? If no one had seen chlorophyll, simply knew of its existence, would you, from its formula, be able to determine that it ...
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1answer
62 views

How to make ammonia-resistant organisms through their biochemistry?

Its a very simple question really, yet the answers are obviously complex (like everything in biochemistry) how do I allow my organisms to tolerate ammonia yet still be carbon based by altering their ...
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2answers
149 views

Where to begin when designing functioning alternative biochemistry for alien organisms in non-earthlike conditions?

I am building a habitable terrestrial 'super-earth' type planet. Ideally, my lifeforms should be primarily carbon-based and their biochemistry relatively similar to Terran biochemistry, but with ...
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0answers
129 views

What blood pigment type is immune to ammonia poisoning?

I am designing a world in which the biological solvent is an ammonia-water mixture and need help finding out which blood pigments (Hemoglobin, Hemocyanin etc.) would be immune to the negative effects ...
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2answers
152 views

Gardening in an Alien Biosphere

Take a world with the same physical characteristics as Earth, but where biochemical development has "rolled the dice" differently in some cases. The simple chemistry are the same compounds ...
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4answers
207 views

Are dead tissues easier to preserve for extended period of time compared to living organisms?

When I asked about food preservation for 2-3 centuries, some commenters insisted that if I have technologies to preserve living humans for that long I should have no problems preserving food (with ...
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2answers
105 views

Consequences of magic allowing biochemistry to happen at range

I have a mage who's trying to connect his "life force" to another person's in order to magically heal them. Mechanically, this happens by the mage allowing his patient's body's biomolecules ...
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2answers
266 views

A stronger replacement for calcium carbonate in super-strong scales?

So, the microstructure of abalone shells is 95% calcium carbonate, such as aragonite, tiles and 5% organic polymer that binds them together. This binding fails in a graceful manner, allowing the shell ...
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1answer
150 views

(Survival-Type Situation) How can I Craft a Powerful Sedative From Easy To Find/Gather Materials, Assuming No Meds in Clinics or Hospitals?

I have a character that finds himself in a decent-sized town that has already been ransacked, what can I use to craft sedatives that would be effective on both Zombies, (assuming their anatomy ...
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1answer
99 views

What drug could interfere with a chip hooked into your nervous system?

Say a character had a chip implanted within their brain (thank you to everyone who helped with that question) and wanted a drug to try and mess with the chip's ability to hook into their senses and ...
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2answers
130 views

obsidian/flint like substance of organic origin

Could a species that naturally produces an obsidian/flint like material exist ? Or to put it more accurately could an obsidian/flint like material that is purely of biological origin (and not the ...
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6answers
3k views

Organism that can produce water on its own (possibly from air?) not requiring a water source. Is it plausible and if how?

I have thought of a sort of desert planet that has a atmosphere pretty similar to earth and with gravity a little lower which has little to no water source and most of it is empty dry wastelands. I ...
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3answers
152 views

Modifying horses to be able to digest a broader variety of plant material. How?

"I defy anyone to tell me they have a pasture with zero poisonous plants," said Dr.J. "Then I reject your reality and substitute my own!" shouted Dr.[Redacted]. So, I wanted to ...
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11answers
3k views

What could substitute coffee in a modern post-apocalyptic society?

Context is the same as in a previous question. Summing up: a rebuilt, ultra-modern city state after an apocalypse where everything's produced in underground farms, and as such, certain commodities are ...
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3answers
822 views

Can organic life naturally produce a lightweight substance (relatively) impermeable to a lifting gas?

Apparently the Biology stack doesn't like theoreticals. :P I'm looking into the sci-fi trope of floating plants via some sort of equivalent of a kelp's pneumatocysts, and the biggest issue to ...
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2answers
216 views

Different human-survivable universes

If humans had the ability to physically travel to a universe similar to our own, how different could its fundamental constants be and still allow humans and other terran life to survive there long-...
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1answer
74 views

Can phosphates be replaced?

Phosphorus is central to all life on Earth, being a critical component of DNA, cell membranes, and metabolic systems (via ADP/ATP). However, it's not really all that common, especially compared to the ...
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7answers
2k views

With as much scientific accuracy as possible, how would chemicals injected in one's body be removed?

I am currently writing the world, setting and characters for a project of mine called the ORION Project - a story set in a dystopian America in the near future of 2050, where the government has taken ...
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2answers
133 views

Entropy, enthalpy, and energy through rapid mitosis

So I'm pretty new to chemistry and all this, but my world involves superpowers, which of course involves immense energy to have the characters use these powers. However, I want to stay consistent with ...
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3answers
140 views

Could an animal evolve iridescent horns that appear metallic like chrysina resplendens' chitinous exoskeletons?

Sort of two questions here, but very related. One about whether a mammal-like animal could evolve to have a chitinous endoskeleton, I guess. Then a question of whether, if they grow horns, that ...
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4answers
578 views

Would Chemosynthetic plants have any reason to grow tall?

I have a planet too far away from its sun for photosynthesis to work well, so the plants use chemosynthesis. But since they don't use sunlight, would they have any reason to grow above ground? Some ...
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1answer
80 views

Can mercury compounds be used in chemosynthesis?

While watching Biblaridion's Alien Biosphere series, an interesting point came up: in Biblaridion's fictional world, atmospheric hydrogen sulfide is used as an energy source for chemosynthetic ...
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2answers
350 views

Exploring a world with chiral biochemistry: chirality detection

Space explorers have landed on an Earth like planet and, to their surprise, the place is luscious and covered in life, to the point of resembling some earthly tropical atoll. What they don't know yet ...

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