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10
votes
2answers
735 views

Are fishes evolving?

As far as I know, Fishing has been one of the important occupation since early ages, and infinite number of fishes have already been captured. As the time passes, they must've developed some sort of ...
1
vote
0answers
25 views

How biological pathways are determined? [closed]

Biological pathways are described in complicated diagrams with many participants and stages. How are these pathways determined? In particular, is it mostly in vitro? If not, how are the stages and ...
0
votes
0answers
16 views

Organ secretions

If an animal secrets an enzyme from an organ that is entirely dedicated for the same secretion, can one or cannot one just use the gene coding for that protein to obtain the protein in vitro. How much ...
0
votes
1answer
53 views

Common genes and enzymes involved in pathogen entry into host

Many microbes like Salmonella, E.coli, Legionella pneumophila etc. enter host cells via cystoskeleton remodeling of the host cell. Do all microbes follow the same path or there are any other ways for ...
0
votes
0answers
25 views

Effect of cellular phone towers on human health

We live in world of mobiles, tablets, PCs and other electronic gadgets. We are continuously exposed to radio frequencies and other cellular frequencies. Generally these all waves are with very low ...
9
votes
2answers
2k views

How does life change when you dig deeper?

I've just realized that I have no idea what life / biotopes / soil looks like when you dig deeper than a few meters. I know that in the first meter of soil you can find all sorts of live animals ...
3
votes
1answer
148 views

Why do people in the scientific community use terminology such as renal, hepatic, cardiac instead of kidney, liver and heart? [closed]

Are there differences between renal, hepatic, cardiac and kidney, liver and heart? Is the "jargon" used more commonly because of tradition, or is there some definitive biological basis to it?
0
votes
2answers
25 views

Risk of autosomal dominant disorder [closed]

What can you conclude about the risk (with each pregnancy) that a couple could have a child affected with an autosomal dominant disorder if... One parent is affected (heterozygous) and the other ...
-2
votes
1answer
95 views

Blood Type/Punnett Square [closed]

Male: Blood type O (Genotype written as: i^o i^o since O allele is recessive to the A and B alleles). Female: Blood type AB Draw a punnett square to show all of the possible offspring. I got Ai^o, ...
6
votes
2answers
119 views

Can an organism process H₂O into H₂O₂?

In an answer to a recent question on Worldbuilding, I suggested that an organism convert $H_2O$ into $H_2O_2$. I suggested a few processes that yielded the desired final result ($2H_2O \rightarrow ...
7
votes
4answers
321 views

Books for biology,popular but rigorous? [closed]

There are very goods in physics and mathematics (like Feynman lectures for exemple) that give an elementry but but broad view of their,therefore I'd like for help to find help to find a biology book ...
0
votes
1answer
66 views

Resources for interesting facts about biology [closed]

Are there resources for interesting or fun facts about biology, for example: fastest animal/bird/insect largest organ in human body largest virus largest genome largest de novo synthesized genome ...
1
vote
0answers
24 views

Are sulfates or nitrates common ions in biochemistry (specifically of the body)?

It's a rather broad question but something I'm curious about. I know sulfates tend to be very soluble ions and so don't know nitrates. I also know that phosphates are extremely common in ...
9
votes
1answer
222 views

Doesn't osmosis violate the law of conservation of energy?

Osmosis seems very counter-intuitive to me. I will try to explain my doubt with the following thought experiment: Consider a huge container divided into two by a semi-permeable membrane. We add equal ...
4
votes
2answers
353 views

Effects of exercise on the brain

I am well aware of the phenomenon of neurogenesis induced by exercise, as well as the dopamine release that results from exercise. I am really interested in neuropsychology and the effects of exercise ...
10
votes
1answer
2k views

Is it possible for any animals today to have more than one brain?

Is it possible for any organisms in the animal kingdom to have more than one brain?
12
votes
10answers
1k views

A good book for history of biology/biotechnology for lay people

I have many friends who are interested in Biology and want to know more about the subject in general (like a history of biology, from Darwin's theory, to DNA structure discovery, to the human genome ...