Biology

Questions tagged [general-biology]

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0answers
18 views

Is the biomass decreasing?

Is the overall biomass decreasing over time, and if yes, has that trend started within the last say $200$ years (about when industrialization started)?
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1answer
24 views

Is there a word for the length of time an animal stays with parents before going off on their own?

Gestation is a word describing the pregnancy for animals, and you can use 'gestation period' to describe how long a pregnancy generally takes for a species. I'd like to know if there's a corollary ...
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1answer
47 views

Does the testicle's temperature increases with the body temperature during a high fever?

The testes is the male sexual organ. It is positioned outside the abdomen along with the scrotum. I would like to know if its temperature is independent from the body temperature due to its location.
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1answer
108 views

True definition of Biology [closed]

I just started biology and im pretty clueless on what it really means. So before you vote this question down, can you tell me what it really means. P.S. Is plate tectonics related to biology? or ...
9
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2answers
890 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 ...
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0answers
94 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 ...
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1answer
76 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 ...
11
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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 (...
8
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1answer
198 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?
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2answers
176 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 ...
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1answer
717 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, ...
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4answers
708 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 ...
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1answer
96 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 ...
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0answers
30 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
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1answer
407 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 ...
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2answers
546 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 ...
12
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1answer
3k 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?
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10answers
2k 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 ...