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Questions tagged [growth]

In reference to a biological system over time, growth refers to the increase in physical size/mass as well as the progression through its life cycle.

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6 votes
1 answer
267 views

Is this some sort of fungus?

There is something strange growing straight out of the glass windows at work. They look like hairs, about half an inch long, and each have a white spot on the tip of them, slightly weighing them down. ...
Jerry Dodge's user avatar
4 votes
3 answers
329 views

What is the mechanism through which fractals arise in plants and animals?

Many biological organisms -- such as trees, broccoli, and the blood vessels in animals -- can be approximately described using fractals. What is the reason behind such fractals? Specifically, do we ...
J Li's user avatar
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4 votes
1 answer
415 views

Why are cancer rates low in large animals?

Large animals generally have more cells and live longer than smaller animals. For example, bowhead whales live up to 200 years and weigh up to 100 tonnes, as opposed to humans (living ~71 years and ...
Aleksey Belikov's user avatar
25 votes
1 answer
7k views

Do insects' muscles become stronger with exercise?

I am curious to know if insect muscles become stronger with exercise, because I have seen many insects get tired out, but I have never seen one get stronger. They always seem to become permanently ...
J. Musser's user avatar
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16 votes
1 answer
1k views

Are the bacteria in the stomachs of unborn babies beneficial?

Babies are born with bacteria in their stomachs. I heard on The radio that when a child is given antibiotics for the first time unique bacteria in the stomach are destroyed and cannot be replaced. Is ...
Muze's user avatar
  • 1
12 votes
2 answers
513 views

Is there a favoured mathematical model of bacterial growth?

One of the most regularly measured phenotypes in bacterial synthetic biology is growth. Anyone who does wet lab microbiology or synthetic biology will have performed a growth curve measurement. ...
ajhfedorec's user avatar
5 votes
1 answer
272 views

Scale up of Bacterial growth from 250mL to 1-5L?

I am currently growing up a specific strain of E.Coli with a knockout in 40mL of growth medium (LB) in a 250mL shaker flask... My ultimate goal is to scale up this process to a 1-5L large scale setup ...
Immunological's user avatar
5 votes
1 answer
463 views

Can we artificially increase human growth using HGH?

Robert Pershing Wadlow was a man who lived in the first half of the twentieth century. He had hyperplasia of his pituitary gland, which caused him over-produce human growth hormone (HGH), and as a ...
Cat's user avatar
  • 309
4 votes
1 answer
273 views

Mechanisms of bone growth

The length of a bone is caused by growth of hyaline cartilage which is then replaced by bone tissue. How do cells know whether they should grow the hyaline cartilage? What are the key molecules that ...
Sulawesi's user avatar
  • 273
4 votes
2 answers
480 views

Modeling population growth - Variance

I've been studing population growth models, but there's something I can not find that's fustrating. That's a formula for the variance in population growth. I know that other models can be aplied, but ...
Diogo Santos's user avatar
2 votes
1 answer
1k views

Pituitary giants - is the fusing of growth plates dependent on amount of growth hormone in blood?

I wanted to ask a couple questions related to pituitary giants (people who are giants because of some anomaly, such as a tumor, in their pituitary gland). Some of these giants seem to keep growing ...
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