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Single-celled

If an organism has one cell, they are single celled. Not to be confused with uni-cellular


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Hyperadrenergic POTS

... those with neuropathic POTS. A specific genetic abnormality has been identified in a kindred with hyperadrenergic POTS. These individuals have a single point mutation in the norepinephrine transporter (NET). The resultant inability to adequately clear norepinephrine produces a state of excessive ...

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by rmorrison
Wed Mar 19, 2014 5:38 pm
 
Forum: Human Biology
Topic: Hyperadrenergic POTS
Replies: 0
Views: 48

Microevolution verus Macroevolution

... of course, doesn't happen. What does happen, though, is speciation, and in fact there is a beautiful example of extinction and speciation in a single event, namely an extinction event in a ring species. If a selection of sub-species in the middle of the ring go extinct, by a bolide impact, ...

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by hackenslash
Thu Mar 06, 2014 8:57 am
 
Forum: Evolution
Topic: Microevolution verus Macroevolution
Replies: 15
Views: 17593

Re: are biological mushrooms with virus combinable?

The ovum can be considered as single-cell fungi. And sperm - as a virus. ....... In the human body arise other ovum-like cells. They can give rise to cancer, but to cause hermaphroditism if they meet with the "viruses".

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by enarees
Thu Mar 06, 2014 3:14 am
 
Forum: Microbiology
Topic: are biological mushrooms with virus combinable?
Replies: 5
Views: 305

Polymorphism and Mutation

Just about numbers. A mutation is a change to a single individual that may or may not be propagated. For example a single point mutation where a base is replaced or deleted from a strand of DNA. This may cause the individual some discomfort or problems ...

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by Babybel56
Wed Mar 05, 2014 3:39 am
 
Forum: Molecular Biology
Topic: Polymorphism and Mutation
Replies: 2
Views: 227

What makes dominant allele dominant?

... mutation in the promotor changing significantly expression. If the binding of ribosome will be impaired, there will be much less of protein made. Single point mutations can lead to differences in binding of miRNAs. On the protein level, there are several options, you can have premature STOP codon ...

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by JackBean
Thu Feb 27, 2014 5:20 pm
 
Forum: Genetics
Topic: What makes dominant allele dominant?
Replies: 5
Views: 1084
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