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location United States
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visits member for 2 years, 7 months
seen Jul 27 at 17:40

Aug
25
comment why is AUG the initiation codon?
DNA is a sea of nucleotides. How is a transcription enzyme going to know where to start transcribing?
Aug
22
answered Why does it hurt when you take sweets, if you have cavities in your teeth?
Aug
17
awarded  Organizer
Aug
17
revised Are human fetuses more likely to be male?
add tag sex-ratio
Aug
8
revised How can sex ratios remain Fisherian (1:1) in species where only the dominant male gets to mate
fix math
Aug
8
answered How can sex ratios remain Fisherian (1:1) in species where only the dominant male gets to mate
Jul
29
answered In theory, would it be possible to create an injection of Vitamins, Minerals, sugars etc so that eating was no longer necessary?
Jul
28
answered Why isn't a virus “alive”?
Jul
28
revised Why isn't a virus “alive”?
rmv tangental parenthetical comment, and many minor fixes.
Jul
28
suggested suggested edit on Why isn't a virus “alive”?
Jul
28
comment Why isn't a virus “alive”?
One correction: by the suggested definition, mitochondria are alive since they have ribosomes. (See, e.g., Properties of human mitochondrial ribosomes).
Jul
4
answered Mitochondrial DNA and recombination
Jun
19
answered Why do neurons have a negative resting potential?
Jun
17
comment Are human males and females more genetically different than members of other species?
Males and females have essentially identical genomes (differing only in the very small Y and mitochondrial chromosomes), so they essentially don't differ at all. This is true in other mammals too.
Jun
14
answered Is there any source for raw data of SNP genotype frequency?
May
31
comment Identify this waterfowl species?
I don't think there's seasonal plumage change going on here. The white patches seem to be driven snow. The bird on the left is plastered like the tree on the right.
May
21
answered How did the activities of protocells become inheritable?
May
11
answered Which X-Y chromosomes have the developmental genes for mammals?
Feb
19
answered How can the child and the mother have different blood types?
Feb
8
answered A question regarding evolution