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Jun
28
comment Which of the cell types commonly found in mammals has the greatest number of mitochondria?
That's fine, just paste the URL as is and someone can edit it for you. Your answer makes a lot of sense, and I agree that it is very likely going to be muscle cells, but neither of your references support it. They just explain what mitochondria are. I would particularly like to see a reference supporting your claim about photoreceptor cells, that's an interesting point. I can't accept this since you're just giving numbers with no references.
Jun
28
revised Which of the cell types commonly found in mammals has the greatest number of mitochondria?
The body is not an army :) http://dictionary.reference.com/browse/mobilize
Jun
26
revised What is meant in biology by the term “evolved”?
added 1 character in body
Jun
26
awarded  Necromancer
Jun
26
awarded  Notable Question
Jun
24
revised Is there an advantage to antibacterial soap?
Made the images smaller
Jun
21
revised Any examples of an organism's life cycle where the reproductive stage occur before the 'adult' stage?
Minor grammatical corrections
Jun
20
revised List of non-native terrestrial molluscs in California?
edited body; edited title
Jun
19
revised What is this droplet of liquid that comes out of a mosquito?
deleted 38 characters in body
Jun
18
comment Normal death experience
That is a very different question. It asks whether a specific cause of death is painful, citing a scientific paper that claims it is not. You are asking whether we can say that in general, death is preceded by suffering. That is really not a good question for the site as it has nothing to do with biology. There are several hundred thousand ways to die. Obviously some will be painful and some will not. I don't see what we can add to that.
Jun
18
comment Normal death experience
I'm voting to close this question as off-topic because it about philosophical musings on death and not biology.
Jun
17
revised What is this beetle and what are the strange antennae for?
added 1 character in body
Jun
17
comment Can all animals of the same species crossbreed?
Whether dogs (Canis familliaris or Canis lupus familliaris) and wolves (Canis lupus) are the same species is debatable. I believe the modern consensus tends towards considering them different subspecies of the same species but as far as I know, the details are not entirely clear. Remember that the line between species is blurry at best.
Jun
16
awarded  Constituent
Jun
16
comment What is the mass of a pigeon tail feather?
@ChrisH I think (no idea really) that pigeon feathers, being relatively large (I'm thinking of entire plumes here, not tiny fluffy ones) would orient themselves pointy end down because of the extra weight of the plume. I may well be wrong though.
Jun
15
comment What is the mass of a pigeon tail feather?
@JanDvorak yes, but we only care about the orientation after it hits the atmosphere. Obviously, there will be no drag coefficient in vacuum. I am guessing that as soon as it hits the atmosphere, the drag will orient it thusly.
Jun
15
comment What is the mass of a pigeon tail feather?
Heh, nothing like the old fashioned empirical approach. I would expect the feather to orient itself with the pointy bit downwards though, it should be relatively standard.
Jun
15
comment What is the mass of a pigeon tail feather?
An African or European pigeon?
Jun
14
comment Consequence of Plants as Incomplete Protein Source
@Roland I admit I'm biased since I did my PhD on selenoproteins but it's not that rare. There are 22-25 proteins (depending on how you count them) in the human genome and some animals have many more. They are also essential, those animals that have them can't really survive without them. But yes, I know I'm being pedantic, it's just that it's my field and everyone forgets about poor Sec :)
Jun
14
comment Consequence of Plants as Incomplete Protein Source
I changed the 20 to 21 amino acids since most species also code for selenocysteine.