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Jul
6
awarded  Famous Question
Jul
6
asked Genetic linkage greater than 50 centimorgans
Jul
2
comment Beetle with long, slender iridescent green body and orange legs
@user137 For anyone wondering, the antenna were quite long - all of the blurry blackish line is antenna. Based on my recollections, if I pulled on them and straightened, they would be between 1.25 and 1.5 times the length of the beetle's body - consistent with your answer as well!
Jul
1
accepted Beetle with long, slender iridescent green body and orange legs
Jul
1
asked Beetle with long, slender iridescent green body and orange legs
Jun
13
answered Will the heart keep beating if it is separated from the body?
May
24
comment How sterile is sterile when working with nucleic acids to prevent contamination?
Re #1: Many people work with DNA without wearing gloves (including touching the plastic ware), and it rarely causes problems if your tips and the insides of your tubes are clean. Re #4: In many cases (cloning or synthetic biology), it is extremely unlikely that the contaminant would have the right primer annealing sequences to compete with your intended reaction. See for instance Colony PCR, a very "dirty" PCR full of "contaminants".
May
24
comment How sterile is sterile when working with nucleic acids to prevent contamination?
If in doubt, add controls.
May
24
revised How sterile is sterile when working with nucleic acids to prevent contamination?
edited tags
May
18
awarded  Revival
Mar
24
comment What percentage of a cell's volume is occupied by protein?
@MarchHo Pick whichever one you want.
Mar
24
asked What percentage of a cell's volume is occupied by protein?
Mar
22
awarded  Popular Question
Mar
12
awarded  Popular Question
Mar
5
awarded  Notable Question
Feb
27
awarded  Nice Question
Feb
26
comment What is this fuzzy, black fungus that grew on my plates in the 4⁰C room?
@WYSIWYG Actually Cladosporium sounds pretty good. I was planning to provide the additional details (eg. microscopy) but haven't gotten around to it yet.
Feb
23
awarded  Yearling
Jan
2
awarded  Inquisitive
Jan
1
comment Why didn't the polar bear change its color from white to black during evolution to absorb heat?
@Chris I think it does provide an answer by hypothesizing that because polar bears are white, they lose less heat due to radiation. However, this is probably not true: First of all polar bears lose heat by convection, not radiation, since they do not live in a vacuum. Second, if this was true you would expect the fur to be black and the skin to be white, since it is the skin that is warm and not the hairs.