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Sep
3
revised Has it been confirmed yet that the DNA found in dinosaurs was really DNA?
edited title
Sep
3
comment Does chromosomal crossover result in a mutation?
I disagree with this answer. Have a look at the Wikipedia pages for mutation and recombination. Crossing-over may create new combinations of existing alleles/SNPs but it does not create any new ones. Even if there is a piece of sophistry which can be devised to defend this answer it is neither helpful nor useful to lump these two together as one.
Sep
3
comment What is this fuzzy, black fungus that grew on my plates in the 4⁰C room?
Aspergillus niger?
Sep
2
revised Localization of B and T cell
added 25 characters in body
Sep
2
revised What is the expected effect of pH on the activity of a fungal pectinase?
added 38 characters in body; edited title
Sep
2
revised Species identification, tree from Ecuador
edited body; edited title
Sep
2
comment Localization of B and T cell
What is the source of the statement? Is this really an exact quotation?
Sep
2
comment What is the expected effect of pH on the activity of a fungal pectinase?
Could you also give more details of methodology and controls - pectin can be hydrolysed non-enzymatically at low and high pH.
Sep
1
revised Are retroviruses cytotoxic?
minor typos
Aug
30
revised Modelling how much cadmium a cell will be able to chelate with phytochelatins
edited body
Aug
30
revised Why are human children more likely to get lice (nits) than adults?
edited body
Aug
30
revised Is it essential to add cholesterol to agar or liquid culture for C. elegans?
added 4 characters in body; edited title
Aug
30
answered Is it essential to add cholesterol to agar or liquid culture for C. elegans?
Aug
30
revised Is there a specific word for bacterial death?
added 4 characters in body; edited title
Aug
30
revised Is there a specific word for bacterial death?
added 32 characters in body
Aug
30
revised Does isolation have any effect upon mouse behavior?
edited title
Aug
30
revised What is a membrane potential?
edited title
Aug
28
revised Pharmacokinetics: why do certain drugs follow zero-order kinetics?
edited title
Aug
27
awarded  Yearling
Aug
27
awarded  Nice Answer