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Oct
18
comment Why does high-voltage mostly shock a person, and even small current kill?
I come in touch with several kV every day (static electricity).
Oct
18
comment What is the difference between orthologs, paralogs and homologs?
Very nice article, +1
Oct
18
revised What is the difference between orthologs, paralogs and homologs?
added 172 characters in body
Oct
18
answered What is the difference between orthologs, paralogs and homologs?
Oct
18
revised Why does high-voltage mostly shock a person, and even small current kill?
added 276 characters in body
Oct
18
revised Why does high-voltage mostly shock a person, and even small current kill?
added 276 characters in body
Oct
18
revised Why does high-voltage mostly shock a person, and even small current kill?
added 437 characters in body
Oct
18
comment Why does high-voltage mostly shock a person, and even small current kill?
110V 10+ amps would have killed you on the spot. However, the point is that these 10 amps are nominal, the most current that can be provided without blowing a fuse. The real current is given by the resistance and voltage. Also, the physics is such: given that your resistance remains constant, you do not have the alternative "high volts, low amps vs low volts, high amps".
Oct
18
answered Why does high-voltage mostly shock a person, and even small current kill?
Oct
17
comment Genetic engineering for insulin production
@Bitwise: but you are right -- they don't have a spliceosome, but self-splicing is also a splicing mechanism.
Oct
17
revised Genetic engineering for insulin production
added 618 characters in body
Oct
17
comment Genetic engineering for insulin production
@leonardo: again, strictly speaking bacteria do have posttranslational modifications of proteins including glycosylation.
Oct
17
comment Genetic engineering for insulin production
@Bitwise: that is not true -- there are bacterial introns and bacteria have splicing -- but yes, the mechanism is different, so it would not work in a straightforward manner.
Oct
16
revised Genetic engineering for insulin production
added 506 characters in body
Oct
16
answered Genetic engineering for insulin production
Oct
15
awarded  Editor
Oct
15
comment What were the mammal ancestors like 65 million years ago?
Yes, my bad. Corrected.
Oct
15
revised What were the mammal ancestors like 65 million years ago?
edited body
Oct
15
answered What were the mammal ancestors like 65 million years ago?
Oct
1
answered If the brain has no pain receptors, how come you can get a headache?