Can independent origins be established for two families of transport systems having no sequence or motif similarities without three-dimensional structural data?
575Are all members of transporter families confined to a particular organelle or to the plasma membrane, or are some family members found throughout cellular compartments in eukaryotes?
566Did shuffling of protein constituents occur between systems for multicomponent transport systems such as the atp-binding-cassette or complex protein secretion systems?
630Did integral membrane transport proteins arise as an independent protein class or from other types of proteins?
526Did bacteria, archaea, and eukaryotes exchange transporter genes appreciably during the past two billion years?
636Post New Bio Informatics Questions
Draw the E-R diagram for the database of a departmental store having the following relational database scheme Employees(e-no, address) Department(d-name) work-n(e-no, d-name) Looking-after(d-name, e-no) Item (item-no, brand-name, model-no, cost-price, sale-price)
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Have the proteins of a family generally acquired distinctive properties within each of these three kingdoms for ancient families that arose before bacteria, archaea and eukaryotes diverged?
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Can independent origins be established for two families of transport systems having no sequence or motif similarities without three-dimensional structural data?
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