It is presently unclear how L2-d cells are programmed to be pre-meiotic within anthers or how this identity is retained during the mitotic divisions prior to PMC maturation.
It's hard not to see MMI's suit against Microsoft as a reaction to the Android payment demands - MMI was one of the first companies into the Android space - but a court is presently determining how much Microsoft should pay.
It is presently unknown how these time-dependent effects of cortisol affect fear memory of delay and trace conditioning.
While it has been shown that diet selection by equids can be influenced by nutritional factors, it is presently unclear how diet choices by horses are modulated when animals are faced with a familiar-novel dichotomy.
It is presently unknown how this concentration gradient is maintained.
It is presently unclear how dietary energy intake affects gonadal gene regulation.
Thus, it is presently unclear how the process of serotonylation, as carried out by TG, is regulated.
It is presently unclear how heterochromatin and euchromatin are positioned within a given block of gamma satellite.
It is not presently obvious how these N-terminal phosphorylations could promote, or hypo-phosphorylation at these sites could restrict, β-catenin binding to α-catenin.
It is presently unclear how persistent alphavirus infections are maintained in the vector host, after strand synthesis terminates in the infected cells.
