Tag: "spells" at biology news
Gene variation increases SIDS risk in African Americans
...ion that babies sleeping on their bellies had more spells
of interrupted breathing or apnea. One of the immediate consequences of apnea is a slight increase in acid levels inside oxygen-hungry muscle cells. When the researchers compared cells with the Y1103 mutation against normal cells in a slightly more...
Weizmann Institute scientists discover a molecular security mechanism for keeping mutations in check
...nable to continue copying. A stoppage of this sort spells
death for the cell. But not all damage to DNA is critical and, to avoid the wholesale death of cells, a second type of DNA polymerase, one that is more "careless" and can improvise when it hits a snag, evolved in the cell. "Error-prone DNA repair," a...
Prenatal Stress Keeps Infants, Toddlers up at Night, Study Says
...w moms and dads for whom a soundly sleeping child spells
out well-deserved respite it may carry even more value for babies. For them, sleep ranks as one of the most highly regarded indexes of healthy development, and plays a critical role in consolidating memory and facilitating learning, regulating metab...