Only supple cells may stretch Growth, through making more cells. Or through stretching the cells. Or maybe through something that is a bit in between, what makes it possible for the cells to get even bigger. Endoreplication: the multiplication of the DNA without a cell division following. You would expect that the more DNA copiesContinue reading “Only supple cells may stretch”
Tag Archives: Engels
Birth of a gene
Birth of a gene A gene, one that does something new, that has a different expression, often emerges from an old, already existing gene. Through duplication, through the shuffling of domains, through mutations. But not out of nothing. That what is often the believed. May be a mystery how genes emerged in the first place,Continue reading “Birth of a gene”
Getting it just right
Getting it just right Plants can’t change place when their environment changes. Whether it is warm or cold, wet or dry, all a plant can do is adapt. One of the things it adapts is the size of its flowers. German researchers found out that under warm conditions the flowers are smaller than under coldContinue reading “Getting it just right”
Old leaves first
Old leaves first Sometimes it rains a lot, or there is a flooding, and before you know it a plant is submerged. Not the end of the world, as long as it doesn’t last long. But when it does, then one by one the leaves of the plant will die. Starting with the oldest. DutchContinue reading “Old leaves first”