the most anterior portion of the frontal lobe of each of the brain's cerebral hemispheres. It acts in attention, planning, and memory and is separated into a dorsolateral region and an orbito-frontal region.PREFRONTAL CORTEX: The prefrontal cortex is commonly referred to as the frontal association area..he most anterior portion of the frontal lobe of each of the brain's cerebral hemispheres. It acts in attention, planning, and memory and is separated into a dorsolateral region and an orbito-frontal region.
Growing Seedless Watermelons. If youâve enjoyed a delicious seedless watermelon, you might wonder how they are grown. It starts by treating watermelon seedlings with a chemical that makes the plant have 4 times (4X) their normal number of chromosomes. After planting, when this watermelon flowers, it receives pollen from a nearby normal (2X) watermelon. The result is a fruit that has seeds that are 3X .
Grow a summer feast! A single homegrown watermelon makes a refreshing hot-weather dessert or special snack for a crowd. And there's a vast array of different types of watermelon out there to grow, too. They may be round icebox types or oval picnic types. The flesh may be red, yellow, orange or pink, and the size ranges from a few pounds to nearly 200 pounds. Watermelons require heat to germinate and grow well.