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 .
How Long Does Watermelon Take to Grow & What Month Do You Plant? Many superlatives can be applied to watermelon, including sweetest melon. Producing the biggest fruit on the longest vines, the watermelon (Citrullus vulgaris) also has the longest history of any of the melons. And most eaters agree; it is the sweetest of the bunch. The first recorded evidence of a watermelon crop occurred over 5,000 years ago in Egypt.