- 2 â Science Content for the Teacher: Gel Electrophoresis is a technique widely used in professional laboratory settings. There are a number of types of electrophoresis, but one of the simplest is that of agarose gel electrophoresis. This technique is used in laboratories to separate DNA based on size. 2 â Science Content for the Teacher: Gel Electrophoresis is a technique widely used in professional laboratory settings. There are a number of types of electrophoresis, but one of the simplest is that of agarose gel electrophoresis. This technique is used in laboratories to separate DNA based on size.
1 Dahlias are most often grown from tubers (like bulbs) planted in the spring. 2  If you want the best varieties though, be taking notice of the plants that are blooming in early fall, and take note of the variety. 3  One way to do this is to visit a nursery and check out plants in pots.ereâs how to grow dahlias, the easy way! 1  Dahlias are most often grown from tubers (like bulbs) planted in the spring. 2  If you want the best varieties though, be taking notice of the plants that are blooming in early fall, and take note of the variety.
1 There's no need to water the soil until the dahlia plants appear; in fact, overwatering can cause tubers to rot. 2  After dahlias are established, provide a deep watering 2 to 3 times a week for at least 30 minutes with a sprinkler (and more in dry, hot climates). Don't be in a hurry to plant; dahlias will struggle in cold soil. 2  Ground temperature should reach 60Â°F. Wait until all danger of spring frost is past before planting. ( 3 We plant them a little after the tomato plants go in.). 4  Select a planting site with full sun.