Lactase is a protein enzyme that digests (breaks down) lactose (milk sugar) into glucose and. galactose (smaller sugars). The chemical equation below illustrates what happens when the. enzyme lactase digests lactose (milk sugar).
Pella, Iowa. Pella is a city in Marion County, Iowa, United States, with a population of 10,352 at the time of the 2010 census. Pella is the home of Central College, as well as several manufacturing companies, including Pella Corporation and Vermeer Manufacturing Company. Contents.
1 Since 2000 Pella has had a population growth of 6.53% (Compared to Iowaâs growth rate of 4.1% since 2000)  The median age in Pella is 33.3 years old (Iowaâs median age is 42.7 years old) (28.7 % are under age 19; 23.1% are ages 20-34; 22.0% are ages 35-54; 22.8% are ages 55-84; 3.4% are over age 85)