JELLO HOMEWORK

Jello is essentially gelatin, which is processed collagen, which is a structural protein in animals

collagen is extracted from boiled bones and intestines of animals

the trapped liquid give gelatin its wiggle, but the protein allows for it to keep its shape

water is the biggest component in Jello

gelatin is made up of amino acids in a chain

Jello has little nutritional value

collagen makes up some of the protein in the human body

collagen is composed of three polypeptide chains that are held together by hydrogen bonds

introduction rough draft part 3

PART 3

The purpose of our lab is to determine what different amounts of water does to the germination of a yellow dent corn seed (Zea mays indenta). Through the observation of 5 separate germination tests we will be able to tell what amount of water is optimum for proper germination of the seed. There will be a total of 4 variables in our experiments, 3 of which will remain constant throughout: soil, light, and temperature. Each day the seeds will be watered with the appropriate amount in order to tell us which daily amount is best for fastest germination. All the corn seeds used will be used from a commercial seed packet. If a yellow dent corn seed is exposed to 2 tablespoons of water per day, then it will germinate at a faster rate than any other amount of water.

attributions

http://www.agry.purdue.edu/ext/corn/news/timeless/germemergreq.html   8/30/10

http://www.wyffels.com/pages/early_corn_development.html  8/30/10

corn-yellow dent seeds: germination

• dent corn will germinate and emerge slowly and unevenly when the soil temperature is below 50F
• enough moisture must be available in the soil for the seed to consume 30% of its total weight in water in order for germination to occur
• the first part of the seed to emerge is the "radical"
• the ideal growing point is usually 1-1.5 in. below the surface of the soil
• if the soil is too wet then the seed could decay
• soil should be between 70-85F for ideal germination