clouds fog Snow storm wind rain lightning sun eg. It is hot and yellow. You can see it in the daytime. 1. They are white and grey. You can see them in the sky when it's raining. 2. If there is a lot of this, you can't see well. 3. It is cold and white. It comes from clouds Children can play in it. 4. It is strong. It is good to fly a kite. 5. It is water and comes from clouds. 6. This is very bad weather. It brings a lot of wind, rain or snow. 7. You can see it in the sky during a storm.
Enzimler, Proteinlerden yapılmışlardır ve doğal olarak yalnız canlılar tarafından sentezlenirler. Hücre içerisinde meydana gelen binlerce tepkimenin hızını ve özgüllüğünü düzenlerler. Çok defa hücre dışında da etkinliklerini korurlar.