These molecules need to pass through specific proteins or transmembrane proteins embedded in the cell membrane. A specific type of an integral membrane protein.
The pneumatic bones are important to birds for respiration. They are hollow bones which are connected to the bird's respiratory system and are important for birds to be able to breath. Examples of pneumatic bones are the skull, humerus, clavicle, keel (sternum), pelvic girdle, and the lumbar and sacral vertebrae.
Answer:
Answer:
Explanation:
1. Monoculture
2. Erosion
3. Desertification
4. Bio-logical Magnification
5. Bio- diversity
6. Ecological hot spot
7. ecological footprint
8. Ozone Layer
9. Aquaculture
10. Global Warming
Explanation:
The material that makes up the membrane cell is the phospholipids, cholesterol, proteins, and carbohydrates.
