6. a variety of proteins are embedded within the plasma membrane:
- penetrate the hydrophobic core of the membrane,
-attach only to the surface of the membrane.
- forma tunnel through which molecules may pass.
- change shape to allow molecules to pass through.
- integral proteins that span the entire width of the
plasma membrane

Select the correct answer. in the image, if the washcloth represents consumed food, which organ of the digestive system correctly represents the action performed by the hands? hands squeezing water from a washcloth a. esophagus b. large intestine c. liver d. mouth

~fourth largest plate ~includes parts of the indian and atlantic oceans ~subducts below the eurasian plate on the west side ~ the arabian and somali plates form boundaries with it what is the name of the tectonic plate described above? a) african plate b) eurasian plate c) north american plate d) indo- australian plate

Where do the respiratory and circulatory systems meet? a. in the heart b. in the muscles c. in the lungs d. in the brain