the cell membrane consists of a lipid bilayer with embedded proteins what is one reason that proteins are essential for the fell membrane to function properly?

Label the following as inner or outer planets; a) has 67 moons made mostly of hydrogen and helium b) has rings c)no moons, high volcanic activity d) known as the red planet, has 2 moons e) very thin atmosphere, moons or rings

Organ systems are composed of organs, organs are composed of tissues, and tissues are composed of cells. this pattern is organized into levels. organization based on levels can be found in what

How does blood cycle from the heart to the lungs, back to the heart and out to the body? use the terms heart, lungs, arteries, veins, capillaries, cells, oxygen, and carbon dioxide. (6 points! ) be clear and specific! i recommend starting at the heart with your description.