Which bones protect the lungs and heart? a. thoracic vertebrae, ribs, sternum b. thoracic vertebrae, ribs, lumbar vertebrae c. thoracic vertebrae, sternum, cervical vertebrae d. thoracic vertebrae, sternum, lumbar vertebrae

Which represents a negative impact of technology

Which of the follow describes a disadvantage secondary sources have compared to primary sources?

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer