Use the following words to answer the quiz questions amplitude energy wavelength frequency mechanical electromagnetic 1. all waves must first start with a source of to transfer through the universe. 2. these waves must make contact with an object to transfer energy. examples are water or sound waves. 3. these waves can travel without touchingan object. examples are light and radio waves. 4. this is the measurement of the width of a wave. 5. this is the measurement of the speed of a wave. 6. this is the measurement of the height of a wave. 7. true or false: waves such as light will move at a constant speed unless they are disturbed by something such as a glass prism.
What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.