Dr. Martin A. Tidball, along with colleagues at two universities, /are working on uncovering the mysteries of glucose uptake, a discovery of new details /active ATP transport, and a drug to enhance facilitated diffusion

• A. are working on uncovering the mysteries of glucose uptake, a discovery of new details about active ATP transport, and a drug to enhance facilitated diffusion
• B. is working on uncovering the mysteries of glucose uptake, discovering new details about ATP transport, and enhancing facilitated diffusion via a drug
• C. is working to uncover the mysteries of glucose uptake, discover new details about active ATP transport, and enhancing facilitated diffusion with the help of a drug
• D. are working hard to uncover the mysteries of glucose uptake, discover new details about active ATP transport, and enhance facilitated diffusion with the help of a drug