Essential Information. Ultrasound technicians, also called diagnostic medical sonographers or sonographers, operate equipment that utilizes sound waves to create images of the body's internal structures. Ultrasound is commonly used in obstetrics, but it can also diagnose other medical conditions.ssential Information. Ultrasound technicians, also called diagnostic medical sonographers or sonographers, operate equipment that utilizes sound waves to create images of the body's internal structures. Ultrasound is commonly used in obstetrics, but it can also diagnose other medical conditions.
Flippase. Flippases are a family of transmembrane lipid transporter enzymes located in the membrane responsible for aiding the movement of phospholipid molecules between the two leaflets that compose a cell's membrane.
Rebecca Feder. Arepas. What they are: A crispy, corn-based cross between flatbread and cake that's either baked or fried and used as a base for sandwiches. What's the deal: Basically Venezuela's culinary cultural attache to the US, arepas have taken our food carts, restaurants, and hearts by storm. They're eaten all day, whether they're stuffed with eggs for our favorite breakfast or piled high with lengua de res (tongue) or other taco-style fillings at night.