Which statement concerning protein synthesis in cells is most accurate? 1. proteins are synthesized at the mitochondria in all living things 2. proteins are synthesized at the ribosomes in all living things 3. proteins are synthesized at the ribosomes in plant cells only 4. proteins are synthesized by the nuclei in animal cells only.

Which of the following is not a characteristic of carnosaurs? a. long narrow skulls b. strong forelimbs c. horn projecting from their skulls d. none of the above

After reading the paragraph below, answer the questions that follow. researchers have created a robot that has a very thin leg that is moved by cardiac (heart) cells contracting in unison. the robot, made of a polymer similar to that used in making contact lenses, is bathed in heart cells with supporting cells, which then attach to the robot and provide movement as they contract. all of the cardiac cells working together can cause the robot leg to move in a way that individual cells could not. this is an example of a. emergent properties of cells. b. energy flow through an ecosystem. c. adaptation. d. internal environment regulation.

The image below shows a weather service map. which details best describe this map? check all that apply