Which options identify functions that cells carry out to support life? (Select all that apply.)

1. avoid burning food molecules to save energy
2. remove waste materials
3. fight foreign cells or harmful molecules
4. burn food molecules to produce energy

Give your knowledge of these things in your paper, you will compare and contrast analog and digital signals to determine which is more reliable for encoding and transmitting information. you’ll compare these features: signal shape numerical values for signal measurements amount of data that can be transmitted energy requirements privacy and security (ability of the signal to be encoded in a secret code) clarity of signal in the space provided, write down what you already know about any of these features. if you’re not sure, write down questions you might have about the features.