Using 4 hydrogen's and two oxygen's create two molecules of water and show the location of the hydrogen bond. (Just use O'S and H'S and 4 lines in a drawing. )

Which of the following molecules could pass through the plasma membrane by simple diffusion? a. na+ ions b. glucose c. amino acids d. carbon dioxide

The presence of iron oxides in rocks, formed during a specific time period, can be used as evidence of oxygen in the atmosphere during that time period. question 18 options: true false

Now that you have learned about indicator solutions, write a hypothesis to answer the lesson question, “what macromolecules are present in the mystery food sample? ” (keep in mind that your teacher strongly suspects zack, who ate tofu, is guilty.) hypothesis: if the mystery food is tofu, then .