3. Description of which organelle betul "Creates a physical barrier ; Regulates the flow of materials into and out of the cell. Recognizes
chemical signals; Creates structure"
A. vacuoles
B. prokaryotic cells
C. cell membrane

What are the major types of a chemical compound

Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize

Click the button that shows the correct relationship of the electron affinities of the elements sodium and phosphorus. sodium’s electron affinity value is more negative than the electron affinity value of phosphorus. phosphorus’ electron affinity value is more negative than the electron affinity value of sodium. this information cannot be determined using the periodic table. answer is b on e2020.