Cell Theory Notes-Questions and Answers Graded A+

Cell Theory Notes-Questions and Answers Graded A+ What does the cell theory state? - ANSWER-1. all living things are made of cells 2. cells are the basic unit of structure and function in living things 3. New cells are produced from existing cells What are characteristics that are true of all cells? - ANSWER-All Cells: - have DNA and Cell membrane - contain organelles - structures inside the cell that do specific jobs - organelles work in cytoplasm, which is mostly water - some organisms are only 1 cell, so cells are able to do everything that any living thing can do What types of jobs do organelles do? - ANSWER-EXAMPLES: - Growth - Breathing What controls the cell ? - ANSWER-Organelle: Nucleus Structure: a membrane that holds the DNA of the cell Function: controls all of the processes in the cell What decides what enters and what exits the cell? - ANSWER-organelle: cell membrane structure: layers of a lipid and a protein function: controls what enters and exits the cell What gives the cell shape? - ANSWER-organelle: cell wall structure: layers of carbohydrate or proteins function: gives plant cells rigid structure How does the cell get energy? - ANSWER-organelle: mitochondria structure: folded membrane with embedded proteins function: makes chemical energy through cellular respiration cellular respiration - ANSWER-the process that turns glucose molecules into chemical energy How does the cell get glucose? - ANSWER-organelle: chloroplast structure: stacks of small disks where reactions take place function: where photosynthesis happens