Cells - Year 10 - OCR Biology PDF

CELLS Structure & Function  2 - Organisation of the Organism 2.1 – Cell Structure 2.2 – Cells and Organisms Page 18 In this chapter, you will find out about:  the structure of plant cells and animal cells  the...

CELLS Structure & Function  2 - Organisation of the Organism 2.1 – Cell Structure 2.2 – Cells and Organisms Page 18 In this chapter, you will find out about:  the structure of plant cells and animal cells  the functions of the different parts of cells 2.1 – Cell Structure 2.2 – Cells and Organisms L.O To describe the functions of the nucleus, cytoplasm, cell membrane, cell wall, mitochondria, chloroplasts, ribosomes and vacuole 2.1 – Cell Structure 2.2 – Cells and Organisms Success Criteria To describe cell structures, including the nucleus, cytoplasm, cell membrane, cell wall, mitochondria, chloroplasts, ribosomes and vacuole To describe the functions of the nucleus, cytoplasm, cell membrane, cell wall, mitochondria, chloroplasts, ribosomes and vacuole To identify the similarities and differences in the structure of plant and animal cells.  3 MINS TO LABEL THE FOLLOWING DIAGRAM Animal Cell  It’s made up mainly of water. It’s where 2 chemical reactions take place. 1protects It surrounds the cell. It It’s 4 where the organelles and controls transport of substances in & out respiration takes of the cell because it is semi- place to give permeable. energy. 3 6 It contains the DNA of the cell. It also controls the It’s 5 function protein synthesis. is activity of the cell.  1 MINS TO LABEL THE FOLLOWING DIAGRAM Plant Cell  7 6 It’s the site for photosynthesis. Contains cholorphyll to convert light energy into chemical energy. 5 1 It’s made up of cellulose. 2 Supports the structure of 4 the cells & gives its shape. 3 Contains cell sap = storage of materials. It also supports the shape of the cell. VIDEOS  https://www.youtube.com/watch?v=LdKcTtabr6Y  https://www.youtube.com/watch?v=M1wdIdCOk-Y  2.1 – Cell Structure - Questions 2.1 – Cell Structure 2.2 – Cells and Organisms Page 23 Questions 2.6 What sort of cells are surrounded by a cell membrane? 2.7 What are plant cell walls made of? 2.8 What does fully permeable mean? 2.9 What does partially permeable mean? 2.10 What is the main constituent of cytoplasm? 2.11 What is a vacuole? 2.12 What is cell sap? 2.13 Chloroplasts contain chlorophyll. What does chlorophyll do? 2.14 What is stored in the nucleus?  I DO Functions of the different organelles of the cell Organelle Structure Function Cell membrane Double membrane made of Let the particles to selectively move lipids in and out of the cell Cytoplasm Semi-solid/gel-like Many chemical reactions occur Nucleus Enclosed by a double Controls all the cell activities membrane; DNA present Mitochondria Enclosed by a double Reactions of aerobic respiration membrane; DNA present take place and energy is released. Ribosome No membrane encloses it; Protein synthesis Made of proteins and RNA Cell wall Made of cellulose Gives support and protection to the cell; Movement of substances in and out of the cell Chloroplast Enclosed by a double Photosynthesis membrane; DNA present Vacuole Enclosed by a single Storage of substances; gives membrane; filled with cell sap rigidity to plants Bacteria are single celled organisms cell membrane cytoplasm DNA no nucleus, DNA is one cell wall long strand made of kept in the peptidoglycans cytoplasm slime capsule 2.1 – Cell Structure 2.2 – Cells and Organisms WE DO-Comparing Prokaryotic and Eukaryotic Cells 2.1 – Cell Structure 2.2 – Cells and Organisms MICROSCOPY https:// www.youtube.com/watch?v=xzjowD1KN20&t=143s YOU DO PLENARY  Answer the following multiple-choice questions in your notebook. Question 1 ? Question 2 ? Question 3 ? Question 4 ? Question 5 ? Question 6 ? Question 7 Which structures are present in animal and plant cells? a. Vacuole, nucleus and cell membrane b. Nucleus, cell wall, cytoplasm c. Nucleus, cell membrane, cytoplasm d. Cell membrane, chloroplast, cell wall Question 8 Which structures are present only in plant cells? a. Cell membrane, nucleus, cytoplasm b. Cell wall, cell membrane, vacuole c. Nucleus, chloroplast, cytoplasm d. Chloroplast, cell wall, vacuole Question 9 What is the function of the chloroplast? a. Controls the cell b. Stores water and mineral ions c. Makes glucose by photosynthesis d. Controls what enters and leaves the cell Question 10 What is the function of the cell membrane? a. Supports and protects the cell b. Controls the cell c. Controls what enters and leaves the cell d. Metabolic reactions occur here Question 11 What is the function of the cell wall? a. Supports and protects the cell b. Stores water and mineral ions c. Controls the cell d. Controls what enters and leaves the cell Question 12 What is the function of the cytoplasm? a. Stores water and mineral ions b. Metabolic reactions occur here c. Controls what enters and leaves the cell d. Supports the cell Question 13 What is the function of the permanent vacuole? a. Supports and protects the cell b. Controls what enters and leaves the cell c. Controls the cell d. Stores water and mineral ions Question 14 What is the function of the nucleus? a. Supports and protects the cell b. Controls the cell c. Controls what enters and leaves the cell d. Metabolic reactions occur here Question 15 The two cells illustrated below show a typical: a. Red blood cell and root hair cell b. Ciliated cell and xylem vessel c. Liver cell and palisade cell d. Muscle cell and mesophyll cell Cell Structure and Function Quiz Answers Question 1 ? cell membrane Question 2 ? cytoplasm Question 3 ? nucleus Question 4 ? cell wall Question 5 ? chloroplast Question 6 ? sap vacuole Question 7 Which structures are present in animal and plant cells? a. Vacuole, nucleus and cell membrane b. Nucleus, cell wall, cytoplasm c. Nucleus, cell membrane, cytoplasm d. Cell membrane, chloroplast, cell wall Question 8 Which structures are present only in plant cells? a. Cell membrane, nucleus, cytoplasm b. Cell wall, cell membrane, vacuole c. Nucleus, chloroplast, cytoplasm d. Chloroplast, cell wall, vacuole Question 9 What is the function of the chloroplast? a. Controls the cell b. Stores water and mineral ions c. Makes glucose by photosynthesis d. Controls what enters and leaves the cell Question 10 What is the function of the cell membrane? a. Supports and protects the cell b. Controls the cell c. Controls what enters and leaves the cell d. Metabolic reactions occur here Question 11 What is the function of the cell wall? a. Supports and protects the cell b. Stores water and mineral ions c. Controls the cell d. Controls what enters and leaves the cell Question 12 What is the function of the cytoplasm? a. Stores water and mineral ions b. Metabolic reactions occur here c. Controls what enters and leaves the cell d. Supports the cell Question 13 What is the function of the permanent vacuole? a. Supports and protects the cell b. Controls what enters and leaves the cell c. Controls the cell d. Stores water and mineral ions Question 14 What is the function of the nucleus? a. Supports and protects the cell b. Controls the cell c. Controls what enters and leaves the cell d. Metabolic reactions occur here Question 15 The two cells illustrated below show a typical: a. Red blood cell and root hair cell b. Ciliated cell and xylem vessel c. Liver cell and palisade cell d. Muscle cell and mesophyll cell