Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
What type of cells are these? Which type of cell lacks a nucleus? What type(s) of cell(s) have a cell wall? List three differences between a plant cell and an animal cell. Name the basic unit of life. Cell Structure What compound is a plant cell wall made from? What is the function of … Name the green pigment found inside chloroplasts. Match the cell structure its function. The cytoplasm? The cell membrane? The plasmid? Structure Function Chloroplast Contains cell sap. Nucleus Site of protein sysnthesis. Vacuole Site of aerobic respiration. Ribosome Site of photosynthesis. Mitochondrion Controls cell activities. Stores DNA (genetic material). What is the function of the cell membrane? Give a full description of the process of active transport, including an example of substances that move by active transport. Describe what would happen to a leaf cell when placed in a hypertonic solution. Transport Across Cell Membranes Give a definition of diffusion. Name 4 substances that move by diffusion. Give the meanings of the following terms. Osmosis Describe what would happen to a red blood cell when placed in a hypotonic solution. Label this diagram to show the two chemical components of a cell membrane. Hypertonic Isotonic Hypotonic Explain why glucose sugar can move across the cell membrane, but not starch. Describe the effect of temperature on enzyme activity (you may wish to use a labelled diagram). Location of DNA in a cell. Shape of a DNA molecule. DNA, Proteins and Enzymes Reasons why the sequence of bases on a DNA molecule important? Function of mRNA. Subunits of a protein and type of bond that holds them together. Definition of the following terms: TYPE OF BOND: Complete the table. Part of the enzyme where the substrate binds. List four properties of an enzyme. SPECIFIC: OPTIMUM: SUB-UNITS: List four potential functions of a protein. 1 1 2 2 3 3 4 4 TYPE OF BOND: SUBSTRATE ENZYME PRODUCT(S) Starch Maltose Pepsin Catalase DENATURED: Fat Oxygen and water Where are chromosomes located in an animal cell? Describe what is meant by a chromosome complement. HAPLOID List five growth requirements for cell cultured in a laboratory. 1. 2. 3. 4. 5. List five precautions that should be taken to ensure aseptic technique. Producing New Cells What is aseptic technique? Draw a series of labelled diagrams to show the sequence of events that occurs during mitosis. Give a description of the following terms: Why is it important the chromosome complement is maintained during mitosis? DIPLOID 1. Draw a diagram of a bacterial cell. 2. Where are chromosomes located in an animal cell? List two medical products made by genetic engineering. 1. 2. 3. List three types of GMO (Genetically Modified Organisms) and the improvements made. Genetic Engineering Part of a bacterial cell that acts as a vector (carrier) for a gene of interest. Advantages of using micro-organisms. Draw a series of labelled diagrams to show the sequence of events in genetic engineering. Three chemical elements that make up a carbohydrate. A B C D Site of photosynthesis. Name of green pigment that captures light energy. Draw a labelled diagram to show what happens in Stage 1 (Light-dependant stage) of photosynthesis. E G F Photosynthesis Diagram of a leaf. Circle the letters that show cell layers in which photosynthesis can take place. By-product formed in stage 1 and its fate. 1 2 List three factors that can limit the rate of photosynthesis. Name of stage 2. 3 Function of ATP in stage 2? Glucose produced in photosynthesis can be converted into - Draw a labelled diagram to show what happens in stage 2. Two substances produced in stage 1 that are needed for stage 2. Four cellular processes that ATP provides energy for. Diagram showing stage 2 in fermentation in animal cells. Diagram showing stage 2 in fermentation in plant/yeast cells. Type of sugar used in respiration. 2 3 Diagram of an ATP molecule. 4 ATP can be broken down into… Respiration Diagram showing stage 2 in aerobic respiration. Meanings of the following terms: Number of ATP formed in fermentation. 1 Number of ATP formed in stage 1. AEROBIC Name and location of stage 1. Site of stage 2 in aerobic respiration. FERMENTATION Draw a labelled diagram to show what happens in stage 1. NAME LOCATION