Biology 2.0
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Biology 2.0 - Details
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58 questions
| 🇬🇧 | 🇬🇧 |
| Vaccinations involve injecting small amounts of... | Dead or inactive pathogens |
| Cell organisation - A group of organs working together to perform a particular function is a... | Organ system |
| Digestion - Amylase convert carbohydrates into... | Simple sugars |
| Digestion - Amylase are made in... | Salivary glands, pancreas, small intestine |
| Digestion - Proteases are made in... | Stomach, pancreas, small intestine |
| Digestion - Lipases convert lipids into... | Glycerol and fatty acids |
| Digestion - Lipases are made in... | Pancreas, small intestine |
| Digestion - where is bile created and stored? | Liver and gall bladder |
| Communicable disease - _________are microorganisms that enter the body and cause the diseases. | Pathogens |
| Communicable disease - Pathogens cause... | Communicable diseases |
| Communicable disease - _____ ______ ___ _____ can be infected by pathogens | Both plants and animals |
| Communicable diseases - Pathogens can be spread by... | Dirty water, air, direct contact |
| Cell organisation - The process by which cells become specialised for a particular job is called? | Differentiation |
| Pros of vaccines | Help control common communicable diseases, prevent big outbreaks |
| Cons of vaccines | Don't always work, can have a bad reaction |
| Photosynthesis takes place in the... | Chloroplasts |
| The word equation is... | Carbon dioxide + water - glucose + oxygen |
| Photosynthesis - plants use glucose for... | Respiration, making cellulose, making amino acids, stored oils or fats, stored starch |
| The rate of photosynthesis is affected by... | Intensity of light, concentration of CO2, temperature, chlorophyll |
| Respiration - definition | The process of Transferring energy from glucose which goes in every cell. |
| Respiration happens in... | All living things |
| Respiration is a... reaction | Exothermic |
| Photosynthesis is a... reaction | Endothermic |
| Aerobic respiration equation | Glucose + oxygen - carbon dioxide + water |
| Anaerobic respiration in muscle cells equation | Glucose - lactic acids |
| Anaerobic respiration in plants and yeast cells equation | Glucose - ethanol + carbon dioxide |
| Diffusion happens in... | Solutions and gases |
| Animal + plant cells - nucleus | Contains genetic material |
| Animal + plant cells - cytoplasm | Gel-like substance, chemical reactions happen |
| Animal + plant cells - cell membrane | Holds cell together, what goes in and out |
| Animal + plant cells - mitochondria | Aerobic reaction takes place |
| Animal + plant cells - ribosomes | Proteins are made |
| Plant cells - cell wall | Supports cell |
| Plant cells - permanent vacuole | Contains cell sap |
| Plant cells - chloroplasts | Photosynthesis occurs |
| Light microscopes use | Light and lenses |
| Electron microscopes use | Electrons, higher magnification |
| Magnification equation - | Magnification = image size/real size |
| Diffusion - definition | The spreading out of particles from an area of higher concentration to an area of lower concentration |
| Cells - Eukaryotic cells include... | Plant and animal cells. |
| Diffusion - The bigger the concentration gradient... | The faster the diffusion rate |
| Osmosis - description | The movement of water molecules across a partially permeable membrane from a area of higher water concentration to a area of lower water concentration |
| Osmosis - A partially permeable membrane is one with... | Very small holes in it |
| Active transport - Definition | Sometimes substances need to be absorbed against a concentration gradient e.g lower to higher concentration |
| Exchange surfaces - During gas exchange... | Oxygen and carbon dioxide are transferred between cells and the environment |
| Exchange surfaces - Multicellular organisms have a __________________ compared to their volume | Smaller surface area |
| Exchange surfaces - Adaptations to maximise effectiveness | Thin membrane, large surface area, lots of blood vessels, ventilated |
| Cell organisation - Cells are... | The basic building blocks of all living organisms |