Be able to discuss and explain the human and financial cost of these non-communicable diseases to an individual, a local community, a nation or globally. Buy a copy per student and get them online instantly. They contain questions about methodology, scientific enquiry and analysis of results. Be able to explain how the spread of diseases can be reduced or prevented. Painkillers and other medicines are used to treat the symptoms of disease but do not kill pathogens. Find an active study technique that works for you. It affects the growth of the plant as photosynthesis is reduced.
All the learning outcomes for the topic are on the reverse side of the worksheet. Questions have been made based on common questions students get wrong and include working scientifically questions and maths questions. You should be able to explain how the structure of these vessels relates to their functions. . They are not applied but made to cover the foundation of knowledge required by the specification. Stem cells from human embryos can be cloned and made to differentiate into most different types of human cells.
Western Europe deliveries are expected to arrive between 5-8 business days. When at risk from unusual or dangerous diseases our body's natural system can be enhanced by the use of vaccination. Please rate this resource and follow me for further resources to come. Antibiotics, such as penicillin, are medicines that help to cure bacterial disease by killing infective bacteria inside the body. They make for great rewards though, to try using them as incentive for completing your daily routine.
Step 2: Print pages 5 and 6 on A3 paper 1 each for every student. This means that it can be used to study cells in much finer detail. I set revision tasks for the students from the start of the topic e. Viruses living in cells can be the trigger for cancers. Condition: New Please note, the image is for illustrative purposes only, actual book cover and edition may vary. However, in order to receive your A Level you must also undergo a separate endorsement of 12 practical skills. Be able to use prefixes centi, milli, micro and nano and you must be able to demonstrate an understanding of the scale and size of cells and be able to make order of magnitude calculations including the use of standard form.
Join over 16,000 students getting the best grades possible, and sign up today. They may infect plants or animals and can be spread by direct contact, by water or by air. Revise the investigation into the effect of a range of concentrations of salt or sugar solutions on the mass of plant tissue. Mixture of diagrams to draw, short answers and slightly longer answers. Have the Notebook and the book open side-by-side so you can take notes from the book directly.
Health is the state of physical and mental wellbeing. They depend on their host to provide the conditions and nutrients that they need to grow and reproduce. Know that enzymes catalyse specific reactions in living organisms due to the specific shape of their active site. Uncontaminated cultures of microorganisms are required for investigating the action of disinfectants and antibiotics. Ideal prep for the mock exams or the real thing. For combined science practicals 8 and 10 are not required.
Metabolism is the sum of all the reactions in a cell or the body. You should be able to explain the effect of changing temperature, humidity, air flow air movement and light intensity on the rate of transpiration. Enzymes: are biological catalysts that speed up chemical reactions in living organisms are large proteins catalyse a specific reaction due to the shape of the active site are denatured by high temperature and extremes of pH due to changes in the shape of the active site have an optimum temperature have an optimum pH. You should be able to relate the action of enzymes to metabolism. We offer a range of A Levels where we guarantee to prioritise the marking of your coursework so you are fully ready to take your exams in June of each year. An Advanced Level in Biology is a perfect qualification for those wishing to acquire knowledge and understanding of the subject to enable them to study at a higher level at university. Proteases break down proteins to amino acids.
This can be used before an end-of-topic test for pupils to reflect on areas of revision which are most important. Clinical trials use healthy volunteers and patients. Red blood cells contain haemoglobin which binds to oxygen to transport it from the lungs to the tissues. Find ways to include healthy eating, exercise, downtime and stress management into your revision period so you can perform well while maintaining balance. They are produced by stimulating mouse lymphocytes to make a particular antibody. All units will be assessed by 3 paper-based exams.
Antibiotics cannot kill viral pathogens viruses. Knowledge of the lungs is restricted to the trachea, bronchi, alveoli and the capillary network surrounding the alveoli. Additional exam centres in various locations will soon become available. Immune reactions initially caused by a pathogen can trigger allergies such as skin rashes and asthma. The human nervous system 3. Investigating the distribution of stomata and guard cells. You should be able to carry out rate calculations for chemical reactions.
They have cytoplasm and a cell membrane surrounded by a cell wall. Be able to explain the effects of temperature, light intensity and carbon dioxide concentration on the rate of photosynthesis and to interpret graphs of photosynthesis rate involving one limiting factor. In each case they provide dissolved materials that need to be moved quickly around the body in the blood by the circulatory system e. You should be able to calculate and compare surface area to volume ratios. Know that cells may be specialised to carry out a particular function e.