2686693
Description
Flashcards by jess.rach5, updated more than 1 year ago
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Created by jess.rach5
almost 9 years ago
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| Question | Answer |
| PATHOGEN | ORGANISM THAT CAUSES DISEASE BY DESTROYING CELLS OR RELEASING TOXINS |
| ANTIGEN | PROTEIN THAT CAUSES AN IMMUNE RESPONSE |
| ANTIBODY | QUATERNARY PROTEIN THAT DEMOBILISES ANTIGENS BY FORMING AN ANTIBODY-ANTIGEN COMPLEX. IT HAS A VARIABLE REGION THAT HAS A SPECIFIC COMPLEMENTARY SHAPE TO AN ANTIGEN |
| RISK FACTOR | THE PROBABILITY THAT DAMAGE MAY OCCUR |
| DIGESTION | PHYSICAL AND CHEMICAL BREAKDOWN OF FOOD |
| HYDROLYSIS | SPLITTING OF A MOLECULE WITH WATER |
| POLYPEPTIDE | LONG CHAIN OF AMINO ACIDS |
| ACTIVATION ENERGY | THE MINIMUM AMOUNT OF ENERGY REQUIRED TO BRING ABOUT A REACTION |
| COMPETITIVE INHIBITOR | MOLECULE THAT BINDS TO THE ACTIVE SITE OF THE ENZYME |
| NON-COMPETITIVE INHIBITOR | BINDS TO THE INHIBITION SITE AND CHANGES THE ACTIVE SITE SHAPE |
| CELL FRACTIONATION | THE PROCESS BY WHICH CELLS ARE SPLIT UP AND ORGANELLES SEPARATED |
| PROKARYOTIC CELLS | CELLS THAT DON'T HAVE A NUCLEUS OR MEMBRANE BOUND ORGANELLE |
| EUKARYOTIC CELLS | HAVE A NUCLEUS, CHROMOSOMES AND OTHER MEMBRANE-BOUND ORGANELLES |
| HYDROPHILLIC | ATTRACTED TO WATER |
| HYDROPHOBIC | REPELLED BY WATER |
| DIFFUSION | THE NET MOVEMENT OF MOLECULES OR IONS FROM A REGION OF HIGH CONCENTRATION TO A REGION OF LOW CONCENTRATION |
| OSMOSIS | THE PASSAGE OF WATER FROM A REGION OF HIGH WATER POTENTIAL TO A REGION OF LOW WATER POTENTIAL, ACROSS A PARTIALLY PERMEABLE MEMBRANE |
| ACTIVE TRANSPORT | THE MOVEMENT OF MOLECULES OR IONS INTO OR OUT OF A CELL FROM A REGION OF LOWER CONCENTRATION TO A REGION OF HIGHER CONCENTRATION USING ENERGY AND CARRIER MOLECULES |
| PULMONARY VENTILATION | Tidal Volume x Ventilation Rate |
| MYOGENIC | CONTRACTION OF THE HEART IS INITIATED FROM WITHIN THE MUSCLE ITSELF |
| ATHEROMA | A FATTY DEPOSIT IN THE WALL OF AN ARTERY |
| THROMBOSIS | WHEN AN ATHEROMA BREAKS AND A BLOOD CLOT FORMS |
| ANEURYSM | WEAKENED ARTERY WALLS SWELL AND MAY BURST |
| LDL | TRANSPORT CHOLESTEROL TO TISSUES THAT MAY GET DEPOSITED=BAD |
| CELL MEDIATED IMMUNITY | T LYMPHOCYTES RECOGNISE ANTIGEN-PRESENTING CELLS THAT HAVE BEEN INVADED AND UNDERGO MITOSIS TO RESPOND |
| HUMORAL IMMUNITY | IMMUNITY INVOLVING B CELLS AND ANTIBODIES |
| ANTIGENIC VARIABILITY | VIRUSES SUCH AS FLU HAVE MANY DIFFERENT STRAINS WITH DIFFERENT ANTIGENS ON THEM |
| MONOCLONAL ANTIBODIES | ISOLATION AND CLONING OF A SINGLE TYPE OF ANTIBODY FROM A B CELL |
| ACTIVE IMMUNITY | STIMULATION OF ANTIBODY PRODUCTION BY THE INDIVIDUAL’S OWN IMMUNE SYSTEM |
| HERD IMMUNITY | VACCINATING MOST OF A POPULATION SO THAT NO-ONE HAS THE DISEASE AND TRANSMISSION IS STOPPED. VACCINATED LIKELY TO CONTACT NON-VACCINATED |
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