Biology paper 1

• What are the cures for coronary heart disease

  1. Stents
  2. statins
• what causes coronary heart disease?

  Fatty acids in the arteries
• what does fatty acids in the arteries cause ?

  less oxygen to flow for respiration

  less blood flow to the heart
• Where was penicillin found ?

  In a mould discovered by Alexander Fleming
• Where is aspirin found ?


  willow
• Where are heart drug digitals found?

  fox gloves
• what diffusses from the lungs to the blood ?

  oxygen
• What diffuses from the blood to the lungs ?

  Carbon dioxide
• What speeds up diffusion in the alveoli ?

  • Large surface area
  • 1 cell thick
  • Good blood supply
• What is the equation for photosynthesis ?

  $Carbon dioxide +$$water -> glucose +$$oxygen$
• What is the equation for anaerobic respiration in muscles ?

  $Glucose -> lactic acid$
• What is the equation for aerobic respiration ?

  $Glucose +$$oxygen -> carbon dioxide +$$water$
• what is the equation of for anaerobic respiration in plants or yeast ?

  $Glucose -> carbon dioxide +$$ethanol$
• what is the food test for starch ?


  iodine
• what is the food test for sugars ?

  benedict
• what is the food test for proteins ?

  biuret
• what is the food test for fats ?

  ethanol
• What contains acid and churns food ?

  stomach
• What adaptation does an artery have for high blood pressure ?

  thick, elastic muscular walls
• what adaptation do veins have so that blood only flows in one direction?

  valves
• where is a pace maker found in the heart ?

  right atrium
• what part of the heart pumps blood to the lungs ?

  pulmonary artery
• what part of the heart pumps deoxygenated blood into the heart ?

  vena cava
• What are pre clinical tests carried out on ?

  • Cells
  • tissues
  • animals
• what are clinic trials tested on and why ?

  • Volunteer patients
  • to find the correct dosage
• what is a placebo ?

  a fake drug
• what is cancer ?

  when cells divide uncontrollably
• what is the liquid in blood called ?

  plasma
• what are the small dots in blood called ?

  platelets
• what are the clear cells called in blood ?

  red blood cells
• what are the full cells called in blood ?

  white blood cells
• what are vaccinations ?

  dead or weakened pathogens
• what do white blood cells produce ?

  antibodies
• what happens during reinfection ?

  antibodies are able to be made quicker
• what virus causes a red rash and can kill ?

  measles
• what is a disease cause by bad hygiene or poultry ?

  salmonella
• what is the disease called when a protist has caused an infection?


  malaria
• what type of disease causes leaves to gain black spots ?

  rose black spot
• what virus can cause less photosynthesis due to patterns on leaves ?

  tmv
• what virus can cause flu like symptoms ?

  hiv