Phospholipids in a plasma membrane are arranged in a and have phosphate heads and lipid tails.
Risk factors associated with coronary heart disease
Smoking
Gender
Doing exercise
Being average weight
Low salt intake
During a heart attack areas of heart muscle are deprived of because of a reduced blood flow in the so they cannot carry out respiration.
How bacteria are destroyed by phagocytes: Phagocytes form a around the bacteria. Lysosome empties its contents into the where is released with teh bacteria.
An inhibitor of amylase is added to some food. How could this lower the blood glucose concentration? Fewer complexes are formed therefore less starch is digested to meaning less glucose is formed which will lead to a reduced absorption of .
Fibrosis can cause changes to FEV since tissue has developed. tissue cannot which will mean that inhalation is .
Whole cell vaccines could cause harmful side effects since some bacteria may still be so the bacteria could . Also the may not be affected by the heat which was used in the process of attenuating the virus.
Competitive inhibitors have a ❌ shape to the enzyme's substrate so can bind to the ❌. They ❌ be overcome by adding more substrate. Non-competitive inhibitors bind to a ❌ which will ❌ the shape of the active site of the enzyme. These ❌ be overcome by adding more substrate.
A hierarchy contains groups within with overlap between groups.
Independent segregation in meiosis produces cells and will arrange the homologous pairs .
Selective breeding could cause and the possibility of mutation being passed on.
A shift to the right in an oxygen dissociation curve will mean that the heamoglobin will have a ❌ affinity for oxygen which means that oxygen can be ❌ at respiring cells so the rate of respiration will be ❌.
