Unit 5 0.0 / 5 ? BiologyHuman, animal and plant physiologyA2/A-levelEdexcel Created by: 17daisyCreated on: 30-03-15 19:27 What is a joint? An area where 2 or more bones meet. 1 of 14 Where does GLYCOLYSIS take place? In the cytoplasm of the cell. 2 of 14 Where does the LINK REACTION take place? 2. Where does the Krebs cycle In the matrix of the mitochondria. 2.In the matrix of the mitochondria. 3 of 14 where does the Electron Transport chain take place? it occurs across/in the cristae. 4 of 14 When NAD accepts a Hydrogen what does it become? Reduced NAD or NADH 5 of 14 How does CoEnzyme A aid the transition between glycolysis and the Krebs cycle? By converting Pyruvate to acetyl coenzyme A which is fed into the Krebs cycle. 6 of 14 What do Beta Blockers do? 2.What do Hormone Agonists do? They dilate airways allowing more oxygen to the body. 2) They mask or change the action of other hormones. 7 of 14 What is the effect of Narcotic analgesics? They are pain killers which mask injury and reduce pain allowing stronger performance. 8 of 14 What is the role of the AXON in neurones? They are long extensions of the cell that transmit the nerve impulse away from the cell body to the effectors (muscles). 9 of 14 At what MV do the sodium channels open? -40mv 10 of 14 Factors that affect the speed of nerve transmission? -Diameter of axon. -Myelin Sheath. 11 of 14 2 steps after the arrival of an action potential at the presynaptic knob? Ca+ channels open, Ca+ ions flow into the presynaptic knob. 12 of 14 What does the depolarization of a nerve membrane mean? When a nerve impulse is going down the nerve. 13 of 14 role of temporal lobe of the brain? Sound recognition. -Hearing and speech. -Some memory and function. 14 of 14
Comments
No comments have yet been made