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Lactate System
Paul Morgan
Created on November 2, 2020
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Transcript
energy systems 2. lactate system
Learning outcome 1: Describe how ATP is resynthesised in the lactate system...
learning outcomes:
Learning outcomes 2: Explain/Analyse the process of anaerobic glycolysis...
Summary: Stick in notes/ screenshot and add Explain OBLA in your own words!
- After 10-12s PC stores have run out...
- ATP must now be resynthesised using a different energy source... - Carbohydrates: - No oxygen: ANAEROBIC EXERCISE
H+
H+
H+
2x
H+
Hydrogen Ions x12
H+
6C
3C
3C
- Exercise for 40-60s... - Occurs in sarcoplasm... - Maximum effort... - 1x Glucose = 2x ATP molecules...
What happens to the hydrogen ions?
H+
H+
H+
H+
H+
Hydrogen Ions
Nicotinamide Adenine Dinucleotide (NAD)
NAD
NAD
NAD
NAD
NAD
ETC (Electron Transport Chain)
NADH
NADH
NADH
NADH
NADH
Choose 1x sport/ exercise example... write it down!
30seconds!
Describe when in that sport the lactate system gets used...? (3 marks)
EXAM STYLE QUESTIONS: During glycolysis pyruvic acid and hydrogen ions are formed... 1. Identify why this is negative in terms of performance? (1mark) 2. Describe how hydrogen ions are removed from muscle cells? (3marks)
1. If there is insufficient oxygen... ANAEROBIC EXERCISE... NADH cannot release the H+ ions... 2. To prevent further rise in blood acidity... Pyruvic acid accepts the H+ forming lactic acid... 3. This then becomes lactate and H+... 4. Blood pH in a muscle cell is approx 7.1... if this drops to 6.5 muscle contraction is impaired...
ACIDOSIS
Pyruvic acid is then used in a process called the... Krebs Cycle...
Summarise the whole of the Lactate System... as a flowchart in your notes! START - FINISH!
Summarise the whole of the Lactate System... CHALK PENS/ FLIPCHART IN TEAMS START - FINISH! - Seesaw Upload - Folder - Tag Teammate/s!
Complete for the lactate system *Use your flowchart to support!
1. Think - Pair - Share2. GROUP DISCUSSION
Individual Activity
Additional Supporting Videos!
*Only watch relevent sections based on content covered in lesson... #FLIPPEDLEARNING