cellular respiration
No description yet. This curated deck is ready for daily study.
Card preview (24)
how is atp achieved in a cell
energy is stored in bonds that join atoms together in molecules, when bonds and molecules are broken, they release energy.
ATP cycle
once an atp molecule has given up its energy, it becomes ADP and Pi, ADP can be recharged with energy, the pi is rejoined - this happens in cellular respiration
two types of cellular respiration
aerobic - requiring oxygen and anaerobic - without oxygen
3 stages of aerobic respiration
• glycolysis, occurs in the cytosol • krebs cycle, occurs in the matrix of the mitochondria • electron transport, occurs in the cristae of mitochondria
how many atp is produced per gluecose molecule in aerobic respiration
30-32
gylcolysis
involves the splitting of glucose and does not require oxygen. this stage produces 2 ATP. NADH carriers hydrogen to et
krebs cycle
oxygen is not necessary for this stage and 2 ATP molecules are produced. NADH and FADH2 carriers hydrogen to et
electron transport
oxygen is required and 26 or 28 atp molecules are produced
word equation for aerobic respiration
oxygen + glucose = carbon dioxide + water + energy
symbol equation for aerobic respiration
c6h12o6 + 6o2 (+ ADP +Pi)= 6co2 + 6h2o + 30/32 atp
what is anaerobic respiration
in yeast, plants and bacteria it breaks down pyruvate into ethanol (alcohol) and carbon dioxide. In mammals after oxygen reserves have been depeted, pyruvate will be broken down into lactic acid.
word equation anaerobic respiration animals
glucose = (2) lactic acid + (2) ATP
word equation anaerobic respiration plants
glucose = 2 carbon dioxide + 2ATP + 2 ethanol
Atp before processed
ADP +P
carrier molecule of hydrogen before hydrogen is added is cellular respiration and photosynthesis
NAD, NADP
what does energy released from cellular respiration allow the cell to do
active transport, bulk transport, movement, muscle activity, metabolism
where is the cristae
outer of the folding
where is the matrix
inner of the folding
rate of energy release aerobic and anaerobic
aerobic: slower anerobic: faster
efficiency of atp production aerobic and anaerobic
30/32, 2
duration of energy release aerobic and anaerobic
aerobic: sustained long term anerobic: not be sustained in animals as lactate is toxic
difference of carrier molecules for respiration and photosynthesis
respiration: NADH photosynthesis: NADPH
anaerobic respiration in yeast, plant, bacteria
2 ADP + Pi and 2 NAD and glucose combine. NAD changes to 2 NADH, 2 ADP changes to 2ATP, gluecose changes to 2 Pyruvate and 2 CO2 are released. NADH brings the hydrogen to the pyruvate to make 2 ethanol.
anaerobic respiration in animals
glucose combines with 2 ADP + 2 Pi which makes 2 ATP, combines with 2 NAD which carries hydrogen by NADH, the glucose makes 2 pyruvate which combines with the carried hydrogen to make 2 lactate.