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2.8 Cellular Respiration (popular on exams)
IB Syllabus
14
Biology
11th Grade
05/18/2015

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Term
What is the chemical and word equation for cellular respiration?
Definition
C6H12O6 + 6O2 --> 6CO2 + 6H2O + ENERGY
Glucose + Oxygen --> Carbon dioxide + water + energy
Term
define cellular respiration
Definition
Cell respiration is the controlled release of energy from organic compounds to produce ATP.
Term
What is the source for organic compounds to be used in cell respiration in plants, and animals?
Definition
animals = food, plants = make it themselves in photosynthesis.
Term
how is ATP produced?
Definition
a phosphate group is linked to adenosine diphosphate or ADP.
Term
Where does the energy used in cellular respiration come from.
Definition
the breakdown of organic compounds.
Term
Name three activities what cells require enrgy for.
Definition
Synthesizing large molecules (DNA, proteins), Pumping molecules across membranes by active transport, Moving things around inside the cell
Term
why do cells require a continual source of ATP for cell activities.
Definition
After ATP is used, it is converted to heat, which keeps an organism warm, but cannot be reused and is lost to the environment.
Term
Which type of respiration is used in absence of oxygen
Definition
anaerobic respiration
Term
In what 3 situations is anaerobic respiration used.
Definition
1. When a short but rapid burst of ATP production is needed.
2. When oxygen supplies run out in respiring cells.
3. In environments that are deficient in oxygen, for example waterlogged soils.
Term
During anaerobic respiration, what substances is glucose broken down into in animals, and yeast and plants?
Definition
humans = lactic acid. In yeast and plants = ethanol and carbon dioxide.
Term
Name three properties of yeast that makes it useful in baking.
Definition
unicellular fungus, can respire aerobically or anaerobically, creates bubbles.
Term
Does anearobic or aerobic respiration give a arge field of ATP from glucose in cell respiration?
Definition
aerobic
Term
In eukaryotes, what is the function of the mitochondria.
Definition
it is where most of the reactions of aerobic cell respiration happen
Term
In aerobic respiration, what are the products of the repiration
Definition
CO2 and water
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