3. Living Cells Need Energy Flashcards
List some uses of energy in cells
Movement, synthesis, and maintained of a stable environment
What does photosynthesis involve?
Taking in light energy and converting this into chemical energy
Write the full, balanced equation for photosynthesis
6CO2+6H2O→C6H12O6+6O2.
Define autotroph and heterotroph
Autotrophs are known as producers because they are able to make their own food from raw materials and energy. Examples include plants, algae, and some types of bacteria. Heterotrophs are known as consumers because they consume producers or other consumers. Dogs, birds, fish, and humans are all examples of heterotrophs.
What is excess glucose in plants stored as?
Starch!
Factors which impact rate of photosynthesis?
Carbon dioxide, temperature, light intensity and colour of light
What do synthesis reactions do and what do breakdown reactions do?
Require energy and release energy
What is ATP?
Cellular energy source which contains a high energy bond that when broken releases energy
Describe ATP/ADP cycle
Yipeeee
Where is the energy release from ATP cycle
Energy released for ATP/ADP cycle and is used to drive ADP+P—ATP
Basic of aerobic respiration- where it occurs and what it needs
Cytoplasm and mitochondria, needs oxygen and mitochondrion to produce lots of ATP per glucose
Write aerobic respiration equation
C6H12O6 + 6O2 → 6CO2 + 6H2O
What is anaerobic respiration and what else can it be referred to?
Fermentation
What is ethanol fermentation and write equation for it
Ethanol fermentation, also called alcoholic fermentation, is a biological process which converts sugars such as glucose, fructose, and sucrose into cellular energy, producing ethanol and carbon dioxide as by-products.
C6H12O6 → 2 C2H5OH + 2 CO.
Lactic acid fermentation and equation
Lactic acid fermentation is a type of anaerobic respiration (or fermentation) that breaks down sugars to produce energy in the form of ATP. It is called anaerobic because it occurs in the absence of oxygen. Lactic acid is generated as a byproduct of this reaction, which is what gives this type of fermentation its name. One well-known example of lactic acid fermentation occurs during the production of yogurt by Lactobacillus bacteria.
C6H12O6 (aq) 2C2H5OH(aq) + 2CO2(g)
