Science Test 3-13-24 Flashcards
Photosynthesis
process by which cell captures energy in sunlight and uses it to make food
What is the difference between an autotroph and heterotroph?
Autroph: an organism that makes its own food
Heterotroph: can’t make their own food
What happens in the two stages of photosynthesis?
1st stage- captures suns energy through chloroplasts
2nd stage- uses energy to make its own food
What is the photosynthesis equation?
Carbon dioxide + water = a sugar + oxygen
What are the raw materials and products?
Raw - carbon dioxide, water
Products - oxygen, sugar
Where does all the energy come from?
The sun
What happens to the sugar in photosynthesis?
Plants use sugar to make food
Break down sugar molecules to release energy to carry out plant’s functions
It isStored
Pigment
colored chemical compounds that absorb light
Chlorophyll
pigments in chloroplasts
Stomata
small opening on the underside of leaves
What is respiration?
the process by which cells obtain energy from glucose
What is the respiration equation?
Sugar + Oxygen = Carbon Dioxide + Water + energy
What are the raw materials and products in cellular respiration
Raw - Sugar, Oxygen
Products - Carbon dioxide, water, energy
What happens in each stage of respiration?
1st Stage
Sugar is broken down into smaller molecules
Oxygen is not involved
Small amount of energy is released
2nd Stage
Small molecules are broken down into smaller molecules
Oxygen is required
Large amount of oxygen is released
Where does each stage take place?
1st Stage - Cytoplasm
2nd Stage - Mitochondria