Chapter 10 lecture notes

Reaction two stages of photosynthesis 1 light reacons

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Key Points: •  Atoms are shuffled during photosynthesis •  hydrogen is extracted from water and incorporated into sugar •  Oxygen is a waste product that is released into the atmosphere Photosynthesis is the reverse of cellular respiraBon •  Water is split and the electrons (e ­) are transferred along with H+ from water to carbon dioxide, reducing it to sugar electrons increase in potential energy as they move from water to sugar~ requires energyendergonic reaction Two stages of photosynthesis: 1.  Light Reac>ons – photo part – converts solar energy into chemical energy 2.  Calvin Cycle  ­ synthesis part – incorporates CO2 into organic molecules which are converted to sugar Solar energy Occurs in stoma Photophosphoryla>on: l ight reaction that generates ATP The nature of sunlight Travels in electromagne>c waves Wavelength Crest (ridge) Amplitude Electromagne>c energy: light energy Wavelength is the distance between crests ElectromagneBc spectrum: en>re range of radia>on Trough Key Point: •  Visible light is most important for life •  It is the radia&g...
View Full Document

{[ snackBarMessage ]}

Ask a homework question - tutors are online