Marjorie Boone Chloroplast. Chloroplasts  Chloroplasts are found in plant and algal cells.

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Presentation transcript:

Marjorie Boone Chloroplast

Chloroplasts  Chloroplasts are found in plant and algal cells

Main roles  Chloroplasts conducts photosynthesis  The photosynthetic pigment chlorophyll captures the energy from sunlight.  Chloroplasts stores the sunlight in the energy storage molecules ATP and NADPH while freeing oxygen from water.

ATP & NADPH  ATP synthase binds ADP and P together as the hydrogen atoms.  NADP+ accepts and carries two pairs of hydrogen atoms, while becoming NADPH.  ATP and NADPH goes to the Calvin Cycle and is taken in. NADP+ and ADP is released to the light dependent reactions.  Carbon dioxide is taken in, and glucose is released in the light independent reaction.

Thylakoids  Chloroplasts have thylakoids inside of them.  On the thylakoid membranes are photosynthetic pigments, including chlorophyll.

Three types of plastid.  Chromoplasts are variously colored plastids. Mostly in tin flowers and fruits.  Chloroplasts, the presence of chlorophyll causes it to have the green plastids.  Leucoplasts is colorless and store the food of the plant body in the form of starch, protein and lipids.