5 Written Questions

1. A plastid containing chlorophyll; the site of photosynthesis.
2. nicotinamide adenine dinucleotide phosphate; an organic molecule that accepts electrons during redox reactions.
3. In plants, a compound that absorbs light and imparts color.
4. A light-absorbing compound that functions as an accessory pigment in photosynthesis.
5. The portion of sunlight perceived by the human eye as various colors.

5 Matching Questions

1. wavelength
2. autotroph
3. adenosine diphosphate (ADP)
4. photosystem
5. biochemical pathway

1. a An organism that uses energy to synthesis organic molecules from inorganic substances.
2. b A substance involved in energy metabolism formed by the breakdown of adenosine triphosphate.
3. c A series of chemical reactions in which the product of one reaction is consumed in the next reaction.
4. d The distance between crests in a wave.
5. e In plants, a unit of several hundred chlorophyll molecules and carotenoid pigment molecules in the thylakoid membrane

5 Multiple Choice Questions

1. In plants, the solution that surrounds the thylakoids in a chloroplast.
   1. product
   2. stroma
   3. granum
   4. autotroph
2. A compound formed by a chemical reaction.
   1. product
   2. granum
   3. pigment
   4. NADP+
3. A compound or atom involved in a chemical reaction.
   1. NADP+
   2. reactant
   3. pigment
   4. stroma
4. A process in chloroplasts and mitochondria in which the movement of protons down their concentration gradient across a membrane is coupled to the synthesis of ATP.
   1. chemiosmosis
   2. chlorophyll
   3. chloroplast
   4. photosynthesis
5. One of many small pores usually located on the underside of a leaf; aids in gas exchange.
   1. biochemical pathway
   2. autotroph
   3. stoma (stomata - plural)
   4. ATP synthase

5 True/False Questions

1. photosynthesis → The conversion of light energy into chemical energy stored in organic compounds.

   True        False

2. chlorophyll → A class of light-absorbing pigments used in photosynthesis.

   True        False

3. accessory pigment → In plants, a compound that absorbs light and imparts color.

   True        False

4. carbon fixation → The incorporation of carbon dioxide into organic compounds.

   True        False

5. electron transport chain → Molecules in the thylakoid membrane or inner mitochondrial membrane that uses some of the energy in electrons to pump protons across the membrane.

   True        False