bio quiz 4.1-3

Chemical Energy is used by which types of cells?

• Plant Cells

• Animal Cells

• Bacteria Cells

• Archaebacteria Cells

Energy is released from an ATP molecule for cellular processes when it

• has a phosphate group removed.

• stores an extra phosphate group.

• converts a phosphate group to ADP.

• produces a sugar molecule.

Light is the source of energy in photosynthesis. What is the source of energy used in chemosynthesis?

• sunlight

• heat from hydrothermal vents

• chemical compounds

• amino acids

4) Which of the following statements best describes the process of photosynthesis?

• a) Plants use oxygen to make simple sugars.
• b) Chlorophyll builds sugars in the thylakoid membrane.
• c) Light breaks down water molecules and releases carbon dioxide.
• d) Chloroplasts absorb sunlight and store chemical energy.

5) What is the term for an organism that makes its own source of chemical energy?

• a) decomposer
• b) producer
• c) consumer
• d) protist

6) The main light-absorbing molecules found in plant leaves are called

• a) chloroplasts.
• b) thylakoids
• c) chlorophyll.
• d) grana.

7) The function of the light-dependent reactions is to

• a) build sugars.
• b) capture and transfer energy.
• c) release carbon dioxide.
• d) form water molecules.

8) The light-independent reactions of photosynthesis need

• a) carbon dioxide.
• b) oxygen.
• c) water.
• d) cellulose.

9) Where do the hydrogen ions for the photosystems of the light-dependent reactions come from?

• a) sugars
• b) sunlight
• c) acids
• d) water

10) Which phrase best describes the electron transport chain in photosynthesis?

• a) a chain of photosynthetic proteins located in the stroma
• b) a collection of enzymes used to make ADP
• c) a series of proteins located in the thylakoid membrane
• d) a group of enzymes that carries energy to the Calvin cycle