quiz review

Which process converts carbon dioxide, water, and sunlight into sugar and oxygen?

• Cell respiration

• Nucleus

• Chlorosynthesis

• Photosynthesis

What is the energy transformation that occurs in photosynthesis?

• Light energy to Chemical energy

• Light energy to Electrical energy

• Chemical energy to Light Energy

Which organelle and process converts chemical energy stored in sugar into ATP?

• Chloroplasts via Photosynthesis

• Mitochondria via Carbon cycle

• Photosynthesis via Chloroplasts

• Mitochondria via Cellular Respiration

Substance removed by autotrophs from their environment:

• CO2

• O2

• C6H12O6

Which biological process is represented in the diagram below?

• photosynthesis

• respiration

• digestion

• replication

The diagram below shows specialized plant cells that control openings called stomates. The proper function of these cells is vital to the survival of the plant because they regulate the

• rate of glucose use by root cells

• absorption of sunlight by leaf cells

• products of photosynthesis in the stem

• exchange of gases in leaves

Substance X directly supplies energy for various life functions, as shown in the diagram below. Which substance is represented by X in the diagram?

• ATP

• DNA

• starch

• glucose

Lymphatic capillaries are found throughout the body. Both the lymphatic and circulatory systems transport substances between the bloodstream and body tissues. These two systems are also involved in fighting infections. The arrows shown in the diagram that go from the blood capillaries to the interstitial fluid most likely represent the

• release of red blood cells, so that they can diffuse into body cells and fight bacteria

• movement of materials from the circulatory system that will eventually enter lymphatic capillaries

• transport of digestive enzymes from the blood to help with the digestion of glucose in muscle cells

• transport of glucose molecules from the blood to be used by cells to attack proteins and fats

It may be harmful when people compete to see who can hold their breath the longest under water. Without oxygen, brain cells

• cannot make enough ATP

• have too few mitochondria

• make too many enzymes

• have too much water

Students did an experiment comparing the activity of four different enzymes, A, B, C, and D. The results are represented in the graph below. A valid conclusion based on the information in the graph is that

• the pH of some enzymes changes as the temperature changes

• enzymes change color in proportion to the rate of activity

• a difference in the pH of an environment changes enzyme activity

• enzyme activity causes acids to change into bases over time