1.17 ENERGY FOR METABOLIC REACTIONS/dna

Which statement is NOT true of energy?

• capacity to change something

• ability to do work

• Most metabolic reactions use mechanical energy

• comes in the form of heat, light, sound, electrical, mechanical,and chemical

When you burn something how is the energy released?

• chemical bonds are created

• light & heat

• by chemical energy

• by oxidation

What percentage of of energy is not captured by the cells when bonds are broken?

• 100%

• 50%

• 40%

• 60%

What percentage of energy is released as heat which maintains body temperature?

• 40%

• 50%

• 60%

• 100%

Of the three phosphates used in ATP energy release, how many of them are high energy?

• all are high energy

• only one is high energy

• two are high energy

• all statements are true

What needs to happen for ADP to become ATP

• removal of one phosphate group

• addition of three phosphate groups

• replacing a phosphate

• Oxidation

Which of the following reactions is not a part of the series of reactions in cellular respiration

• glycolysis

• the cell cycle

• electron transport chain

• citric acid cycle

• all statements are true

Which of the following is required for cellular respiration?

• Carbon dioxide

• water

• energy

• None of these are required for cellular respiration

How many more atoms of carbon does glucose have than pyruvic acid?

• One

• two

• three

• six

Why is glycolysis considered a anaerobic?

• because it requires oxygen

• because it is broken down into pyruvic acid

• No O2

• because aerobic reactions do not require oxygen