Metabolism Winter 2023 March Break Review

In order to liberate energy, where are electrons ultimately moved to in cellular respiration?

• Glucose

• Carbon dioxide

• Water

• Oxygen

The diagram represents which type of reaction

• endothermic
• exothermic

The first law of thermodynamics states that energy is...

• created

• destroyed

• conserved

• created and destroyed

A metabolic pathway where chemicals are broken down is known as a _______ pathway.

What is the source of electrons in macromolecules that are used in cellular respiration?

• Carbon

• Hydrogen

• Oxygen

• Nitrogen

How is energy released in cellular respiration?

• Macromolecules are burned for heat

• Electrons are moved to more electronegative elements

• Macromolecules are directly made into ATP

• Oxygen is added to macromolecules

FAD is changed into ______ during metabolism.

What occurs when ATP becomes ADP?

• phosphate released / energy used

• phosphate used / energy released

• phosphate released / energy released

• phosphate used / energy released

What is ATP used for?

• It is recharged to be used later.

• As a backbone for DNA.

• Special cell actions that require large amounts of energy.

• Any cellular process requiring energy.

The movement of a phosphate group from a chemical to ADP is known as...

• Substrate-level phosphorylation

• Oxidative phosphorylation

• Photo-phosphorylation

• Alpha-phosphorylation