Carbon Dioxide Is Split to Form Oxygen Gas and Carbon

question 32

Multiple Choice

Carbon dioxide is split to form oxygen gas and carbon compounds in which of the following metabolic pathways?

• A) only photosynthesis
• B) only respiration
• C) photosynthesis and respiration
• D) neither photosynthesis nor respiration

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Definitions:

Nodes of Ranvier

Gaps in the myelin sheath of nerve fibers, which facilitate rapid conduction of nerve impulses along axons by allowing the impulses to jump from one node to the next.

Myelination

The process of forming a myelin sheath around a nerve to increase the speed at which electrical impulses propagate along the nerve fiber.

Dendritic Spines

Small protrusions on dendrites of neurons that receive signals from other neurons and are key to synaptic strength and learning.

Axon Terminals

The very end of a branch of a nerve's axon, a long slender nerve fiber that conducts electrical signals to a nerve synapse.