From Which Fusion Reaction Does the Sun Derive Its Power

question 13

Multiple Choice

From which fusion reaction does the Sun derive its power?

• A) ⁴He→ O
• B) ²H→ He
• C) ³He→ C
• D) ⁴H→ He

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Definitions:

Phospholipids

A class of lipids that are a major component of all cell membranes as they can form lipid bilayers.

cAMP

Cyclic adenosine monophosphate, a second messenger important in many biological processes that transmits cellular signals by activating protein kinases.

G Protein-linked Receptors

A large family of cell surface receptors that detect molecules outside the cell and activate internal signal transduction pathways and cellular responses.

Transmembrane Proteins

Proteins that span the entirety of a cell membrane, facilitating a variety of functions including signaling and transport across the membrane.