How Many Electron Pairs Are Shared Between the Two Carbon

question 25

Multiple Choice

How many electron pairs are shared between the two carbon atoms in a molecule that has the formula C₂H₄?

• A)0
• B)1
• C)2
• D)3
• E)4

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Definitions:

Electron Transfer Chains

Biological pathways through which electrons are transferred from electron donors to electron acceptors, playing a crucial role in cellular respiration and photosynthesis.

NADH

Nicotinamide adenine dinucleotide (NADH) is a coenzyme involved in redox reactions, carrying electrons from one reaction to another in cellular respiration.

FADH2

A reduced form of flavin adenine dinucleotide, a molecule that plays a crucial role in cellular respiration by transporting electrons.

Glycolysis

A metabolic pathway that breaks down glucose into pyruvate, releasing energy and pyruvic acid in the process, occurring in the cytoplasm of cells.