The Bonding Forces Between Two DNA Strands in a Double

question 20

Multiple Choice

The bonding forces between two DNA strands in a double helix are

• A)peptide linkages.
• B)phosphate bonds.
• C)acetal bonds.
• D)hydrogen bonds.

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Definitions:

Hot Springs

Natural springs that discharge water heated by geothermal processes from the Earth's interior.

Planet's Formation

The process by which a planet forms from the gas and dust surrounding a young star, typically through the accretion of material.

Comets

Celestial objects composed of ice and dust that, when passing close to the sun, develop a visible coma (or atmosphere) and sometimes a tail.

Earth Processes

The dynamic and interrelated actions of physical and chemical phenomena that occur within the Earth's interior and on its surface, shaping the planet's geology.