The Martian Valley Valles Marineris Is Shown in Figure 8-27

question 108

Multiple Choice

The Martian valley Valles Marineris is shown in Figure 8-27 of the text. How long is this valley in terms of Earth distances?

• A) half the length of Earth's equator, about 20,000 km
• B) about 50 km, a significant distance on this small planet
• C) a few hundred kilometers-New York to Washington, DC
• D) the full width of the North American continent at midlatitudes-a few thousand kilometers

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Definitions:

Proteins

Large biomolecules consisting of one or more long chains of amino acid residues, crucial for the structure, function, and regulation of the body's tissues and organs.

Primary Structure

The sequence of amino acids in a protein, determining its shape and function.

Amino Acids

Natural substances that merge to create proteins, acting as essential components of life with diverse roles in metabolic processes.

Polypeptide Chain

A sequence of amino acids linked by peptide bonds, forming the primary structure of proteins.