Compared to the Critical Density of Matter, About How Much

question 88

Multiple Choice

Compared to the critical density of matter, about how much matter and dark energy is there?

• A)99% matter, 1% dark energy
• B)30% matter, 70% dark energy
• C)1% matter, 99% dark energy
• D)100% matter, 0% dark energy

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Definitions:

Carbohydrate

Organic compounds consisting of carbon, hydrogen, and oxygen, serving as a major source of energy in diets.

Lipid

A group of naturally occurring molecules that includes fats, waxes, sterols, fat-soluble vitamins (such as vitamins A, D, E, and K), monoglycerides, diglycerides, triglycerides, phospholipids, and others.

Nucleic Acid

A complex organic substance present in living cells, especially DNA or RNA, whose molecules consist of many nucleotides linked in a long chain, fundamental for the transmission of genetic information.

Protein

Large molecules composed of one or more long chains of amino acids, essential for the structure, function, and regulation of the body's cells, tissues, and organs.