If the K_a of an Acid Is 1

question 41

Multiple Choice

If the K_a of an acid is 1.38 × 10^-7, what is the pK_a?

• A) 6.86
• B) 7.14
• C) 8.68
• D) 10.7
• E) 1.38

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Definitions:

Histones

Proteins that wrap around DNA to help form chromosomes.

Chromosomes

Forty-six tiny strands of DNA, found in the nucleus of each cell of the body, which are the source of biological inheritance.

Genes

Functional units or sections of DNA that provide a blueprint or code to the cell for how to produce proteins and enzymes. Found on chromosomes, they come in matching pairs, one from each parent.

Zygotes

The initial cell formed when a sperm cell fertilizes an egg cell, representing the earliest stage of development in many organisms.