Which Element Is Found as a Contaminant in Lipsticks,soap,some Antibiotics,and

question 17

Multiple Choice

Which element is found as a contaminant in lipsticks,soap,some antibiotics,and gastric antacids?

• A)cobalt
• B)arsenic
• C)silicon
• D)boron

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Definitions:

Free Hormones

Hormones that are not bound to carrier proteins in the blood, making them biologically active and able to interact with target cells.

Alpha Subunit-GTP

A component of G-protein involved in signal transduction across the cell membrane that becomes active when bound to GTP.

G-protein Subunits

Components of G-proteins, which are involved in transmitting signals from cell surface receptors to internal cellular effectors.

GDP

Gross Domestic Product; a measure of the economic production and growth of a country, representing the total value of all goods and services produced over a specific time period.