Toxic Elements Such as Mercury and Arsenic Are Found in the Human

question 8

Multiple Choice

Toxic elements such as mercury and arsenic are found in the human body because

• A)of contamination from the environment.
• B)trace amounts of these elements have vital biological functions.
• C)they are needed to kill bacteria.
• D)they may be ingested with food but inactivated by cells.
• E)in small amounts they are biologically inactive and tolerated by cells.

Understand the physiological mechanisms behind taste perception.

Explain the inheritance and physiological basis of color vision and vision-related conditions.

Understand the capabilities and limitations of internet-based legal research.

Identify and utilize specialized legal research platforms such as Westlaw and Lexis.