Match Each of the Following Elements to Its Description

question 36

Multiple Choice

Match each of the following elements to its description.
-Phosphorus (P)

• A)This element has 5 valence electrons and is a poison that can be found in drinking water.
• B)Having 8 protons, this element is essential for life.
• C)One of the only elements to exist as a liquid at room temperature, this is a dangerous environmental toxin that accumulates in fish.
• D)This element loses 2 electrons to form a +3 ion; not consuming enough of it can increase risk of osteoporosis.
• E)This element gains three electrons when forming an ion; it also helps form an essential source of energy for cells.
• F)This is one of the transition elements, and is essential for the function of the protein hemoglobin.

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Definitions:

Episodic Hormone Secretion

The pattern of hormone release in pulses or bursts, rather than continuously, to regulate various bodily functions.

Monthly Cycle

The menstrual cycle is a series of natural changes in hormone production and the structures of the uterus and ovaries of the female reproductive system.

Receptor Molecules

Proteins on the surface of cells or within cells that bind to specific molecules, triggering a response.

Target Cells

Cells that are specifically affected by hormones or other biochemical signals.