Which of the Following Is Becoming One of the World's

question 25

Multiple Choice

Which of the following is becoming one of the world's most precious commodities?

• A) Ebusiness
• B) Energy
• C) Currency
• D) Time

---

Definitions:

Collecting Duct

Duct within the kidney that receives fluid from several nephrons; the reabsorption of water occurs here.

Proximal Convoluted Tubule

Portion of a nephron following the glomerular capsule where tubular reabsorption of filtrate occurs.

Glomerular Filtrate

The fluid that is filtered from the blood through the glomeruli of the kidney during the formation of urine.

Metabolically Important Substances

Chemical compounds or elements that play crucial roles in the metabolic processes of organisms, including nutrients, enzymes, and hormones.