An Excretory System That Is Partly Based on the Filtration

question 119

Multiple Choice

An excretory system that is partly based on the filtration of fluid under high hydrostatic pressure is the

• A) flame bulb system of flatworms.
• B) protonephridia of flatworms.
• C) Malpighian tubules of insects.
• D) kidneys of vertebrates.

---

Definitions:

Glycerol

A 3-carbon alcohol with a hydroxyl group on each carbon; a component of triacylglycerols and phospholipids, as well as monoacylglycerols and diacylglycerols

Monosaccharides

Simple sugars that are the most basic form of carbohydrates.

Tertiary Structure

The three-dimensional structure of a protein molecule formed by bends and folds that are stabilized by various bonds and interactions among amino acids.

Protein Molecule

A large, complex molecule made up of one or more chains of amino acids, essential for the structure, function, and regulation of the body's tissues and organs.