​The Close Relationship Between ____ and Animals Can Be Seen

question 10

Multiple Choice

​The close relationship between ____ and animals can be seen in the similarity of these protists and sponges, simple animals.

• A) ​cellular slime molds
• B) ​choanoflagellates
• C) ​diatoms
• D) ​brown and red algae
• E) ​flagellates protozoans

---

Definitions:

Cholesterol

A waxy type of lipid that is essential for the formation of cell membranes, certain hormones, and is involved in other biological functions, but high levels may lead to heart disease.

Phospholipid

A type of lipid molecule that is a major component of cell membranes, made up of two fatty acids, a phosphate group, and a glycerol backbone.

Protein

Large, complex molecules made up of amino acids that perform a vast array of functions including structural, enzymatic, and regulatory roles in cells.

Hypotonic Solution

A solution that has a lower concentration of solutes relative to another solution, causing cells to swell as water moves inside them.