Phospholipid

Phospholipid

Assessment

Interactive Video

Science, Biology, Chemistry

6th - 12th Grade

Hard

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Lipid molecules are generally hydrophobic, meaning they repel water. However, phospholipids have a phosphate group that makes one end hydrophilic, allowing them to interact with water. This dual property is crucial for their role in biological systems, such as forming the structure of cell membranes.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What characteristic of lipid molecules causes them to repel water?

Hydrophobic nature

Hydrophilic nature

Polar nature

Amphipathic nature

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What component of phospholipids makes one end of the molecule hydrophilic?

Fatty acid chains

Cholesterol

Glycerol backbone

Phosphate group

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why do phospholipids have mixed properties?

They are non-polar

They are entirely hydrophilic

They are entirely hydrophobic

They contain both hydrophobic and hydrophilic regions

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is one of the key roles of phospholipids in biological systems?

Forming cell membranes

Hormone production

DNA replication

Energy storage

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following structures is primarily composed of phospholipids?

Nucleus

Cell membrane

Cell wall

Mitochondria