Cell Structure and Function Quiz
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Questions and Answers

What is the function of cytoplasm in a cell?

Contains cellular contents, site of many chemical reactions

What is the fluid portion of cytoplasm called and what does it contain?

Cytosol; water, ions, glucose, amino acids, etc.

Where are ribosomes located in a cell and what is their primary function?

Floating in cytoplasm and attached to the endoplasmic reticulum; make proteins for the cell

What is the function of mitochondria in a cell?

<p>Convert food into energy for the cell</p> Signup and view all the answers

What is the role of lysosomes in a cell?

<p>Contain chemicals that break down materials in the cell</p> Signup and view all the answers

What is the function of endoplasmic reticulum in a cell?

<p>Carries proteins and materials from one part of the cell to another</p> Signup and view all the answers

What is the principal parts of a cell?

<p>Plasma membrane, Nucleus, and Cytoplasm (+ its organelles)</p> Signup and view all the answers

What is the function of the plasma membrane?

<p>Acts as a barrier, controls flow of substances, helps identify the cell to other cells</p> Signup and view all the answers

What is the structure of the plasma membrane composed of?

<p>Lipids (Phospholipids, Cholesterol, Glycolipids) and Proteins (Integral and Peripheral)</p> Signup and view all the answers

Why is the plasma membrane referred to as a phospholipid bilayer?

<p>Because it is made up of 2 layers of phospholipids</p> Signup and view all the answers

What are the functions of the plasma membrane?

<p>Acts as a barrier, controls flow of substances, helps identify the cell to other cells</p> Signup and view all the answers

How does the plasma membrane regulate the flow of materials into and out of a cell?

<p>It is a selective barrier, allowing some molecules to cross while excluding others</p> Signup and view all the answers

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