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Cell Structure and Function - Introduction to Cell Biology

12 Questions

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Cell Structure and Function - Introduction to Cell Biology

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Questions and Answers

What is the principal function of the plasma membrane in a cell?

Act as the storage site for cellular nutrients

Regulate the flow of materials into and out of the cell (correct)

Provide structural support to the nucleus

Generate energy for cellular activities

What does the term 'phospholipid bilayer' refer to in relation to the plasma membrane structure?

It is composed of two layers of phospholipids (correct)

It consists of two layers of proteins

It forms a single layer surrounding the cell

It is made up of two layers of cholesterol molecules

Which cellular structure forms the flexible outer surface of a cell?

Plasma membrane (correct)

Nucleus

Cytoplasm

Glycolipids

What is the role of cholesterol in the plasma membrane structure?

Helps establish and maintain the appropriate cellular environment Signup and view all the answers

Which statement best describes the function of Glycolipids in the plasma membrane?

Identify the cell to other cells Signup and view all the answers

What is the primary role of Integral Proteins in the plasma membrane?

Facilitate the transport of molecules across the membrane Signup and view all the answers

Which organelle in an animal cell is known as the 'powerhouse'?

Mitochondria Signup and view all the answers

What is the function of lysosomes in a cell?

Break down materials in the cell Signup and view all the answers

Where are ribosomes primarily located in a cell?

In the cytoplasm Signup and view all the answers

Which cellular component carries proteins and other materials within the cell?

Endoplasmic Reticulum Signup and view all the answers

What is the main function of the cytosol in the cytoplasm?

Contain fluid portion of cytoplasm Signup and view all the answers

What is the function of peroxisomes in a cell?

Break down old cell parts Signup and view all the answers