unit 1 cc6

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Questions and Answers

What is the function of lysosomes?

Lysosomes break down cellular debris and foreign material with enzymes.

What is the function of mitochondria in a cell?

Mitochondria produce energy in the form of ATP.

What is the main function of chloroplasts in plant cells?

Chloroplasts carry out photosynthesis, converting light energy into chemical energy.

What do peroxisomes contain, and what is their function?

Peroxisomes contain enzymes that break down hydrogen peroxide and other reactive oxygen species. Signup and view all the answers

What is the function of the cytoskeleton in a cell?

The cytoskeleton provides support and structure to the cell, and is involved in cell movement and division. Signup and view all the answers

How do prokaryotic cells differ from eukaryotic cells?

Prokaryotic cells lack a true nucleus or organelles, and their genetic material is in the cytoplasm. Signup and view all the answers

What is the composition and function of the plasma membrane?

The plasma membrane is composed of a phospholipid bilayer and acts as a selectively permeable barrier. Signup and view all the answers

What is the composition and function of the cell wall in plant cells?

The cell wall is composed of cellulose and provides support and protection to plant cells. Signup and view all the answers

Name three functions of the cytoskeleton.

The cytoskeleton provides support, structure, and is involved in cell movement and division. Signup and view all the answers

What are the three types of filaments that compose the cytoskeleton, and what are their functions?

The cytoskeleton is composed of actin filaments, intermediate filaments, and microtubules. Actin filaments are involved in cell movement, shape, and division. Signup and view all the answers

What are intermediate filaments and where are they found?

Intermediate filaments are thicker than actin filaments and are found in all eukaryotic cells. Signup and view all the answers

What is the function of intermediate filaments in cells?

They are involved in providing support to the cell and are also important for cell-to-cell adhesion. Signup and view all the answers

Where can more information about intermediate filaments be found?

More information about intermediate filaments can be found at <a href="http://www.mechanobio.info">www.mechanobio.info</a>. Signup and view all the answers

What is the thickest type of filament?

Microtubules are the thickest of the three types of filaments. Signup and view all the answers

What is the function of microtubules?

The function of microtubules is not specified in the given text. Signup and view all the answers

What is the relationship between actin filaments and intermediate filaments in terms of thickness?

Intermediate filaments are thicker than actin filaments. Signup and view all the answers

What are the two functions of intermediate filaments in cells?

Providing support to the cell and cell-to-cell adhesion. Signup and view all the answers

Where are intermediate filaments found?

Intermediate filaments are found in all eukaryotic cells. Signup and view all the answers

What is the website where more information about intermediate filaments can be found?

<a href="http://www.mechanobio.info">www.mechanobio.info</a> Signup and view all the answers

What is the thickness relationship between microtubules and intermediate filaments?

Microtubules are thicker than intermediate filaments. Signup and view all the answers

What are the two main types of cells, and how do they differ from each other?

The two main types of cells are eukaryotic and prokaryotic. Eukaryotic cells are more complex and have a true nucleus, while prokaryotic cells do not have a true nucleus. Signup and view all the answers

Name two organelles found in eukaryotic cells and describe their functions.

Two organelles found in eukaryotic cells are the endoplasmic reticulum (ER) and the Golgi apparatus. The ER transports materials throughout the cell, while the Golgi apparatus modifies and packages proteins and lipids. Signup and view all the answers

What is the structure and function of the endoplasmic reticulum (ER) in eukaryotic cells?

The endoplasmic reticulum (ER) is a network of membranes that transport materials throughout the cell. Signup and view all the answers

Describe the structure and function of the Golgi apparatus in eukaryotic cells.

The Golgi apparatus is a series of flattened sacs that modify and package proteins and lipids. Signup and view all the answers

What are organelles, and how do they contribute to the function of eukaryotic cells?

Organelles are specialized structures within a cell that perform specific functions. They contribute to the overall function of eukaryotic cells by carrying out essential cellular processes. Signup and view all the answers

Differentiate between plant and animal cells in terms of organelles and cell structure.

Plant cells have additional organelles like chloroplasts and a cell wall, which are not present in animal cells. Signup and view all the answers

How do eukaryotic cells differ from prokaryotic cells?

Eukaryotic cells are more complex and have a true nucleus, while prokaryotic cells lack a true nucleus. Signup and view all the answers

Explain the significance of the nucleus in eukaryotic cells.

The nucleus in eukaryotic cells houses the cell's genetic material, which is crucial for controlling cellular activities and inheritance. Signup and view all the answers

What is the main function of the cell's genetic material in eukaryotic cells?

The genetic material in eukaryotic cells contains the instructions for cellular activities and inheritance, playing a vital role in the cell's function and reproduction. Signup and view all the answers

How do the structures of eukaryotic cells contribute to their complexity and functionality?

Eukaryotic cells have a variety of organelles and a true nucleus, which contribute to their complexity and enable them to perform diverse functions within an organism. Signup and view all the answers

What are the two main types of cells mentioned in the text?

Eukaryotic and prokaryotic cells Signup and view all the answers

What is the main difference between eukaryotic and prokaryotic cells?

Eukaryotic cells have a true nucleus and are more complex than prokaryotic cells Signup and view all the answers

What is the function of the endoplasmic reticulum (ER) in eukaryotic cells?

The ER transports materials throughout the cell Signup and view all the answers

What are organelles in eukaryotic cells?

Specialized structures that perform specific functions Signup and view all the answers

What is the function of the Golgi apparatus in eukaryotic cells?

The Golgi apparatus modifies and packages proteins and lipids Signup and view all the answers

Name one source from which the text provides information about the endoplasmic reticulum (ER)

<a href="http://www.britannica.com">www.britannica.com</a> Signup and view all the answers

Name one source from which the text provides information about the Golgi apparatus

britannica.com Signup and view all the answers

What is the image in the text showing related to the endoplasmic reticulum (ER)?

The image is related to the endoplasmic reticulum (ER) Signup and view all the answers

What is the image in the text showing related to the Golgi apparatus?

The image is related to the Golgi apparatus Signup and view all the answers

What is the function of the nucleus in eukaryotic cells?

The nucleus houses the cell's genetic material Signup and view all the answers

Study Notes

Cell Organelles and Structures Summary

Lysosomes are saccules containing enzymes that break down cellular debris and foreign material.
Mitochondria are the powerhouses of the cell, producing energy in the form of ATP.
Chloroplasts, found in plant cells, carry out photosynthesis, converting light energy into chemical energy.
Peroxisomes contain enzymes that break down hydrogen peroxide and other reactive oxygen species.
The cytoskeleton is a network of filaments providing support and structure to the cell.
Prokaryotic cells lack a true nucleus or organelles, and have genetic material in the cytoplasm.
The plasma membrane is a selectively permeable barrier composed of a phospholipid bilayer.
The cell wall, composed of cellulose, provides support and protection to plant cells.
Mitochondria produce ATP, chloroplasts carry out photosynthesis, and peroxisomes break down hydrogen peroxide.
The cytoskeleton is composed of actin filaments, intermediate filaments, and microtubules, involved in cell movement and division.
Actin filaments, the thinnest of the three types of filaments, are involved in cell movement, shape, and division.
The cytoskeleton is also involved in cell movement, cell shape, and cell division.

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