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COPY: Chapter 3: Cells and Tissues Anatomy

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COPY: Chapter 3: Cells and Tissues Anatomy

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Questions and Answers

What is the function of the nucleus in a cell?

Produce energy for the cell

Control the movement of materials in and out of the cell

Store genetic material (correct)

Break down waste materials

Which structure is responsible for producing ribosomes in the nucleus?

Nucleolus (correct)

Chromatin

Plasma membrane

Nuclear membrane

What is the main function of the nuclear membrane?

Act as a barrier for the nucleus (correct)

Store genetic material

Produce energy for the cell

Control the movement of materials in and out of the cell

Which region of the cell contains the genetic material (DNA)?

Nucleus (C) Signup and view all the answers

What are tissues made up of?

Groups of cells that are similar in structure and function (C) Signup and view all the answers

What are cells considered to be?

Building blocks of all living things (B) Signup and view all the answers

Where is chromatin located?

Scattered throughout the nucleus (C) Signup and view all the answers

What is the function of microvilli?

Increase surface area for absorption (B) Signup and view all the answers

What is the main function of ribosomes?

Sites of protein synthesis (A) Signup and view all the answers

Where are free ribosomes found?

Free in the cytoplasm (B) Signup and view all the answers

What is the main function of the smooth endoplasmic reticulum?

Functions in cholesterol synthesis and breakdown, fat metabolism, and detoxification of drugs (D) Signup and view all the answers

What is the main function of the Golgi apparatus?

Modifies and packages proteins (C) Signup and view all the answers

Where are lysosomes located?

Within the cytoplasm (A) Signup and view all the answers

What is the main function of peroxisomes?

Detoxify harmful substances and break down free radicals (B) Signup and view all the answers

What is the main function of desmosomes?

Anchor cells together (D) Signup and view all the answers

What do gap junctions do?

Allow communication and passage of small molecules between cells (B) Signup and view all the answers