Biology Chapter: Cell Structure and Function

Play an AI-generated podcast conversation about this lesson

What is the primary function of the cell membrane?

To store genetic material

To synthesize proteins

To regulate the passage of materials (correct)

To provide structural support

What is cytoplasm made up of?

Ribosomes and chromatin

The nucleus and cell membrane

Organelles suspended in cytosol (correct)

Only organelles

Which component of the cell contains the genetic material?

Cytoplasm

Cell membrane

Nucleus (correct)

Ribosomes

What is the role of ribosomes within a cell?

To synthesize proteins Signup and view all the answers

What is the function of the nuclear envelope?

To separate the nucleus from the cytoplasm Signup and view all the answers

What is the main purpose of the endomembrane system?

Manufacturing, storing, distributing, and breaking down lipids and proteins Signup and view all the answers

Which part of the cell directs all activities, including protein synthesis?

Nucleus Signup and view all the answers

What is the gel-like substance that fills the cell called?

Cytosol Signup and view all the answers

What is the primary function of the Rough Endoplasmic Reticulum?

Protein synthesis for secretion Signup and view all the answers

Which of the following characteristics is true about Smooth Endoplasmic Reticulum?

It synthesizes lipids and detoxifies poisons Signup and view all the answers

What is the main role of the Golgi apparatus in the cell?

Sorting and packaging proteins and lipids Signup and view all the answers

What distinguishes vacuoles in plant cells from those in animal cells?

Animal cells have many small vacuoles and plants have a central vacuole Signup and view all the answers

Which organelle is described as a membrane-bound structure containing enzymes for material breakdown?

Lysosome Signup and view all the answers

Which of the following organelles is primarily involved in detoxification in cells?

Smooth Endoplasmic Reticulum Signup and view all the answers

What is a primary function of vesicles within cells?

Short-term storage and transport of proteins Signup and view all the answers

What role does the central vacuole serve in plant cells?

Regulates water concentration and supports cell structure Signup and view all the answers

What is the primary function of lysosomes within a cell?

Break down damaged or worn-out cell parts Signup and view all the answers

What distinguishes peroxisomes from lysosomes?

Digestive enzymes for breaking down toxic materials Signup and view all the answers

What role do centrioles play in the cell?

Aid in cell division by forming the mitotic spindle Signup and view all the answers

Which statement about cilia and flagella is true?

Both structures contain nine microtubule doublets arranged in a circle Signup and view all the answers

How do microfilaments primarily contribute to cellular function?

Enable cellular movement Signup and view all the answers

What is the largest structure among the three types of fibers in the cytoskeleton?

Microtubules Signup and view all the answers

Which of the following best describes the main purpose of the cytoskeleton?

To maintain the shape of the cell and organize organelles Signup and view all the answers

What key feature differentiates mitochondria from peroxisomes?

Generation of cellular energy through ATP Signup and view all the answers