Cell Structure and Function Concepts

This video provides an overview of cell structure, starting with the historical and modern cell theory, which outlines the fundamental principles of cell biology. It then delves into the components of eukaryotic animal cells, including the cell membrane, nucleus, cytoplasm, cytoskeleton, and various organelles like mitochondria, ribosomes, endoplasmic reticulum, Golgi apparatus, and lysosomes. The video emphasizes the importance of understanding cell structure to comprehend the function and makeup of organisms.

Which of the following is NOT a part of the historical cell theory?

• All living things are made of cells.

• Cells are the basic unit of life.

• Cells can arise spontaneously.

• Cells come from pre-existing cells.

What is the primary function of the cell membrane?

• To store genetic information.

• To control what enters and exits the cell.

• To produce energy for the cell.

• To synthesize proteins.

What is the role of the nuclear lamina?

• To store energy.

• To transport molecules across the cell membrane.

• To provide structure and stability to the nuclear membrane.

• To synthesize proteins.

Which component of the cytoskeleton is the largest?

• Microtubules

• Intermediate filaments

• Nuclear lamina

• Microfilaments

What is the primary composition of the cytoplasm?

• Proteins and lipids

• Water and salt

• Carbohydrates and fats

• DNA and RNA

Which organelle is known as the powerhouse of the cell?

• Lysosome

• Golgi apparatus

• Mitochondrion

• Ribosome

What is the primary function of ribosomes?

• To digest cellular waste

• To store genetic information

• To synthesize proteins

• To produce energy

What distinguishes rough ER from smooth ER?

• Location within the cell

• Type of lipids present

• Shape of the organelle

• Presence of ribosomes

What is the function of the Golgi apparatus?

• To synthesize lipids

• To modify and package proteins

• To produce ATP

• To store calcium ions

What is the role of lysosomes in the cell?

• To synthesize proteins

• To transport molecules

• To store genetic material

• To digest cellular waste