Cell Structure and Function: Unraveling the Basics of Life

Mr. W introduces cells, discussing their basic features, differences between eukaryotic and prokaryotic cells, and the cell theory. He explains cell size and structure, highlighting the components necessary for life. The video covers prokaryotic cells, their simplicity, and historical significance, followed by eukaryotic cells, their complexity, and examples. The cell theory is detailed, emphasizing that all living things are made of cells, cells are the basic units of life, and all cells come from pre-existing cells. The video concludes with resources for further learning.

What is the primary function of the cell membrane?

• To store genetic information

• To synthesize proteins

• To control what enters and leaves the cell

• To produce energy for the cell

Which of the following is NOT a characteristic of prokaryotic cells?

• Presence of a nucleus

• Lack of internal compartments

• Small size

• Circular chromosomes

What is the approximate size of the smallest prokaryotic cells?

• 1 millimeter

• 1 micrometer

• 5 micrometers

• 0.5 micrometers

What is a key feature that distinguishes eukaryotic cells from prokaryotic cells?

• Lack of ribosomes

• Ability to photosynthesize

• Presence of a membrane-bound nucleus

• Presence of a cell wall

Which organelle is responsible for producing ATP in eukaryotic cells?

• Mitochondria

• Chloroplast

• Ribosome

• Nucleus

Which of the following groups is NOT considered a eukaryote?

• Plants

• Animals

• Fungi

• Bacteria

Which of the following is a multicellular eukaryote?

• Algae

• Paramecium

• E. coli

• Virus

According to the cell theory, what is the basic unit of structure and function in living organisms?

• Molecule

• Cell

• Organ

• Tissue

What does the cell theory state about the origin of new cells?

• They are created by viruses

• They arise spontaneously

• They come from pre-existing cells

• They are formed from non-living matter

Where can you find additional resources to learn more about cells?

• Online forums

• Science Music Videos website

• Local library

• Biology textbook