The Cell

The video tutorial explains the fundamental aspects of cell theory, highlighting that all living things are composed of cells, which are the basic units of life. It describes the structure and function of cells, including the plasma membrane, DNA, and cytoplasm, and how these components support life. The tutorial also covers the classification of cells into prokaryotes and eukaryotes, noting their evolutionary history and differences. Finally, it emphasizes the diversity of cell structures and functions across different organisms.

What is the basic unit of life according to cell theory?

• Atoms

• Molecules

• Cells

• Tissues

Which part of the cell is responsible for controlling the flow of materials in and out?

• Cytoplasm

• Nucleus

• Plasma membrane

• Mitochondria

What is the primary role of DNA in a cell?

• Cellular respiration

• Genetic replication and protein production

• Waste removal

• Energy production

Which type of cell is simpler and appeared first in evolutionary history?

• Viruses

• Multicellular organisms

• Prokaryotes

• Eukaryotes

What is a characteristic of eukaryotic cells?

• Single-celled only

• No organelles

• Presence of a nucleus

• Lack of nucleus