Understanding Cells and Microscopic Innovations

What was the new technique used to treat Michelle's burns?

• Performing laser therapy

• Growing skin in the laboratory

• Using traditional skin grafts

• Applying herbal remedies

What is the magnification level of cells under a microscope as mentioned in the text?

• 100 times

• 300 times

• 200 times

• 500 times

Who is credited with first using the term 'cell' to describe the structures he saw in cork?

• Dr. Schleiden

• Robert Brown

• Dr. Schwann

• Robert Hooke

What discovery did Robert Brown make about cells?

• Cells are the basic building blocks of life

• Cells can reproduce

• Every cell contains a nucleus

• Cells can move

What theory did Dr. Schwann and Dr. Schleiden develop?

• Cells are impermeable

• Cells contain chloroplasts

• Cells can perform photosynthesis

• All living things are made of cells

What is the function of the cell membrane?

• Producing energy

• Storing food and water

• Connecting cells together

• Controlling what passes in and out of the cell

What is the primary function of chloroplasts in plant cells?

• Aiding in cell division

• Converting sunlight into energy

• Protecting the cell from pathogens

• Supporting the cell structure

What makes the cell walls of nettles strong?

• Calcium

• Cytoplasm

• Chlorophyll

• Cellulose

What is the primary role of root cells in plants?

• Absorbing water

• Supporting the plant

• Conducting photosynthesis

• Transporting nutrients

What did the invention of the microscope allow scientists to do for the first time?

• View cells and microorganisms

• Create synthetic materials

• Perform complex surgeries

• Develop vaccines