Cell Structure and Function

Which scientist discovered the nucleus in plant cells?

• Antonie Von Leeuwenhoek
• Matthias Schleiden
• Theodore Schwann
• Robert Brown

Who was the first scientist to observe and describe a live cell?

• Robert Brown
• Matthias Schleiden
• Theodore Schwann
• Antonie Von Leeuwenhoek

Why is anything less than a complete cell not considered alive?

• It has DNA
• It has proteins
• It has energy
• It cannot function independently

Which of the following best describes unicellular organisms?

• Require other cells
• Are always dead
• Cannot reproduce
• Capable of independent existence

Which of the following is a function of the cytoplasm?

• Storage of waste
• Production of hormones
• Photosynthesis
• Site of metabolic reactions