What is the basic unit of structure and function in all living things?
Cells
Who discovered cells?
What part of the cell controls what enters and leaves
Cell membrane
What process allows plants to capture energy from the sun?
Photosynthesis
What is a tumor?
A mass of abnormal cells
Cells help keep organisms alive by doing important _________.
Processes
What material did Robert Hooke first observe?
Cork
What is the control center of the cell?
Nucleus
How many stages are in Photosynthesis?
2
What causes Cancer?
Damaged DNA
Cells are usually very ____ in size.
small
Who said all animals are made of cells?
Schwann
Which organelle is the "powerhouse" of the cell?
Mitochondria
What happens during Stage 1 of Photosynthesis?
Energy from light is captured
Why do multicellular organisms need mitosis?
Growth and repair
About how many cells are in one square centimeter of skin?
100,000
According to cell theory, new cells come from ______?
Pre-existing cells
What organelles makes proteins?
Ribosomes
What happens during Stage 2 of Photosynthesis?
Energy is used to make food
What stage happens before Mitosis begins?
Interphase
Why do different organisms have different structures?
Their cells are different
Who said all plants are made of cells?
Schleiden
Which organelle packages and distributes materials
Golgi Body
Photosynthesis happens in which type of organism?
Plants
What process makes two identical daughter cells?
Mitosis