A2.2 Cell Structure

Question 1

Cell Theory

Answer 1

1. All living things are made of cells.
2. Cells are the smallest units of life
3. All cells come from pre existing cells

Question 2

Exceptions to Cell Theory

Answer 2

1. Skeletal Muscle: Multinucleated Cells
2. Giant Algae: Expected to be multicellular bc up to 100mm in length but is unicellular
3. Aseptic Fungi: Hyphae is multinucleated
4. Phloem: Sieve tube element and companion cell -> Has no nucleus and minimal cellular content
5. Red blood cell: Biconcave and has no nucleus