Day 2 : Introduction to the Cell- Sunshine 2025

What are cells?

• The building blocks of life

• A type of plant

• A kind of mineral

• A type of weather

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Choose two jobs that cells can perform.

• Making proteins and producing energy

• Making water and storing fat

• Producing light and creating sound

• Digesting food and absorbing oxygen

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Besides doing its own job, what other job must a cell perform in multicellular organisms?

• They must work with other cells to perform an overall job

• They must divide continuously without control

• They must function independently of all other cells

• They must only absorb nutrients for themselves

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What was Zacharias Janssen known for?

• Created the first microscope

• Discovered penicillin

• Invented the steam engine

• Developed the telephone

What was Robert Hooke known for and in what year?

• Studied cork and coined the term cells (1665)

• Discovered penicillin (1928)

• Developed the theory of relativity (1905)

• Invented the microscope (1590)

What was Anton Von Leeuwenhoek known for and in what year?

• Studied microorganisms called animalcules (1647)

• Discovered the structure of DNA (1953)

• Invented the steam engine (1712)

• Developed the theory of relativity (1905)

What was Matthias Schleiden known for and in what year?

• All plants are composed of cells (1838)

• Discovered the nucleus in animal cells (1831)

• Proposed the theory of evolution (1859)

• Discovered penicillin (1928)

What was Theodore Schwann known for and in what year?

• All animals are composed of cells (1839)

• Discovered the nucleus in plant cells (1831)

• Proposed the theory of evolution (1859)

• Discovered penicillin (1928)

What was Rudolph Virchow known for and in what year?

• All cells come from pre-existing cells (1855)

• Discovered the cell nucleus (1831)

• Proposed the endosymbiotic theory (1970)

• Discovered penicillin (1928)

Name one modern addition to the cell theory.

• Energy flow occurs within cells OR Genetic information is passed from one cell to another OR All cells have the same basic chemical composition

• Cells are only found in animals

• Cells do not contain genetic material

• All living things are made of non-cellular material

• Cells can survive without energy flow