Cell Structure Lesson 1 & 2 Review Quiz

Before a new medicine is approved, scientists study the effects the medicine has on different parts of the body. Often, a medicine is tested on mice before it is tested on humans. All the cells in the illustration below came from the same mouse. If all of these cells are mouse cells, why do they look so different from each other?

• Cells change shape as they get older.

• Different cells specialize in different functions.

• Each kind of cell is from a different organ system.

• Different-shaped cells came from different ancestors.

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Select the words that correctly complete the sentences. Alicia volunteered to become an organ and tissue donor when she got her state ID. If Alicia dies, she can help to improve others’ lives. Her heart tissue, skin, bones, and veins can all be transplanted into a patient in need. A group of similar ____________ make up a tissue. Several tissues make up an ___________.

• cells, organ

• organ systems, organism

• organelles, organelle

• molecules, organ system

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Improvements in technology over centuries enabled scientists to develop cell theory. Select the statement that came 1st in the history of Cell Theory.

• 1. Scientists had very little idea of the structure of organisms.

• 2. Leeuwenhoek and Hooke used microscopes to observe cells in dead plants and tiny organisms swimming in water.

• 3. Schleiden and Schwann concluded after many observations that all plants and animals are made of cells.

• 4. Electron microscopes enabled scientists to see cells in great detail.

Improvements in technology over centuries enabled scientists to develop cell theory. Select the statement that came 2nd in the history of Cell Theory.

• Scientists had very little idea of the structure of organisms.

• Electron microscopes enabled scientists to see cells in great detail.

• Leewenhoek and Hooke used microscopes to observe cells in dead plants and tiny organisms swimming in water

• Scleiden and Schwann concluded after many observations that all plants and animals are made of cells.

Improvements in technology over centuries enabled scientists to develop cell theory. Select the statement that came 3rd in the history of Cell Theory.

• Leewenhoek and Hooke used microscopes to observe cells in dead plants and tiny organisms swimming in water

• Electron microscopes enabled scientists to see cells in great detail.

• Scientists had very little idea of the structure of organisms.

• Scleiden and Schwann concluded after many observations that all plants and animals are made of cells.

Improvements in technology over centuries enabled scientists to develop cell theory. Select the statement that came 4th in the history of Cell Theory.

• Leewenhoek and Hooke used microscopes to observe cells in dead plants and tiny organisms swimming in water

• Electron microscopes enabled scientists to see cells in great detail.

• Scientists had very little idea of the structure of organisms.

• Scleiden and Schwann concluded after many observations that all plants and animals are made of cells.

Several kinds of specialized cells work together to create the sense of hearing. Hair-shaped cells sense vibrations and nerve cells send signals to the brain. Structural cells hold the hair cells in place. No matter their specialty, which functions must all cells perform to survive? Choose the three statements that apply.

• helping to produce a new organism

• bringing in nutrients and water

• conducting nerve signals

• getting rid of wastes

• obtaining energy

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The image shows a diagram of a chloroplast, which captures light energy from the sun. In what types of cells would you expect to find these organelles?

• a human cell

• a plant cell

• a bird cell

• a fungus cell

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Plant cells and animal cells both contain a structure that forms the boundary that controls what enters and leaves the cell. What is the name of this structure?

• nucleus

• chloroplast

• cell membrane

• cell wall

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Living things have certain basic needs for survival, including water, food, and air. Unlike plants, animals cannot make their own food. They must eat other plants or animals to obtain the _______________ stored in the food.

• energy

• water

• oxygen

• minerals