Relate Cause and Effect: Hooke's discovery would have been impossible without a microscope because:

the microscope allowed him to see tiny structures not visible to the naked eye.

the microscope made objects larger than they actually are.

the microscope was used to draw pictures of cells.

the microscope was invented by Hooke himself.

To which part of the cell theory did Virchow contribute?

That the cell comes or multiplies from other cells.

That all living things are made of cells.

That cells are the basic unit of life.

That cells contain hereditary information.

Predict what would happen if the object on the slide were too thick for light to pass through it.

No light would pass through the object.

The object would become transparent.

The object would reflect all light.

The object would magnify the light.

What was important about Hooke's work?

It led to the discovery of cells.

It explained the laws of motion.

It developed the theory of evolution.

Leeuwenhoek's observations revealed:

the existence of microscopic life forms

In Photo A, you can see the millimeter markings of a metric ruler in the field of the microscope. What is the approximate diameter of the field?

The approximate diameter of the field is about 4 millimeters (based on the visible ruler in Photo A).

The approximate diameter of the field is about 1 millimeter (based on the visible ruler in Photo A).

The approximate diameter of the field is about 10 millimeters (based on the visible ruler in Photo A).

The approximate diameter of the field is about 0.5 millimeters (based on the visible ruler in Photo A).

Estimate: Use your measurement from Step 1 to estimate the width of the letter in Photo B. (Use the image of Photo B for reference.)

The width of the letter 'e' in Photo B is approximately 2 millimeters (based on the scale from Step 1).

The width of the letter 'e' in Photo B is approximately 5 millimeters (based on the scale from Step 1).

The width of the letter 'e' in Photo B is approximately 10 millimeters (based on the scale from Step 1).

The width of the letter 'e' in Photo B is approximately 0.5 millimeters (based on the scale from Step 1).

Using a metric ruler, measure the letter 'e' in a word on this page and in Photo B. Then calculate the magnification in the photo.

Magnification = (width of 'e' in Photo B) / (width of 'e' on the page). For example, if the 'e' on the page is 1 mm and in Photo B is 2 mm, magnification is 2x.

Magnification = (width of 'e' on the page) / (width of 'e' in Photo B). For example, if the 'e' on the page is 2 mm and in Photo B is 1 mm, magnification is 0.5x.

Magnification = (width of 'e' in Photo B) + (width of 'e' on the page). For example, if the 'e' on the page is 1 mm and in Photo B is 2 mm, magnification is 3x.

Magnification = (width of 'e' in Photo B) - (width of 'e' on the page). For example, if the 'e' on the page is 2 mm and in Photo B is 1 mm, magnification is 1x.

What color dots does improved resolution allow you to see in the photograph shown in Figure 5?

Improved resolution allows you to see red, yellow, blue, and black dots.

Improved resolution allows you to see only green and purple dots.

Improved resolution allows you to see only white and gray dots.

Improved resolution allows you to see orange, pink, and brown dots.

Which of the following are details you can see in the photo of the dust mite?

It has multiple legs, a segmented body, and fine hairs.

It has wings, a long tail, and antennae.

It is covered in scales, has a beak, and feathers.

It has fins, gills, and a streamlined body.

Magnification and resolution are different because magnification refers to how much larger an object appears, while resolution refers to how clearly the details of the object can be seen.

Magnification is about making objects appear larger, while resolution is about how clearly details can be seen.

Magnification and resolution both mean making objects appear larger.

Resolution is about making objects appear larger, while magnification is about clarity.

Magnification and resolution are the same thing.

The characteristics of electron microscopes that make them useful for studying cells include:

Their ability to provide much higher magnification and resolution than light microscopes.

Their use of visible light to observe living cells in real time.

Their portability and ease of use in field studies.

Their ability to stain cells with dyes for better visualization.

Which of the following best describes the main idea about specialized cells?

Specialized cells have specific functions that help organisms survive.

Specialized cells are all identical in structure and function.

Specialized cells do not contribute to the survival of organisms.

Specialized cells are only found in plants.

Many cells in plants and animals carry out specialized functions. Draw Conclusions: Write the number of each kind of cell in the circle of the matching function.

Animal cells that can bend and squeeze easily through narrow spaces

Plant root cells that can absorb water and minerals from the soil

Animal cells that can relay information to other cells

Staining is useful when studying cells through a microscope because:

it makes cell structures more visible

it increases the size of the cells

it changes the function of the cells

it prevents cells from dividing

Looking through a microscope allows you to see which of the following?

Tiny details of objects not visible to the naked eye

What is the function of the cell wall in plant cells?

The cell wall helps protect and support the cell.

It produces energy for the cell.

It controls the movement of substances in and out of the cell.

What does the cell membrane control in a cell?

The cell membrane controls which substances pass into and out of a cell.

The cell membrane produces energy for the cell.

The cell membrane stores genetic information.

The cell membrane is responsible for cell division.

What is the function of the nucleus?

The nucleus controls the activities of the cell and contains genetic material.

The nucleus produces energy for the cell.

The nucleus digests waste materials in the cell.

The nucleus helps the cell move.

What is the function of mitochondria?

Mitochondria are the powerhouses of the cell, producing energy.

Mitochondria are responsible for protein synthesis in the cell.

Mitochondria store genetic information for the cell.

Mitochondria control the movement of substances in and out of the cell.

What is the function of ribosomes?

Ribosomes are responsible for protein synthesis.

Ribosomes store genetic information.

Ribosomes produce energy through cellular respiration.

Ribosomes transport materials within the cell.

What does the nuclear envelope do?

Material pass in and out of the nucleus through pores in the nuclear envelope.

It produces energy for the cell.

What is the function of the Endoplasmic Reticulum in a cell?

Helps move protein and other substances.

What is the function of the Cell Wall in a plant cell?

Surrounds cell and gives it or might hold its shape.

Controls the movement of substances in and out of the nucleus.

What is the function of the Chloroplast in a plant cell? (Fill in the blank)

Make food in cell using energy from sunlight.

Store genetic information for the cell.

Control the movement of substances in and out of the cell.

Break down waste materials and cellular debris.

What is the function of the Vacuole in a plant cell?

Store water, food, waste, and materials.

Define: The Golgi apparatus is an organelle that ______ and ______ materials made in the ______.

transports, synthesizes, nucleus

breaks down, absorbs, cytoplasm

Discovering Cells

Authored by Katherine Smith

English

1st Grade

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Leeuwenhoek was so excited about what he saw because:

he discovered tiny living organisms never seen before

he found a new planet

he invented the first telescope

he saw colors for the first time

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

life

energy

matter

water

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Discovering Cells

Leeuwenhoek was so excited about what he saw because:

Vocabulary: What is the term for the basic unit of life?

Classify: On each blank arrow, write the name of a material that moves as shown. Food: _______

Classify: On each blank arrow, write the name of a material that moves as shown. Water: _______

Classify: On each blank arrow, write the name of a material that moves as shown. Oxygen: _______

Classify: On each blank arrow, write the name of a material that moves as shown. Carbon dioxide: _______

Assess Your Understanding: I get it! Now I know that a cell is the basic unit of _______.

Fill in the circle next to the name of the person who was the first to see living cells through a microscope.

Relate Cause and Effect: Hooke's discovery would have been impossible without a microscope because:

Apply Concepts: According to Virchow's ideas, plastic plants and stuffed animals are not alive because they do not have what?

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