What is the purpose of the cell wall in a plant cell?
To absorb sunlight.
To give the cell a rigid, supportive structure.
To help transport water and minerals.
To store energy.
Why is it important for the body to have a variety of specialized cells? **hint** Think about how a team works together to achieve a goal.
To allow for the efficient completion of complex tasks.
So that each cell can perform all of the body's functions
To make the body look more colorful.
To make the body heavier and stronger.
What is the main function of smooth muscle cells? **hint** These cells are not found in the skeleton or the heart. Think about other organs.
To help transport oxygen throughout the body.
To pump blood through the heart.
To allow for involuntary movements in the organs
To move bones and limbs.
Why do fat cells have their nucleus and cytoplasm pushed to the side? **hint** Consider the main purpose of a fat cell.
To give them a unique shape.
To make room for a large fat droplet.
To help them connect with other cells.
To allow them to move more easily.
What do you really think of theses science classes?
What is the name of the green pigment inside plant leaf cells that absorbs sunlight? **hint** It's the pigment that makes plants green!
Hemoglobin
Melanin
Cytoplasm
Chlorophyll
Which of the following would be an example of a voluntary muscle action?
Your heart beating.
Digesting food.
Blinking your eyes.
Lifting your hand.
Which of the following is NOT a function of fat cells?
Storing fat droplets.
Serving as an energy reserve.
Creating fibers that form solid bone.
Providing a layer to keep us warm.
Which of the following is an example of an involuntary muscle?
Cardiac muscle
Tricep muscle
Skeletal muscle
Bicep muscle
What is the main function of red blood cells?
To help the body's muscles move.
To fight off infections.
To store fat for energy
To transport oxygen to other cells in the body.
Which type of plant root cell is responsible for collecting water and minerals from the soil? **hint** The name of this cell is a clue to its shape.
Xylem cells
Leaf cells
Phloem cells
Root hair cells
What do bone cells use tiny gaps for?
To connect with other bone cells for nutrients.
To store fat.
To fight infections.
To help the bone become flexible.
Which of the following can you find in both an animal cell and a plant cell? **hint** What is the 'control center' of a cell?
A nucleus
A large central vacuole
Cell wall
Chloroplasts
What is the main function of leaf cells in a plant?
To collect water and minerals from the soil.
To carry nutrients down from the leaves.
To carry water up to the rest of the plant.
To absorb sunlight to produce nutrients.
Which type of plant cell is responsible for carrying water up from the roots to the rest of the plant? **hint** This type of cell acts like a plumbing system in the plant.
Phloem cells
Root hair cells
Xylem cells
Leaf cells
What characteristic makes red blood cells unique from most other animal cells? *hint* The absence of a certain part of the cell allows it to carry more oxygen.
They have a thick cell wall.
They are the largest cells in the body.
They are able to move independently.
They lack a nucleus.
What is the primary function of bone cells?
To create the solid, rigid structure of bone.
To help the body fight off diseases.
To absorb sunlight to create nutrients.
To store energy.
Which of the following describes a cardiac muscle cell? **hint** Where in the body can you find cardiac muscle cells?
Found in the heart and linked together.
They create fibers that mineralize to form solid bone.
Long and thin, working in bundles.
Small and spindle-shaped.
Which type of muscle cell is found in the heart? **hint** The name of this cell is a clue to its location. Think about the heart.
Cardiac muscle cells
All of the above
Skeletal muscle cells
Smooth muscle cells
What is the main difference between an animal cell and a plant cell? **hint** Think about what plants do that animals don't. How do they support themselves?
Plant cells have chloroplasts and a cell wall, while animal
Animal cells have a nucleus, while plant cells do not.
Animal cells have a cell wall, while plant cells do not.
Animal cells carry oxygen, while plant cells do not.
What is the function of the tiny hairs on a root hair cell? **hint** Think about what root cells need to do and how their structure helps them.
To help the plant stand up straight.
To increase the surface area for absorbing water and mineral
To protect the root from damage.
To transport nutrients down from the leaves.