CELL AND CELL TRANSPORT

​PRACTICE EXERCISE

Multiple Choice

In 1665, Robert Hooke looked through a simple microscope and saw an image similar to the one below. Which of the following describe the individual structural units of living matter that he saw?

• atoms

• cells

• tissue

• molecules

Multiple Choice

What does an amoeba and a human have in common?

• brain

• heart

• cells

• lungs

Multiple Choice

In order to carry out the functions of life, organisms must

• have access to sunlight

• have at least one cell

• be able to move

• have different types of cells

Multiple Choice

What does "unicellular" mean?

• having only one cell

• having many cells

• having different types of cells

• having at least one cell

Multiple Choice

What does "multicellular" mean?

• having only one cell

• having many cells

• having different types of cells

• lacking any cells

Multiple Choice

What is the primary difference between a prokaryotic and eukaryotic cell?

• A prokaryotic cell has a nucleus

• A prokaryotic cell does not have a nucleus

• A eukaryotic cell has DNA floating throughout the cell

• A prokaryotic has DNA contained within a nucleus.

Multiple Choice

What is the jelly-like substance composed of mostly water which fills the majority of plant cells?

• Cytoplasm

• Chlorophyll

• Chloroplast

• Jello

Multiple Choice

What is the transport system for various molecules and substances moving throughout the cell; includes the smooth and rough?

• Endoplasmic Reticulum

• Golgi Apparatus

• Mitochondria

• Nucleus

Multiple Choice

What is the "power plant" for the cell; the main sites for energy creation within the cell?

• Mitochondria

• Nucleus

• Ribosomes

• Vacuoles

Multiple Choice

What is the site for protein synthesis; abundant throughout the cell?

• Ribosomes

• Vacuoles

• Cell Wall

• Chloroplast

Multiple Choice

What is found in both animal and plant cels; much larger within plant cells; mostly utilized for water and nutrient storage?

• Vacuoles

• Cell Wall

• Cell Membrane

• Chloroplast

Multiple Choice

What is found only in plant cells; surrounds the cell and is utilized for extra protection and support?

• Cell Wall

• Cell Membrane

• Chloroplast

• Cytoplasm

Multiple Choice

What is the function of chloroplasts in plants?

• Enable the plant to make their own food

• Make the plants rigid and rectangular in shape

• Store food, water, and waste products of the plants

Multiple Choice

What do you call the substance that gives red color to the blood?

• melanin

• adrenaline

• hemoglobin

• iron

Multiple Choice

The internal membrane system found in eukaryotic cells, where lipids are assembled

• endoplasmic reticulum

• vacuole

• ribosome

Multiple Choice

The structure that contains the cell’s genetic material in the form of DNA

• nucleus

• cytoskeleton

• cell wall

Multiple Choice

Specialized structure that performs important cellular functions within a cell

• organelle

• cell membrane

• cytoskeleton

Multiple Choice

The cell organelle that stores materials such as water, salts, proteins, and carbohydrates

• vacuole

• ribosome

• centriole

Multiple Choice

The network of protein filaments in a eukaryotic cell that gives the cell its shape and internal organization and is involved in movement

• cytoskeleton

• mitochondria

• chloroplast

Multiple Choice

The structure in an animal cell that helps to organize cell division is known as…

• centriole

• cell membrane

• cytoplasm

Multiple Choice

The thin, flexible barrier that surrounds ALL cells; regulates what enters and leaves the cell

• cell membrane

• endoplasmic reticulum

• cell wall

Multiple Choice

The cell organelle consisting of RNA and protein found throughout the cytoplasm in a cell; the site of protein synthesis is known as…

• ribosome

• nucleus

• lysosome

Multiple Choice

What type of transport is this?

• Endocytosis
• Diffusion
• Exocytosis
• Osmosis

Multiple Choice

Active transport is movement of particles through the cell membrane from a region of ...1... to a region of ...2... using energy in the form of ...3...

• 1: lower concentration, 2: higher concentration, 3: NADPH

• 1: higher concentration, 2: lower concentration, 3: NADPH

• 1: higher concentration, 2: lower concentration, 3: ATP

• 1: lower concentration, 2: higher concentration, 3: ATP

Multiple Choice

Even though the concentration of salt is high in some gland cells and low in the blood, these cells can move salt out of blood and into the cells.  This is an example of

• passive transport
• active transport
• diffusion
• osmosis

Multiple Choice

What is diffusion?

• when molecules move from a low concentration to a high concentration 
• when molecules move from a high concentration to a low concentration.
• no movement 
• molecules move everywhere

Multiple Choice

Which of the following pictures shows a higher concentration?

Multiple Choice

Fill in the blank: Diffusion is the movement of molecules from an area of _______ concentration to an area with a lower concentration.

• low

• equal

• high

• no

Multiple Choice

What is the role of proteins in the cell membrane?

• Provide energy

• Facilitate diffusion

• Store genetic information

• Create a rigid structure.

Multiple Choice

What in the cell is selectively permeable?

• cell membrane

• cell wall

• cytoplasm

• nucleus

Multiple Choice

What is Osmosis?

• movement of water from equal concentrations

• movement of water through a selectively-permeable membrane from high to low water concentration.

• Movement of water high to low water concentration

• movement of water through a selectively-permeable membrane from low to high water concentration.

Multiple Choice

The diagram shows two chambers with different concentration of molecules separated by a selectively permeable membrane. Predict what will happen to the water molecules ?

• move from B to A due to diffusion

• move from B to A due to osmosis

• move from B to A due to active transport

• move from A to B due to osmosis

Multiple Choice

A student noticed that placing wilted lettuce in a bowl of cool water caused the lettuce to become more crisp and firm. What is the best explanation for his observation?

• Water moved into the lettuce cells by active transport.
• Water moved into the lettuce cells by osmosis.
• Salt moved into the lettuce cells by diffusion.
• Water moved out of the lettuce cells by osmosis.

Multiple Choice

If the percentage represents sugar, what direction will water flow?

• Into the cell

• Out of the cell

• Into and out equally (equilibrium)