Organelles & transport

Multiple Choice

Which form of transport is being shown in the diagram.

• diffusion
• osmosis
• facilitated diffusion
• active transport

Multiple Choice

Cells use energy to move materials across a membrane (low to high concentration).

• Active transport
• Passive transport
• Diffusion
• Osmosis

Active Transport

 relies on the use of energy to move substances into and out of cells. Usually, molecules are traveling against a concentration gradient.

Multiple Choice

If the sodium concentration inside a cell is greater than outside the cell, how can a cell take in more sodium?

• osmosis
• diffusion
• active transport
• passive transport

Multiple Choice

When a cell forms a vesicle around unwanted particles and expels it OUT of the cell.

• Pinocytosis

• Endocytosis

• Receptor-mediated

• Exocytosis

Multiple Choice

Particles are removed from a cell (pushed out).

• Endocytosis
• Exocytosis
• Permeable
• In high concentration

Exocytosis a process by which the contents of a cell vacuole are released to the exterior through fusion of the vacuole membrane with the cell membrane.

Multiple Choice

A type of active transport that brings particles into a cell when the cell membrane encloses a particle to make a vesicle

• Diffusion
• Passive Transport
• Active Transport
• Endocytosis

Multiple Choice

In this image, the cell is using which type of molecular transport?

• Osmosis
• Diffusion 
• Endocytosis
• Exocytosis 

Endocytosis

 the process by which cells take in substances from outside of the cell by engulfing them in a vesicle.

Multiple Choice

Compare the concentrations of the sugar in the cell and the solution.  Which is HYPOTONIC?

• Cell
• Solution

Multiple Choice

Facilitated diffusion is the movement of materials into and out of the cell

• with the use of energy
• with the use of proteins but no energy
• by moving water
• by using ATP

Multiple Choice

The  movement of water from a high concentration to a low concentration is called

• diffusion
• osmosis
• facilitated diffusion
• active transport

Multiple Choice

In this situation, where the solute is illustrated by red dots, predict if will WATER move into or out of the cell, and how that will affect the cell.

• Water will move into the cell and the cell will expand.
• Water will move into the cell and the cell will shrink.
• Water will move out of the cell and the cell will expand.
• Water will move out of the cell and the cell will shrink.

Multiple Choice

Semi-permeable mean to allow

• all materials across the membrane
• only some materials across the membrane
• no material to cross the membrane
• to allow only water across the membrane

Multiple Choice

Which type of active transport is displayed?

• Endocytosis

• Exocytosis

Multiple Choice

Which correctly points to the part of the image that is hydrophobic?

• A

• B

Multiple Choice

The molecule pictured in the image is

• a phospholipid

• a carbohydrate

• a cholesterol

• a transport protein

Multiple Choice

Which number is pointing to the transport protein?

• 1

• 2

• 3

• 4

Multiple Choice

Which number is pointing to the part of the cell membrane that identifies other cells and chemical signals?

• 1

• 2

• 3

• 4

Multiple Choice

Which is a picture of a phospholipid bilayer?

Multiple Choice

Based on the water movement, what are the correct labels for the left and right sides of the membrane in the 'before' picture?

• The left is isotonic and the right is hypertonic.

• The left is hypotonic and the right is hypertonic.

• The left is hypertonic and the right is hypotonic.

• The left is hypotonic and the right is isotonic.

Multiple Choice

You are alone on an island in the middle of the Atlantic Ocean. You are hot and thirsty, so you want to drink water from the ocean. You think about biology class and you decide:

• to drink the ocean water because the extra salt will quench your thirst.

• not to drink the ocean water because the extra salt will cause you to dehydrate.

• to drink the ocean water because your cells will burn more fat due to the salt intake.

• not to drink the ocean water because the extra salt will cause your cells to burst.

Multiple Choice

Why has water moved into the cell in the hypotonic solution?

• The cell was deflated and needed to be inflated.

• The concentration of solvent was higher inside than outside the cell.

• The concentration of solute (salt) was higher outside the cell than inside.

• The concentration of solute (salt) was higher inside the cell than outside.

Multiple Choice

Transport of water molecules across a cell membrane allows cells to maintain stable internal conditions in an ever-changing environment. This stable internal condition is called _____.

• homeostasis

• energy transfer

• osmosis

• carrying capacity

Multiple Choice

A red blood cell is placed into a solution. The red blood cell has a lower concentration of protein and sugar than the solution, as shown in the diagram. What is most likely to occur?

• Water from the solution will move into the red blood cell.

• Water from the red blood cell will move into the solution.

• Protein and sugar will move from the solution into the red blood cell.

• Protein and sugar will move from the red blood cell into the solution.

Multiple Choice

Which of the following is NOT true?

• Animal cells in hypotonic solutions will burst.

• Plant cells in hypotonic solutions will not burst due to the cell wall.

• Water is not flowing when cells are in isotonic solutions.

• Cell membranes pull away from cell walls when plant cells are in hypertonic solutions.

Multiple Choice

When a white blood cell engulfs a bacteria cell, they use _____ to bring the bacteria into the cell.  

• Na/K pump
• Carrier Protein
• Exocytosis
• Endocytosis

Multiple Choice

A cell contains 25% NaCl and is placed in a solution that has 5% NaCl.  Which of the following is correct about what will happen to the cell?

• The solution is hypotonic and the cell will swell.
• The solution is hypotonic and the cell will shrink
• The solution is hypertonic and the cell will swell
• The solution is hypertonic and the celll will shrink.

Multiple Choice

If there is 25% oxygen inside the cell and 50% oxygen in the outside blood, which direction will the oxygen move?

• Out of the cell
• Into the cell
• The cell is at equilibrium

Multiple Choice

In the given scenario what will happen to the organism: salt is poured onto eggplant.

• Water will move out of the eggplant cells and the cells will shrink.
• Water will move out of the eggplant cells and the cells will swell.
• Water will move into the eggplant cells and the cells will swell.

Match

Match the following

• Simple Diffusion

• Facilitated Diffusion

• Osmosis

• Endocytosis

• Exocytosis

When molecules passively cross the plasma membrane through the phospholipid bilayer

When molecules passively cross the plasma membrane through a channel protein

The movement of water across the cell membrane

Bringing in large materials through the cell membrane into a vacuole.

Moving larger amounts or large quantities of materials through the cell membrane

• When molecules passively cross the plasma membrane through the phospholipid bilayer

• When molecules passively cross the plasma membrane through a channel protein

• The movement of water across the cell membrane

• Bringing in large materials through the cell membrane into a vacuole.

• Moving larger amounts or large quantities of materials through the cell membrane

Match

Match the following

• Hypertonic

• Hypotonic

• Isotonic

The solution contains a high concentration of solute an and low concentration of water

The solution contains a low concentration of solute an and high concentration of water

The solution has an equal concentration of solute and water compared to the inside of the cell

• The solution contains a high concentration of solute an and low concentration of water

• The solution contains a low concentration of solute an and high concentration of water

• The solution has an equal concentration of solute and water compared to the inside of the cell

Multiple Choice

This a picture of an animal and plant cell placed in a solution. Describe the solution?

• Isotonic

• Hypotonic

• Hypertonic

Multiple Choice

This a picture of an animal and plant cell placed in a solution. Describe the solution?

• Isotonic

• Hypotonic

• Hypertonic

Multiple Choice

What type of solution was this plant placed in?

• hypertonic

• isotonic

• hypotonic

Multiple Choice

What type of solution was this plant placed in?

• hypotonic

• isotonic

• hypertonic

Multiple Choice

A ______________ is composed of a phosphate and glycerol head and 2 fatty acid chain tails. 

• phospholipid 
• Carbohydrate
• Cholesterol 
• Protein 

Multiple Choice

the use of channel proteins to aid large molecules, such as glucose, through the cell membrane without the use of energy

• diffusion

• molecular transport

• facilitated diffusion

• osmosis

Multiple Choice

A state of relatively constant internal physical and chemical conditions

• homeostasis

• facilitated diffusion

• active transport

• passive transport

Active Transport

• Movement of materials through a membrane against a concentration gradient

• Movement of substances from areas of low concentration to areas of high concentrations

• Requires: ENERGY from the cell (ATP), and a transport protein or channel protein (these are often called pumps)

Transport of Ions

• Transport of ions: Protein pumps move ions across membranes

• Example: Sodium-Potassium Pump

Transport of Large Particles

• Move across the membrane by endocytosis or exocytosis

Endocytosis

• Cell membrane folds in around a large particle and forms a small pouch

• The pouch then "pinches off" from the cell membrane to become a vesicle inside the cell

• Phagocytosis: cell eating (engulfs food particles)

• Pinocytosis: cell drinking (engulfs fluid)

Exocytosis

• A vesicle moves to the cell membrane

• Fuses with cell membrane, and then releases its contents to the outside of the cell.

Multiple Choice

In PASSIVE TRANSPORT, substances move from:

• High concentration to low concentration

• Low concentration to high concentration

Multiple Choice

In ACTIVE TRANSPORT, substances move from:

• High concentration to low concentration

• Low concentration to high concentration

Multiple Choice

True or False:

In ACTIVE TRANSPORT, energy is not required.

• True

• False

Multiple Choice

True or False:

In PASSIVE TRANSPORT, energy is required.

• True

• False

Multiple Select

These are all examples of passive transport.

• Diffusion

• Endocytosis

• Facilitated diffusion

• Exocytosis

• Osmosis

Multiple Select

These are all examples of active transport.

• Protein Pumps

• Endocytosis

• Exocytosis

• Osmosis

• Facilitated diffusion

Multiple Choice

Features of plant cells that clearly make them different from animal cells are -

• larger and fewer chromosomes.

• rigid cell wall and chloroplasts.

• more cytoplasm and smaller vacuoles.

• changing size and indefinite shape.

Multiple Choice

Based upon what you just learned about the chloroplast and mitochondria, which do you believe is more important?

• Mitochondria because it actually makes the ATP (energy we can use).

• Chloroplast because it gets the energy from the sun (energy we can't use)

• Both are equally important because the chloroplast captures energy we can't use and sends it to the mitochondria to make ATP which is energy we can use.

Multiple Select

True or False, the nucleus of the cell holds DNA.

• True

• False

Multiple Choice

True or false, the mitochondria is found ONLY in animal cells.

• True

• False

Multiple Choice

The ____________ packages and processes material before it exports out of the cell.

• Vacuoles
• mitochondria
• Golgi apparatus 
• nucleus 

Multiple Choice

Which of the following is an enzyme filled organelle that breaks down waste in the cell?

• lysosomes
• chloroplast
• mitochondria 
• Golgi apparatus 

Multiple Choice

The major function of ribosomes is to

• Make fats
• Synthesize protein
• Digest protein
• Make sugars

Multiple Choice

What organelle controls and regulates cellular activity?

• Ribosome
• Nucleus
• Mitochondria
• Lysosome 

Multiple Choice

Which organelle is only found in a plant cell? 

• nucleus
• chloroplast
• mitochondria
• cell membrane

Multiple Choice

The Golgi apparatus _____.

• packages cell products for export
• eliminates waste
• stores DNA
• makes energy

Multiple Choice

Where is DNA stored in a cell? 

• Lysosomes
• Golgi Complex
• Ribosomes
• Nucleus

Multiple Choice

What is the fluid inside a cell called? 

• Endoplasimic Reticulum
• Orange Juice
• Water
• Cytoplasm

Multiple Choice

This organelle helps plants keep their rigid structure. 

• Cell wall
• Cell membrane
• Chloroplast
• Nucleus

Multiple Choice

This organelle turns the light energy into a simple sugar. 

• Mitochondria
• ER
• Chloroplast
• Nucleus

Multiple Choice

This organelle makes proteins. 

• Cell membrane
• Nucleus
• Ribosome
• ER

Multiple Choice

If a cell had the following organelles: nucleus, mitochondria, ribosome, and cell membrane. And DID NOT have a chloroplast and cell wall, what kind of organism is the cell found in? 

• Animals only
• Plants only
• Both plants and animals
• Bacteria

Multiple Choice

Why are organelles important? 

• Each have a specific function
• Each give the cell energy
• Each protect the cell
• Each uses the sunlight

Multiple Choice

If an organism had the following organelles: mitochondria, chloroplast, ribosome, nucleus, cell wall, and cell membrane, what type of organism is the cell found in? 

• Only plants
• Only animals
• Plants and Animals
• Animals & Fungi

Multiple Choice

This organelle helps organize cell division and creates microtubules.

• Mitochondria

• Centriole

• Lysosome

• Vacuole

Multiple Choice

Cellular respiration takes place here and produces energy called ATP.

• Lysosome

• Golgi apparatus

• Nucleus

• Mitochondria

Multiple Choice

Breakdown lipids, carbs, proteins, old organelles. Clean up crew. Also fight against bacteria, viruses, and other antigens

• Lysosome

• Vacuole

• Centriole

• Mitochondria

Multiple Choice

Store materials like water, salts, proteins, and carbs. And also store wastes to prevent cell contamination. Plants have a large one.

• Nucleus

• Vacuoles

• Mitochondria

• Ribosomes

Multiple Choice

Transport important things (like proteins) throughout the cell

• Lysosomes

• Vacuoles

• Nucleus

• Vesicles

Multiple Choice

Makes and stores lipids (fats). Also breaks down toxins.

• Rough ER

• Smooth ER

• Golgi Apparatus

• Vacuoles

Multiple Choice

Transports material throughout the cell. Looks rough because of the ribosomes.

• Rough ER

• Golgi Apparatus

• Smooth ER

• Ribosomes

Multiple Choice

Main function is to produce and assemble ribosomes.

• Nucleus

• Vacuole

• Nucleolus

• Mitochondria

Multiple Choice

Modify, sort, and package proteins and other materials from the ER for storage in the cell or secretion outside the cell

• Golgi Apparatus

• Rough ER

• Smooth ER

• Nucleus

Multiple Choice

Protein filaments that help maintain structure

• Mitochondria

• Cytoplasm

• Cytoskeleton

• Lysosomes

Multiple Choice

Short hairlike appendages. Helps in locomotion, circulation and aeration.

• Flagellum

• Cilia

• Follicles

• Hair fans

Multiple Choice

Long thread like appendage that helps in locomotion

• Cilia

• Flagellum

• Propeller

• Leg

Multiple Choice

Traps sunlight and converts it into energy for plants.

• Chloroplasts

• Cell wall

• Cell membrane

• Vacuole

Multiple Choice

It provides plant and some bacterial cells with protection and structural support.

• Nucleus

• Cell Wall

• Cytoplasm

• Mitochondria