Nemo and other ocean dwelling fish cannot survive in freshwater because......

freshwater is hypotonic to Nemo's cells and will result in water enter them causing the cells to swell and burst

freshwater is hypertonic to Nemo's cells and will result in water leaving them causing the cells to shrink

freshwater is hypotonic to Nemo's cells and will result in water leaving them causing the cells to shrink

freshwater is hypertonic to Nemo's cells and will result in water entering them causing the cells to swell and burst

Elodea is a freshwater plant. When it is placed in saltwater what will happen to its cells?

They will be plasmolyzed because water is leaving the cell, making them shrink significantly

They will become turgid because water is entering the cell, making them firm

They will become flaccid because water is entering and leaving the cell at equal rates, making them a little soft

What is the difference between active and passive transport?

Passive is high to low and uses no energy; Active uses energy and is low to high

Active is high to low; Passive is low to high

Active uses no cell energy; Passive uses cell energy

What are the types of passive transport? Select all that apply.

Protein pumps / carrier proteins

Considering the four choices below, which two represent diffusion? From high to low concentration From low to high concentration Using cellular energy Without using cellular energy

High to low; without using cell energy

Low to high: without using cell energy

What is the difference between simple diffusion and osmosis?

Simple diffusion moves through phospholipids, osmosis moves through aquaporins

Diffusion is passive; osmosis is active

Both are types of diffusion through channel proteins

Simple diffusion is the movement of water; osmosis moves water, but through aquaporins

Which molecule is in equilibrium? How can you tell?

Molecule A; equal amounts inside and outside

Molecule B; passive movement into the cell

Molecule C; equal amounts inside and outside

Molecule C; all molecules are inside the cell

Which molecule will move out of the cell with passive transport? How can you tell?

Molecule C; more inside than outside

Molecule A; more outside than inside

Molecule B; passive movement into the cell

Molecule B; more outside than inside

Which molecule would move into the cell with active transport? How can you tell?

Molecule B; more inside than outside

Molecule A; equal inside and outside

Molecule B; passive movement into the cell

Molecule C; more inside than outside

What three things make up the cell membrane?

Lipids, Proteins, Carbohydrates

Phospholipids, Proteins, Nucleic Acids

Cholesterol, Proteins, Phospholipids

Carbohydrates, Proteins, Vesicles

Pulling away of the plant cell membrane as it loses water in a hypertonic solution.

Pulling away of the animal cell membrane as it undergoes osmosis.

An increase in turgor pressure as the cell undergoes osmosis.

Contraction of the protoplast of a plant cell as a result of gaining water.

A saltwater fish is accidentally placed in a freshwater aquarium. After a few hours, the fish died. which statement best explains why this occurred?

The cells of the fish absorbed more water than he was able to

The cells of the fish were dehydrated by a quick loss of water

The fish reached old age coincidentally

The stress from moving aquariums got to the fish

Elizabeth is conducting an investigation to study how molecules are transported into and out of a cell. Elizabeth builds a model of a cell using a U-shaped tube. A barrier, which is permeable to water, but not sugar, is placed on the bottom of the tube to model the cell membrane. Elizabeth adds two different solutions to each side of the tube. The solute in each solution is sugar and the solvent is water. The initial levels of solution in Side A and Side B are equal. The concentration of sugar in Side A is lower than the concentration of sugar in Side B.

Water molecules will move from Side A to Side B. The solution level on Side A will fall and the solution level on Side B will rise.

Water molecules will move from Side B to Side A. The solution level on Side A will rise and the solution level on Side B will fall.

Sugar molecules will move from Side A to Side B. The solution level on Side A will fall and the solution level on Side B will rise.

Sugar molecules will move from Side B to Side A. The solution level on Side A will rise and the solution level on Side B will fall.

Wes places red blood cells in a petri dish with pure water and observes them under a microscope. He drew a model to illustrate his observations. What is the most likely explanation for Wes’s observations?

The red blood cells were placed in a hypotonic solution. Water moved from the outside of the cells to the inside of the cells until the cells burst.

The red blood cells were placed into an isotonic solution. Water moved into and out of the cells to maintain homeostasis.

The red blood cells were placed into an isotonic solution. Water moved into the cells until the cells burst.

The red blood cells were placed in a hypertonic solution. Water moved from the inside of the cells to the outside of the cells to maintain homeostasis.

The diagram to the right shows the same type of molecule on side A and side B. According to diffusion, which direction will the molecules move?

Molecules move towards B until equilibrium is reached

All of the molecules will explode

Placing wilted cabbage in cold water will make it crisp again. Which statement best describes what happens to restore the cabbage to its original condition?

Water entered the cells of the cabbage by osmosis

Water left the cabbage cells by diffusion

Osmosis caused salts to enter the cabbage cells.

Salts in the cabbage leaf caused water to leave the cells.

Why does active transport require the use of energy by the cell?

Molecules are being moved against the concentration gradient

Molecules are being moved freely through the pores in the membrane.

Active transport is a process of speeding up osmosis.

Molecules are being moved with the concentration gradient.

Cells and Cell Transport Quiz

42 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

After examining this diagram showing the concentration of water inside and outside of the cell, identify the tonicity of the solution.

hypertonic

hypotonic

isotonic

Tags

NGSS.MS-LS1-2

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The solution surrounding the cell in Diagram B, would be defined as:

hypertonic

hypotonic

isotonic

Tags

NGSS.MS-LS1-2

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

After examining this diagram showing the concentration of water inside and outside of the cell, identify the tonicity of the solution.

isotonic

hypotonic

hypertonic

Tags

NGSS.MS-LS1-2

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The solution surrounding the cell in Diagram C, would be defined as

hypertonic

isotonic

hypotonic

Tags

NGSS.MS-LS1-2

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The cell below is in a _________ solution.

Hypotonic

Hypertonic

Isotonic

Tags

NGSS.HS-LS1-3

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

The cell below is in a _____________ solution.

Hypertonic

Hypotonic

Isotonic

Tags

NGSS.HS-LS1-3

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

This egg has shrunk, what type of solution was it placed in?

hypotonic solution

hypertonic solution

isotonic solution

Tags

NGSS.MS-PS1-2

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Cells and Cell Transport

After examining this diagram showing the concentration of water inside and outside of the cell, identify the tonicity of the solution.

The solution surrounding the cell in Diagram B, would be defined as:

After examining this diagram showing the concentration of water inside and outside of the cell, identify the tonicity of the solution.

The solution surrounding the cell in Diagram C, would be defined as

The cell below is in a _________ solution.

The cell below is in a _____________ solution.

This egg has shrunk, what type of solution was it placed in?

What type of solution is this cell in?

If the dots represent sugar what direction will the water flow?

What type of solution is this cell in?

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