Intro to the Cell Membrane

Presentation

•

Biology

•

9th Grade

•

Easy

•

NGSS

MS-LS1-2, HS-LS1-3, MS-LS1-1

Standards-aligned

Nancy Stockton

Used 16+ times

FREE Resource

18 Slides • 16 Questions

Multiple Choice

I am the outer most layer of an animal cell. What am I?

cell wall

nucleus

cell membrane

cell skin

Multiple Choice

The function of the plasma membrane is....

to regulate what enters and leaves the cell.

fight bacteria and viruses that enter the cell.

provide rigid support and protection to the cell.

make sure each cell can move

Multiple Choice

Something is ___________ ____________
when some molecules can cross the membrane while others cannot.

Selectively (or Semi) Permeable

Totally Transparent

Liquid Licorice

Heavily Patrolled

Multiple Choice

The cell membrane could be best compared to a _____ of the cell

power plant

wall

gate

control centre

Multiple Choice

To provide a protective barrier between the interior of the cell and the outside environment is a function of _________.

Cell Membrane

Cell Wall

Nucleus

Mitochondria

Multiple Choice

What does homeostasis mean?

balance

cell wall

transport

staying still

Multiple Choice

What three substances make up the cell membrane?

lipids, starches, nucleic acids

lipids, fats, sugars

lipids, sugars, proteins

lipids, proteins, carbohydrates

Multiple Choice

Most of the cell membrane is made of...

Lipids

Carbohydrates

Proteins

Nucleic acids

Multiple Choice

Which of the following is true of this phospholipid molecule?

The fatty acid tails are polar, hydrophilic molecules.

The phosphate head contains no phosphorus.

The fatty acid tails are non-polar, hydrophobic molecules.

Water passes easily through the fatty acid tails.

Multiple Choice

Which of the following is the name of the model of the cell membrane that states that the phospholipids, proteins, and other molecules that make up the membrane are not stationary (i.e., they move relative to one another).

Cell impermeability model

Enzyme lock and key model

Theory of relativity

Fluid mosaic model

Multiple Choice

Hydrophilic means...

water-loving

water-fearing

nonpolar

lipid soluble

Multiple Choice

How many layers does the phospholipid bilayer have?

Two

One

Three

Multiple Choice

What does "bilayer" mean?

one layer

two layers

laminated

bilateral

Multiple Choice

Hydrophobic region of the cell membrane?

Multiple Choice

Hydrophilic portion of cell membrane?

Multiple Choice

What do vacuoles, the nucleus, lysosomes, mitochondria, and chloroplasts all have in common?

They are found in prokaryotic cells

They are surrounded by a lipid membrane

They have hard-to-spell names

They contain DNA

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