Diffusion Through the Cell Membrane

Identify the cellular structure that diffusion occurs across.

• ribosome

• mitochondria

• cytoplasm

• cell membrane

• chloroplast

Identify the cellular structure that is mostly water and is the jelly-like fluid in the cell.

• ribosome

• mitochondria

• cytoplasm

• cell membrane

• chloroplast

Tags

NGSS.MS-LS1-2

Describe diffusion:

• the movement of molecules higher concentration to an area of lower concentration

• the synthesis of molecules higher concentration to an area of lower concentration

• the movement of molecules lower concentration to an area of higher concentration

• the synthesis of molecules lower concentration to an area of higher concentration

Identify the substance/molecule that will not diffuse.

• Starch

• Glucose

• Iodine

Tags

NGSS.MS-PS1-2

Identify the substance(s)/molecule(s) that will diffuse.

• Starch

• Glucose

• Iodine

Tags

NGSS.MS-PS1-2

Select the four organic macromolecules.

• nucleic acids

• proteins

• lipids

• amino acids

• carbohydrates

Molecule A cannot diffuse. What is a possible reason why?

• Molecule A is a macromolecule and it is too large to move.

• Molecule A is a building block and it is too large to move.

• Molecule A is a building block and it is too small to move.

• Molecule A is a macromole and it is too small to move.

Tags

NGSS.MS-LS1-2

NGSS.MS-PS1-1

What is the starch indicator?

• Iodine

• Bromothymol Blue

• Benedict's Solution

• Glucose

Tags

NGSS.MS-PS1-2

What color does the starch indicator turn when it comes in contact with starch?

• blue-black

• blue

• orange-red

• yellow

Tags

NGSS.MS-PS1-2