diffusion, digestion 7th

What is the process called that breaks down larger, complex molecules into smaller, simpler molecules that can be absorbed by the body?

• Absorption

• Diffusion

• Digestion

• Filtration

Where are nutrients absorbed into the bloodstream?

• Large intestine

• Stomach

• Small intestine

• Liver

What is diffusion?

• Movement of particles from low to high concentration

• Movement of particles from high to low concentration

• Movement of particles from high to high concentration

• Movement of particles from low to low concentration

In the experiment described, what color did the inside of the "cell" turn when iodine was added?

• Amber

• Red

• Deep blue

• Green

Tags

NGSS.MS-LS1-2

NGSS.MS-PS1-2

Why was the starch trapped inside the "cell" in the experiment?

• It was too small to diffuse

• It was too big to diffuse

• It reacted with iodine

• It dissolved in water

Tags

NGSS.MS-LS1-2

What did the Benedict's solution indicator reveal about glucose in the experiment?

• Glucose is too large to diffuse through cell membranes.

• Glucose is small enough to diffuse through cell membranes.

• Glucose changes color to blue when heated.

• Glucose cannot be absorbed by the body.

Tags

NGSS.MS-PS1-2

Why must larger, complex nutrients be broken down into smaller monomer building blocks?

• To change their color.

• To make them taste better.

• To fit through tiny openings in the cell membrane.

• To increase their size.

Tags

NGSS.MS-LS1-7

What are glucose, fatty acids, and amino acids examples of?

• Large, complex molecules.

• Simple monomers.

• Vitamins.

• Minerals.

Tags

NGSS.MS-LS1-7

What is the role of glucose in our cells?

• Used for long term energy storage.

• Used for growth and repair.

• Used for quick energy.

• Used for insulation.

Tags

NGSS.MS-LS1-7

What is the function of amino acids in our cells?

• Used for quick energy.

• Used for long term energy storage.

• Used for growth, repair, and making new cells.

• Used for insulation.

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-7