𝐬𝐜𝐢𝐞𝐧𝐜𝐞

• A person who lacks vitamin A could develop a disease called:

  night blindness
• When someone does not eat enough food they go through:

  starvation
• What is one disease that overweight people could develop?

  heart disease, stroke, type 2 diabetes, some cancers
• What is one consequence of not eating enough?

  poor immune system, lack of energy, lack of vitamins or minerals
• When someone eats too much, they could become:

  obese, overweight
• A person who lack vitamin D could develop a disease called:

  rickets
• What color do you observe in a positive biuret test?

  light blue to purple
• Which color change do you observe in a positive copper sulfate and sodium hydroxide test?

  pale-blue to purple
• Which color change do you observe in a positive benedict's test?

  light blue to green/orange/brick-red
• What change do you observe in a positive ethanol test?

  transparent to cloudy white
• Which nutrient is used to keep you healthy?

  vitamins, minerals
• Which enzymes breakdown proteins?

  proteases
• What is the function of gut bacteria?


  to help break down the food
• What process breaks down large molecules into smaller ones?

  digestion
• Which food tests for the presence of lipids?

  ethanol test
• Which color change do you observe in a positive biuret test?

  light blue to purple
• What is the name of the finger-like structures that increase the surface area of the small intestine?

  villi / villus
• Which enzymes breaks down carbohydrates?

  carbohydrases
• Which enzymes breakdown lipids?

  lipase
• What is the function of the small intestine?

  to absorb small molecules of nutrients into the blood
• Enzymes speed digestions. They are called:

  (biological) catalysts
• What is the function of the stomach?


  to mix food with digestive juices/enzymes to digest the food
• What is the function of the large intestine?

  to absorb water into the blood
• Which change do you observe in a positive ethanol test?

  transparent to cloudy white
• What is the name of the molecules that break down big food molecules?

  enzymes