Unit 2 - Chemistry, Nutrition, and Food

What element is common to all the major classes of nutritional molecules that makes them 'organic'?

• Nitrogen
• Water
• Carbon
• Oxygen

What is the name of the process that occurs in producers to change Carbon from the air into a form we can use (into the food that we eat)?

• respiration
• assimilation
• transpiration
• photosynthesis

What element makes the composition of proteins different from that of carbohydrates and fats?

• Nitrogen
• Water
• Carbon
• Oxygen

How many Calories of energy are found in each gram of protein?

• four
• two
• nine
• depends on the size of the protein

How many Calories of energy are found in each gram of fat?

• four
• one
• nine
• depends on whether it's saturated or unsaturated

How many Calories of energy are found in each gram of carbohydrate?

• four
• six
• nine
• depends on if it's monosaccharide or polysaccharide

What is the easiest way for us to get our daily intake of Dihydrogen Monoxide?

• eating it
• drinking it
• breathing it in
• absorbing it through our skin

What is the name of the process that bacteria use to take Nitrogen from the air and change it into a form that plants can use (so that we can eat it to make proteins...)?

• photosynthesis
• precipitation
• assimilation
• combustion

The type of living organism that we are all dependent on for the Carbon in our food and the Oxygen that we breathe are...

• decomposers (bacteria)
• producers (plants)
• consumers (animals & fungus)
• photons (light energy from the sun)

Which of the following is NOT included in the nutrition labels found on the processed foods we eat?

• serving size & number of servings per container
• total Calories per serving
• total grams of fat, carbohydrates, and proteins
• milliliters/ounces of water in each serving
• all the above are included in nutrition labels