Nutrition Recap Questions

What is this molecule?

• Amino acid

• Glucose

• White blood cell

• Starch

What is this molecule?

• Starch

• Amino acid

• Carbon Dioxide

• Ribosome

Chains of glucose make up what large molecule?

• Proteins

• Bread

• Air

• Starch

A chain of amino acids, makes up?

• Lipids

• Vitamins

• Minerals

• Proteins

Tick the proteins

• Enzymes

• Starch

• Hormones

• Lipids

• Carbohydrates

Answer explanation

Proteins serve lots of functions in the body including hormonal control and breaking down proteins, carbs, and lipids into small molecules which can be absorbed into the blood.

Define a hormone.

• Energy store

• Breaks down nutrients

• Used for growth and repair

• Chemical message

Answer explanation

Hormones are proteins which circulate in the blood and can send messages from one place to another.

Per gram, which food type has the most energy contained within it

• Fats (lipids)

• Carbs

• Proteins

• Water

What unit of energy is used for food?

• Joules

• Newtons

• Calories

• Gravitational Field Strength

Why do people lose weight when they do not eat?

• Their fat reserves are being used for energy as there is no available carbohydrates

• The fat melts away from the heat

• They have emptied their digestive system

• Their proteins are evaporating

Answer explanation

Fat is used for insulation and energy storage, which can be used when food is low. In modern society, food is rarely low, so this is why many people put on too much weight.