Biology - Chapter 3 - Food

One sugar unit is called a?

• cellulose

• disaccharide

• polysaccharide

• monosaccharide

An example of a disaccharide is?

• fructose

• maltose

• glucose

• cellulose

The structure of a phospholipid contains two fatty acids connected to a glycerol and which other molecule?

• phosphate

• carbon

• magnesium

• iron

How many amino acids are found in proteins?

• 50

• 10

• 20

• 35

Which protein is found in hair and nails?

• glycogen

• cellulose

• myosin

• keratin

A deficiency disease of vitamin c is?

• asthma

• rickets

• scurvy

• diabetes

Which of the following vitamins is fat soluble?

• D

• C

• B

Which mineral in humans is responsible for forming haemoglobin?

• calcium

• nitrogen

• magnesium

• iron

The chemical used to test for reducing sugar is called?

• Biruet reagent

• Benedict's solution

• iodine

• methylene blue

What type of sugar changes to a black colour when mixed with iodine?

• glucoe

• starch

• maltose

• lactose