What is the main natural sugar found in milk?
AnswerLactose
Lactose is the sugar in milk; people who produce too little lactase enzyme have trouble digesting it.
Food · Facts & stats
Milk facts & stats
7 fact-checked facts about milk, each with the reason behind it. 5 more are in today's round and join this page after it closes.
The basics
Milk is especially well known as a source of which mineral?
AnswerCalcium
Milk is rich in calcium, a mineral the body uses to build and maintain bones and teeth.
Going deeper
Which family of milk proteins forms the curds used to make cheese?
AnswerCasein
Casein proteins clump together when milk is curdled, forming the curds that become cheese.
What does homogenization do to milk?
AnswerBreaks fat into tiny droplets so cream doesn't separate
Homogenization forces milk through tiny openings, shrinking fat globules so they stay evenly mixed.
Yogurt is made by adding what to milk?
AnswerLive bacteria that ferment lactose
Bacteria such as Lactobacillus bulgaricus turn lactose into lactic acid, which thickens and sours the milk.
Expert level
The word 'galaxy', as in the Milky Way, comes from a Greek word meaning what?
AnswerMilky
'Galaxy' comes from Greek 'galaxias', from 'gala' meaning milk, describing the milky band of stars.
Which enzyme preparation, traditionally from calves' stomachs, is used to curdle milk for cheese?
AnswerRennet
Rennet contains the enzyme chymosin, which makes milk proteins clump together into curds.
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