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Evolution of Lactose Intolerance

An illustration showing the biochemical processes of lactose digestion and the genetic factors influencing lactose intolerance, incorporating elements like milk, glucose, and human genetics, in a vibrant educational style.

Test Your Knowledge on Lactose Intolerance

Discover the fascinating world of lactose intolerance with our engaging quiz! Test your understanding of genetics, biochemistry, and human evolution as it relates to milk digestion.

Challenge yourself with questions about:

  • The biology behind lactose intolerance
  • The evolution of lactase persistence
  • Global variations in lactose digestion
17 Questions4 MinutesCreated by CuriousBiologist47
What is lactose intolerance
Having the lactase enzyme
Lacking the lactase enzyme
If you don't like milk
 
What caused the genetic mutation to occur
People needed it for nutrition in the winter months
Because they liked milk to much
They were to lazy to grow crops
75% of _________ worldwide are unable to digest lactose.
Children
Cows
Adults
Why do places like South America and Africa have such high rates of lactose intolerance?
They have a warm climate all year round
They don't have cows there
They don't enjoy milk enough to drink it
What is lactase persistence
High lactase activity
Low lactase activity
Don't enjoy lactose
What is the Lac Operon required for
Transportation of Lactose
Making milk
Not transporting lactose
What do the Lac Z, Y , and A gene do together
Metabolism and absorption
Cleaves the lactose into simple sugars
To make the e-coli genome
What happened when Lactose is absent in the Lac Operon
The lac operon switches off
Nothing happens
The lac operon switches on
What is Lactose Persistence
Dominant
Non dominant
Neither
What Genome is the Lac Operon apart of
E-coli
Lactase
Cow
What is Glucose
Is a disaccharide
Bodies main source of energy
Something your body produces
What is the main sugar in milk
Lactase
Lactose
Glucose
What does lactase do
Combines glucose and galactose
Splits glucose and galactose
Makes milk
What is a disaccharide
Two monosaccharide combined
One monosaccharide and one random molecule
An enzyme in milk
What is not a symptom of lactose intolerance
Cramps
Nausea
Foot pain
What is Galactose
A sugar in lactose
A sugar in lactase
Not a sugar but a part of lactose
What geographic area developed the least amount of lactose intolerance
Asia
Europe
Africa
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