Lactase Persistence

______ is the enzyme that breaks down lactose

• Lactase

• Lactose

All human adults can consume lactose (milk) when they are young.

• True

• False

How do scientists think that lactase persistence EVOLVED?

• Out of necessity in famine times

• Randomly

• We were always lactose tolerant, lactose Intolerance is what developed

• We don't know when lactose tolerance developed

Tags

NGSS.HS-LS4-1

NGSS.HS-LS4-4

 

______ are the only mammal that can consume milk past infancy

• Humans

• Cats

• Dogs

• Horses

What is an example of a common symptom of lactose intolerance

• Headache

• Instant Death

• Bloating

• Searing Pain

Lactose is a _____

• Sugar

• Enzyme

Lactase is a _______

• Sugar

• Enzyme

Tags

NGSS.MS-LS1-7

Lactase breaks lactose into what type of sugar?

• Surlacose

• Frutose

• Glycrien

• Glucose

A minority of people are lactase persisten

• True

• False

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-4

Mutations are random

• True

• False

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-2