Proteins in the cells What happens in the cells?PhenotypeDiagrams of the cells All of the lactase...

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Proteins in the cells What happens in the cells? Phenotyp e Diagrams of the cells All of the lactase proteins are functional Half of the lactase proteins are functional; Half of the lactase proteins are nonfunctional All of the lactase proteins are nonfunctional Proteins in the cells What happens in the cells? Phenotyp e Diagrams of the cells All of the pigment enzyme proteins are functional Half of the pigment enzyme proteins are functional; Half of the pigment enzyme proteins are nonfunctional All of the pigment enzyme proteins are nonfunctional functional lactase lactose glucose nonfunctional lactase lactose lactose The enzyme lactase breaks lactose into glucose (draw proteins here) (draw proteins here) (draw proteins here) functional pigment enzyme colorless molecule red pigment The pigment enzyme changes a colorless molecule to a red pigment molecule nonfunctional pigment enzyme colorless molecule colorless molecule (draw proteins here) (draw proteins here) (draw proteins here)

Transcript of Proteins in the cells What happens in the cells?PhenotypeDiagrams of the cells All of the lactase...

Page 1: Proteins in the cells What happens in the cells?PhenotypeDiagrams of the cells All of the lactase proteins are functional Half of the lactase proteins.

Proteins in the cells What happens in the cells? PhenotypeDiagrams of the cells

All of the lactase proteins are functional

Half of the lactase proteins are functional;Half of the lactase proteins are nonfunctional

All of the lactase proteins are nonfunctional

Proteins in the cells What happens in the cells? PhenotypeDiagrams of the cells

All of the pigment enzyme proteins are functional

Half of the pigment enzyme proteins are functional;Half of the pigment enzyme proteins are nonfunctional

All of the pigment enzyme proteins are nonfunctional

functional lactase

lactose glucose

nonfunctional lactase

lactose lactoseThe enzyme lactase breaks lactose into glucose

(draw proteins here)

(draw proteins here)

(draw proteins here)

functional pigment enzyme

colorless molecule

red pigment

The pigment enzyme changes a colorless molecule to a red pigment molecule nonfunctional pigment enzyme

colorless molecule

colorless molecule

(draw proteins here)

(draw proteins here)

(draw proteins here)

Page 2: Proteins in the cells What happens in the cells?PhenotypeDiagrams of the cells All of the lactase proteins are functional Half of the lactase proteins.

Proteins in the cells What happens in the cells? PhenotypeDiagrams of the cells

All of the TSR receptor proteins are functional

Half of the TSR receptor proteins are functional;Half of the TSR receptor proteins are nonfunctional

All of the TSR receptor proteins are nonfunctional

Proteins in the cells What happens in the cells? PhenotypeDiagrams of the cells

All of the MAO enzyme proteins are fully functional (fast)

Half of the MAO enzyme proteins are fully functional (fast);Half of the MAO enzyme proteins are partially functional (slow)

All of the MAO enzyme proteins are partially functional (slow)

The TSR receptor protein sticks to bitter molecules and signals bitter taste

(draw proteins here)

(draw proteins here)

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fully functional MAO enzyme (fast)

serotonin other molecule

The MAO enzyme changes serotonin so it does not work

partially functional MAO enzyme (slow)

(draw proteins here)

(draw proteins here)

(draw proteins here)

functionalTSR receptorbitter

molecule nonfunctional TSR receptor

bitter molecule

serotonin other molecule

Page 3: Proteins in the cells What happens in the cells?PhenotypeDiagrams of the cells All of the lactase proteins are functional Half of the lactase proteins.

Genotypes What proteins are in the cells?Diagrams of the cells

Genotypes What proteins are in the cells?Diagrams of the cells

Two alleles exist for the lactase gene:

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(draw proteins here)

(draw proteins here)

Two alleles exist for the pigment enzyme gene:

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Allele #1 = functional lactase

Allele #2 = nonfunctional lactase

Allele #1 = nonfunctional lactase

Allele #2 = nonfunctional lactase

Allele codes for functional lactase

Allele codes for nonfunctional lactase

Allele #1 = functional lactase

Allele #2 = functional lactase

Allele codes for functional pigment enzyme

Allele codes for nonfunctional pigment enzyme

Allele #2 = nonfunctional pigment enzyme

Allele #1 = nonfunctional pigment enzyme

Allele #2 = nonfunctional pigment enzyme

Allele #1 = functional pigment enzyme

Allele #2 = functional pigment enzyme

Allele #1 = functional pigment enzyme

Page 4: Proteins in the cells What happens in the cells?PhenotypeDiagrams of the cells All of the lactase proteins are functional Half of the lactase proteins.

Genotypes What proteins are in the cells?Diagrams of the cells

Genotypes What proteins are in the cells?Diagrams of the cells

Two alleles exist for the TSR taste receptor gene:

(draw proteins here)

(draw proteins here)

(draw proteins here)

Two alleles exist for the MAO enzyme gene:

(draw proteins here)

(draw proteins here)

Allele codes for functional TSR receptor protein

Allele codes for nonfunctional TSR receptor protein

Allele codes for fully functional MAO enzyme (fast)

Allele codes for partially functional MAO enzyme (slow)

Allele #2 = partially functional MAO enzyme (slow)

Allele #1 = partially functional MAO enzyme (slow)

Allele #2 = partially functional MAO enzyme (slow)

Allele #1 = fully functional MAO enzyme (fast)

Allele #2 = fully functional MAO enzyme (fast)

Allele #1 = fully functional MAO enzyme (fast)

Allele #2 = nonfunctional TSR receptor protein

Allele #1 = nonfunctional TSR receptor protein

Allele #2 = nonfunctional TSR receptor protein

Allele #1 = functional TSR receptor protein

Allele #2 = functional TSR receptor protein

Allele #1 = functional TSR receptor protein