Applied Lectures Flashcards

1
Q

Definition of Lactose Intolerance

A

a person is unable to digest lactose

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2
Q

Symptoms of Lactose Intolerance

A
  • stomach aches
  • gas
  • cramps
  • bloating
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3
Q

Galactosemia

A

individual lacks the enzyme that converts galactose into glucose

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4
Q

Cystic Fibrosis

A
  • genetic disorder that causes mucus in the lungs
  • occurs because of the deletion of the amino acid phenylalanine
  • occurs because of mutations in the CTFR
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5
Q

Retinoblastoma

A
  • disruption of Rb protein
  • fails to serve as a cell cycle break
  • abnormal cell division grows very fast
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6
Q

Androgen Insensitivity

A

-mutation that changes the nucleotide sequence of a single gene, causing a single type defective protein to be produced

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7
Q

CTFR

A

-transports Cl- ions into and out of the cell, which helps control the movement of water resulting in thin free flowing mucus

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8
Q

Mytilus

A
  • clings to rocks and is resistant to the pounding water

- have keratin and other proteins that act as an adhesive known as bosses

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9
Q

Spirit Bears

A

mutation in the MC1R gene which encodes for a protein responsible for regulating skin and hair colour in mammals

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10
Q

Bird Sex Chromosomes

A
  • sex determination controlled through dosage of DMRT1 gene

- two sexes are caused by an imbalance of the dosages

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11
Q

Geckos Sex Chromosomes

A

-temperature influences what sex an animal is

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12
Q

Xenopus

A

-DM-W is the master female sex regulator detected in many xenopus

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