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bilogoy 12 > Metabolism > Flashcards

Metabolism Flashcards

1
Q

produce that Irene containing the hormone thyroxine, which regulates metabolism

A

Thyroid

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2
Q

DEfficiency in thyroid hormone

A

Hypothyroidism

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3
Q

An excess of thyroid hormone as a result of an overactive thyroid gland

A

Hyperthyroidism

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4
Q

Menstrual iregularity, cold intolerance depression, muscle crumps, weight gain dry skin

A

Hypothyroidism

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5
Q

Weight loss increased appetite anxiety heat intolerance hair loss sweating

A

Hyperthyroidism

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6
Q

Monitors circulating thyroid hormone levels and respond to low levels while releasing thyrotropin releasing hormone

A

Hypothalamus

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7
Q

When thyroid hormone levels increase the hypothalamus produces

A

Thyroid, stimulating hormone

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8
Q

To build molecules

A

Anabolic metabolism

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9
Q

To break down molecules

A

Catabolic metabolism

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10
Q

Spontaneous or energy releasing

A

Exergonic reaction

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11
Q

Energy is absorbed

A

Endergonic

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12
Q

Energy of the enderginic photosynthesis reaction comes from the

A

Sun

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13
Q

Endergonic reactions can be pushed by coupling them to another reaction, which is the strongly exergonic

A

Coupling reaction

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14
Q

X+Y+ATP=XY+ADP+P

A

Coupling reaction

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15
Q

Function of ATP

A

Supplies energy to synthesize former from monomer and supplies energy for transport

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16
Q

Oxidation of glucose

A

An exergonic reaction which drives the synthesis of ATP which is endergonic

17
Q

Cellular respiration is

A

40%. Efficient

18
Q

Uncatalyzed reaction

A

Require a higher activation energy than catalyzed but the no difference in free energy

19
Q

Active site

A

Uninduced enzyme binding the first substrate changing it to
enzyme-substrate-complex

20
Q

Every reaction in cells require its specific

A

Enzyme and named after their substrates

21
Q

Factors affecting the speed of enzyme

A

Substrate concentration
Enzyme concentration
Temperature and Ph

22
Q

Substrate concentration increases

A

Enzyme activity increases

23
Q

More enzyme

A

More and faster reaction

24
Q

Higher temperature

A

Speed reaction unless gets to high and denatures the protein

25
Q

A change in —- can alter the ionization of the R groups in amino acid and change the shape of the protein

A

PH

26
Q

Many enzyme requires —— to function properly

A

Inorganic mineral or organic non protein coenzyme

Cofactors

27
Q

Occurs when an active enzyme is prevented from combing whit its substrate

A

Enzyme inhibition

28
Q

Heavy metals acts like

A

Non competitive inhibition changes the shape

29
Q

Changing the ph toward the optimal ph will

A

Increase the rate of reaction

30
Q

Competitive inhibition

A

Interferes with active site so substrate can not bind

bilogoy 12 (8 decks)

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