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A Level Biology > Chap14 Hormonal Communication > Flashcards

Chap14 Hormonal Communication Flashcards

1
Q

Pituitary glands

A

Produces anti-diuretic hormone for reabsorption of water in kidneys and gonadotropins for ovaries and testes development

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2
Q

Thyroid gland

A

Produces thyroxine controlling metabolism rate

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3
Q

Adrenal gland

A

Produces adrenaline increasing heart rate and breathing rate

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4
Q

Testis

A

Produces testosterone controlling sperm production

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5
Q

Pineal gland

A

Produces melatonin affecting reproductive development

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6
Q

Thymus

A

Produces thymosin promoting production of white blood cells

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7
Q

Pancreas

A

Produces insulin converting glucose into glycogen in liver

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8
Q

Ovaries

A

Production of oestrogen and progesterone controlling sexual characteristics

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9
Q

Exocrine gland

A

Produces enzymes that are released via duct into duodenum

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10
Q

Endocrine gland

A

Produce hormones and release them into blood

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11
Q

Islets of langerhans

A

Produce insulin (beta cells) and glucagon (alpha cells)

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12
Q

Glycogenolysis

A

Glycogen stored in liver and muscle broken down into glucose
Increasing BGC

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13
Q

Gluconeogenesis

A

Production of glucose form non carbohydrates

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14
Q

Glycogenesis

A

Production of glycogen

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15
Q

What enzyme is activated when adrenaline binds to its receptor?

A

Adenylyl cyclase

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16
Q

What does increasing cAMP levels activate?

A

Protein kinases

17
Q

Medulla oblongata

A

Controlling heart rate

18
Q

Accelerator nerve

A

Transmits impulses increasing heart rate through sympathetic nervous system

19
Q

Vagus nerve

A

Sends impulses decreasing heart rate through parasympathetic nervous system

20
Q

Baroreceptors

A

Pressure receptors
Detect change in blood pressure
In aorta, vena cava, carotid arteries

21
Q

Chemoreceptors

A

Chemical receptors
Detect change in chemical levels in blood
In aorta, carotid artery and medulla

A Level Biology (20 decks)

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