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IMMS > IMMS Revision PTS > Flashcards

IMMS Revision PTS Flashcards

1
Q

What does the Intermembranous space store to maintain an electrochemical gradient in a mitochondria?

A

H+ ions

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2
Q

What are the ezymes in the matrix of the mitochondria for?

A

Krebs cycle

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3
Q

Functions of the plasma membrane (4)

A

Physical barrier
Endo/Exocytosis
Cell signalling
Control of passage for various molecules

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4
Q

Two types of proteins in the plasma membrane

A

Peripheral (outside)
Integral (In the membrane)

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5
Q

3 main types of signalling in Homeostasis

A

Autocrine
Paracrine
Endocirine

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6
Q

What is Auocrine signalling

A

Messenger molecules bind with receptors where the cell where they were produced

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7
Q

What is positive feedback

A

Output of a system amplifies the signal of the input

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8
Q

Three main types of hormone

A

Peptide
Steroid
Amino-acid derivative

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9
Q

Examples of Peptide hormone(4)

A

Insulin, Growth hormone, TSH and ADH

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10
Q

What are steroid hormones made out of

A

Cholesterol (Water insoluble and lipid insoluble)

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11
Q

Are steroid hormones stored?

A

No diffuse out of cell when made

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12
Q

Osmolarity definition

A

Concentration of solutes in plasma per kg of solution

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13
Q

Osmolality definition

A

Concentration of solutes per kg of solvent

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14
Q

Oncotic pressure definition

A

Form of osmotic pressure exerted by a protein

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15
Q

Total volume of water

A

42L

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16
Q

ECF and ICF volumes?

A

14L (ECF)and 28L (ICF)

17
Q

Intravascular fluid amount in ECF (Plasma)

A

3L

18
Q

Extravascular fluid volume

A

11L

19
Q

What is released from the kidneys when there is low BP

A

Renin

20
Q

What does the release of Renin trigger, from where? What does it do

A

Aldosterone
Adrenal gland
Allows sodium to move into the blood

21
Q

Where is ADH released from

A

Posterior pituitary gland

22
Q

Energy in Carbohydrates and Protein

A

4Kcal/g

23
Q

Alcohol amount of energy

A

7kcal/g

24
Q

Lipid amount of energy

A

9Kcal/g

25
Q

BMR meaning and value

A

Basal Metabolic rater
1kcal/kg body mass/hr

26
Q

Where does Glycolysis occur

A

Cytosol

27
Q

Rate limiting enzyme in glycolysis

A

Phosphofructokinase-1

28
Q

ATP, NADH, FADH2 and CO2 productions in krebs cycle (one cycle)

A

1 ATP
3 NADH
1 FADH2
2 CO2

29
Q

What is Beta Oxidation

A

Fatty acid oxidation

30
Q

What are fatty acids converted into at the start to begin beta oxidation

A

Acyl CoA

31
Q

Where does Ketogenesis occur

A

In the liver

32
Q

5 molecules in the preparative stage of glyoclysis

A

Glucose
Glucose-6-phosphate
Fructose-6-phosphate
Fructose-1.6-biphosphate
Glyceraldehyde-3-phosphate

33
Q

5 molecules of the ATP generating phase of glycolysis (after glyceraldehyde-3-phosphate)

A

1,3-Biphosphoglycerate
3-Posphoglycerate
2-Phosphoglycerate
Phosphoenolpyruvate
Pyruvate

34
Q
A

IMMS (1 decks)

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