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BIOCHEM LECTURE > MOds > Flashcards

MOds Flashcards

1
Q

branch of science which deals with study of the composition and properties of matter and:
-the changes it undergoes
-the energy accompanying those changes
-the laws and principles

A

CHEMISTRY

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2
Q

study of elements in the periodic table

A

INORGANIC CHEMISTRY

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3
Q

study of carbon containing compounds

A

organic chemistry

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4
Q

bio means..?

A

life

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5
Q

examples of organic compounds: NSPO

A

Nitrogen, Sulfur, Phosphorus and Oxygen containing compounds

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6
Q

the study of macromolecules and their metabolic activities in the body

A

Molecular Biochemistry

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7
Q

2 aspects of Biochemistry

A

Molecular Anatomy and Physiology

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8
Q

Metabolic activities of biomolecules in the cell.

A

Digestion, Absorption, Assimilation, Utilization, Integration, Metabolic Degradation, Biotransformation, Excretion

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9
Q

a process by which a polar compound (contain + and - ions) is broken apart into its individual ionic components when placed in an aqueous solution.

A

Dissociation / Ionization

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10
Q

occurs in the presence of water,

A

Ionization

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11
Q

Substances whose water solutions conduct electricity

A

Electrolytes

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12
Q

they completely ionized in H2O soln.

A

Strong Electrolyes

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13
Q

incompletely or partially ionized in H2O soln.

A

Weak Electrolytes

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14
Q

substances whose water solution do not conduct electricity

A

Non-Electrolytes

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15
Q

HCL, HNO3, H2SO4`

A

strong acids

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16
Q

NaOH, KOH, CaOH2

A

strong bases

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17
Q

acetic acid (CH3OOH)

A

Weak acid

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18
Q

aniline ammonia

A

weak base

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19
Q

organic compounds

A

non-electrolytes

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20
Q

a reaction which goes to completion

A

Irreversible Reaction

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21
Q

Evidence of Irreversible Reaction

A

Evolution of Gas
a precipitate is formed
Work is done with the products

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22
Q

a reaction which does not go to completion

A

Reversible Reaction

23
Q

state in which 2 opposing reactions proceed at the same rate

A

chemical Equilibrium

24
Q

rate at which products are formed

A

Rf - Forward Reaction

25
Q

Rate at which reactants are formed

A

Rb - backwards reaction

26
Q

at chemical equilibrium:

A

Rf = Rb

26
Q

at chemical equilibrium:

A

Rf = Rb

26
Q

at chemical equilibrium:

A

Rf = Rb

27
Q

Considered as a weak electrolyte. amphoteric and amphiprotic in nature

A

Water

28
Q

can act as both acid and base

A

Amphoteric

29
Q

substance that can both accept and donate a proton or H

A

Amphiprotic

30
Q

Ionization constant of water / Kw

A

Kw = [H30+][OH-]

31
Q

introduced by Danish biochemist by the name of Soren Sorensen

A

pH expression

32
Q

a mix of weak electrolye with its salt

A

Buffer

33
Q

mix of weak acid + salt of weak acid
mix of weak base + salt of weak base

A

Acid Buffer
Base Buffer

34
Q

an ion produced from the dissociation of acid; removal of hydrogen

A

conjugate base

35
Q

proton hydrogen donor; formed when it combines with hydrogen

A

Conjugate Acid

36
Q

pH of a solution of a weak acid (or base) and its salt

A

HENDERSON - HASSELBALCH EQUATION

37
Q

factors affecting blood pH

A

nature of Diet (Proteins/fats - acidify ~ fruits and Veg - alkalinize)
vigorous exercise (tend to acidify blood)

38
Q

metabolic disturbances in acid-base balance of the body

A

ACIDOSIS & ALKALOSIS

39
Q

the acidity of blood fluids and tissues is abnormally high

A

Acidosis

40
Q

condition in which the alkalinity of body fluids are abnormally high

A

Alkalosis

41
Q

performed before obtaining an arterial blood specimen from the radial artery. the adequacy of thew ulnar artery.

A

Allen’s Test

42
Q

ROME - interpreting ABG results

A

Respiratory - Opposite / Metabolic Equal

43
Q

the functional structural basic unit of life

A

Cell

44
Q

Greek means “prenucleus”, not enclosed within a membrane Circular DNA (not associated with histones) floats freely, divide by binary fission, unicellular, Aerobic and Anaerobic

A

Prokaryotes

45
Q

DNA found in nucleus enclosed in a membrane, membrane bound organelles, Mitosis, Aerobic, DNA is complex, Cell is much larger

A

Eukaryotes

46
Q

2 types of cells`

A

Autosomes/Somatic cells
Germ cells/Sex cells

47
Q

parts of the cell

A

nucleus and cell membrane

48
Q

temporary dumping site for cellular garbage

A

Vacuoles

49
Q

Components of the Cytoplasm

A

Water (most abundant)
Carbohydrates (CHO) main source of energy/ fuel for metabolic activities of the cell
FATS (provides elasticity)
Proteins (CHON) - gives strength to cell membrane
Electrolytes - charged particles

50
Q

subunits of the cell

A

cell organelle

51
Q

gives the cell support

A

cytoskeleton

52
Q

division of nucleus

A

Mitosis

BIOCHEM LECTURE (5 decks)

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