Module 1 (Chemistry) Flashcards

1
Q

solute particles are very tiny, do not settle out or scatter light. (ex. IV soution, mineral water)

A

Solution

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2
Q

solute particles are larger than in a solution and scatter light; do not settle out;

A

Colloid

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3
Q

solute are very large, settle out, and may scatter light.

A

Suspension

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4
Q

example of suspension?

A

centrifuged blood

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5
Q

a concentration measurement in the blood

A

Milligrams / deciliter (mg/dL)

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6
Q

any element or compound equal to its molecular weight in grams.

A

Mole

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7
Q

study of chemical composition and reactions of living matter.

A

Biochemistry

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8
Q

compounds that lack carbon except carbon dioxide and carbon monoxide.

A

Inorganic compounds

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9
Q

Most abundant and important inorganic compound in living material; the universal solvent

A

Water

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10
Q

cushions the body

A

Water

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11
Q

Ionic compound containing cations other than H+ and anions other than the hydroxyl ions (OH-).

A

Salts

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12
Q

what are salts when not yet intaken?

A

mineral

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13
Q

what are salts when it is already ingested?

A

Electrolytes

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14
Q

proton donors; substance that release hydrogen ions in detectable amounts;

A

acids

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15
Q

the number of ____ released determines the acidity of the solution

A

protons

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16
Q

proton acceptors; substances that take up hydrogen ions in detectable amounts

A

Bases

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17
Q

measures the relative concentration of hydrogen ions in various body fluids;

A

pH - Potential Hydrogen

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18
Q

ideal pH of human body; ideal for biological processes (most important is oxygenation of blood)

A

7.35-7.45 (ave. 7.40)

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19
Q

pH below 7.35

A

acidemia

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20
Q

pH above 7.45

A

Alkalemia

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21
Q

When acids and bases mix, displacement reaction happen to form _____

A

water and salt

22
Q

*Stomach is acidic due to ____

A

HCl (Hydrochloric Acid)

23
Q

pH of the stomach

A

2-4

24
Q

molecules that neutralizes acid in the stomach

A

Antacids

25
Q

Consists of a weak acid and a weak base that resists abrupt and large changes in the pH of body fluids by Releasing hydrogen ions when the pH begins to rise and by Binding hydrogen ions when the pH drops

A

Buffers

26
Q

Molecules unique to living systems all contain _____

A

Carbon

27
Q

What is the charge of carbon?

A

none, electroneutral

28
Q

large complex molecules with thousands of atoms

A

macromolecules

29
Q

chainlike molecules made of smaller, similar subunits (monomers)

A

Polymers

30
Q

Monomers are joined by removal of OH from one monomer and removal of H from the other at the site of bond formation

A

Dehydration Synthesis

31
Q

Monomers are released by the addition of a water molecule, adding OH to one monomer and H to other

A

Hydrolysis

32
Q

sugars and starches; provide ready, easily used source of cellular fuel.

A

carbohydrates

33
Q

insoluble in water but dissolve readily in other lipids, alcohol and ether.

A

lipids

34
Q

fats when solids; oil if liquid; yields large amounts of energy

A

triglycerides

35
Q

fats with one single covalent bonds between carbon atoms

A

Saturated fats

36
Q

fats that contains one or more double bonds between carbon atoms

A

unsaturated fats

37
Q

solidified fats by addition of H atoms at carbon double bonds; related to high cardiovascular health risks.

A

trans fat

38
Q

modified triglycerides with glycerol, 2 fatty acids, and phosphate group (PO4)

A

Phospholipids

39
Q

found in cell membranes

A

Eicosanoids

40
Q

promote inflammation; reduced by paracetamol

A

Prostaglandins

41
Q

basic structure material of the body and plays vital roles in cell function.

A

Proteins

42
Q

building block of protein

A

amino acids

43
Q

protein that functions as mechanical support

A

Structural proteins

44
Q

protein for catalysis

A

Enzyme proteins

45
Q

Proteins that move substances

A

Transport Proteins

46
Q

proteins for movement

A

Contractile Protein

47
Q

Proteins for transmitting signals between cells; chemical messengers

A

Communication proteins

48
Q

proteins that protect against disease

A

Defensive proteins

49
Q

largest molecules in the body;

A

nucleic acids

50
Q

2 major classes of nucleic acids

A

DNA, RNA

51
Q

Energy from glucose is released from catabolism and captured in the bonds of ___

A

Adenosine triphosphate

52
Q

an energy transferring molecule in cells and provides energy immediately usable by all body cells

A

Adenosine triphosphate