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BCHEM > Chapter 1/2 > Flashcards

Chapter 1/2 Flashcards

1
Q

Which best describes what happens when molecular compounds melt?

A

Molecules arranged in a regular pattern change to an irregular pattern.

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2
Q

gas, liquid, or solid- lowest density of the three states

A

gas

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3
Q

gas, liquid, or solid- indefinite shape and high density

A

liquid

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4
Q

gas, liquid, or solid- temperature changes significantly infleunce the volume of this state

A

gas

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5
Q

gas, liquid, or solid- pressure changes influence the volume of this state more than the other two states

A

gas

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6
Q

gas, liquid, or solid- constituent particles are less free to move around than in other states

A

solid

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7
Q

What is more electronegative F or Cl

A

F-most electronegtive element

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8
Q

What is more electronegative
Si or N

A

N

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9
Q

What is more electronegative
O or S

A

O

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10
Q

What is more electronegative Rb or Sr

A

Sr

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11
Q

How to determine what bond is the most polar

A

elements bonded furthest away from each other on the period table

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12
Q

difference between a strong and weak acid

A

strong acids completely ionize, weak acids only partially ionize

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13
Q

ph formula

A

pH=-log[H+]

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14
Q

Ka formula

A

Ka=[H+][A-]/[HA]

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15
Q

pKa formula

A

pKa=-logKa

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16
Q

pH formula with pKa

A

pH=pKa + log [base(A-)/acid(HA)]

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17
Q

Note

A

Water molecules are polar molecules and form hydrogen bonds. Oil is nonpolar therefore water molecules do not form strong attractions to oil.

18
Q

Archaea, Bacteria, or Eukarya- most inhabit extreme enviroments

A

Archaea

19
Q

Archaea, Bacteria, or Eukarya- E.coli

A

bacteria

20
Q

Archaea, Bacteria, or Eukarya- cells have a nucleus

A

Eukarya

21
Q

Archaea, Bacteria, or Eukarya- cells have membrane bound organelles

A

Eukarya

22
Q

Archaea, Bacteria, or Eukarya- many are multicellular

A

Eukarya

23
Q

Archaea, Bacteria, or Eukarya- plants

A

eukarya

24
Q

Archaea, Bacteria, or Eukarya- eukaryotes

A

eukarya

25
Q

Archaea, Bacteria, or Eukarya- cells do not have a nucleus

A

archaea and bacteria

26
Q

Archaea, Bacteria, or Eukarya- prokaryotes

A

archaea and bacteria

27
Q

Archaea, Bacteria, or Eukarya- cells contain genetic material

A

all three

28
Q

prokaryotes, eukaryotes, or both- lack membrane-bound organelles

A

prokaryotes

29
Q

prokaryotes, eukaryotes, or both- are generally less than 2 micro (µm) meters

A

prokaryotes

30
Q

prokaryotes, eukaryotes, or both- multicelluar

A

Eukaryotes

31
Q

prokaryotes, eukaryotes, or both- contain mitochondria

A

eukaryotes

32
Q

prokaryotes, eukaryotes, or both- unicellular

A

both

33
Q

note

A

know strucutres of the prokaryotic cell

34
Q

note

A

know rhe structures of the eukaryotic cell

35
Q

note

A

size of organelles in eukaryotic cell ranked largest to smallest

cell nucleus, mitochondrian, ribosome, protein, amino acid, water molecule, protein

36
Q

purpose of the nucleus in the eukaryotic cell

A

storage of genetic information

37
Q

purpose of the ribosome in the eukaryotic cell

A

translation from RNA to proteins

38
Q

purpose of the smooth endoplasmic reticulum in the eukaryotic cell

A

lipid synthesis and drug metabolism

39
Q

purpose of the rough endoplasmic reticulum in the eukaryotic cell

A

surface on which ribosomes bind; takes part in protein synthesis

40
Q

purpose of the mitochondria in the eukaryotic cell

A

energy metabolism and synthesis of ATP

41
Q

note

A

study functional groups

42
Q
A

BCHEM (7 decks)

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