Biol. 1110: Exam on Ch. 1, Ch. 2, and Ch. 3

Descrição

Exam came from notes I took in class on Ch. 1: Characteristics of Life, Ch. 2: Chemical Basics of Life/Atoms and Molecules/ Organic Chemistry, and Ch. 3: Biological Macromolecules
Tierney Holland
Quiz por Tierney Holland, atualizado more than 1 year ago
Tierney Holland
Criado por Tierney Holland quase 10 anos atrás
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Resumo de Recurso

Questão 1

Questão
What are basic building blocks of life?
Responda
  • molecules
  • atoms

Questão 2

Questão
Two or more atoms makes a _______ ?
Responda
  • compound
  • molecule

Questão 3

Questão
What maintains an internal chemical environment?
Responda
  • homeostasis
  • cell membrane

Questão 4

Questão
What is the smallest unit of matter involve in chemical reactions?
Responda
  • atoms
  • particles

Questão 5

Questão
Number of protons are also called ?
Responda
  • atomic mass
  • atomic number

Questão 6

Questão
Atoms are made of which subatomic particles?
Responda
  • protons
  • nucleus
  • valence shell
  • neutrons
  • electrons

Questão 7

Questão
What type of charge does a proton have and where is it located?
Responda
  • negative and electron shell
  • positive and in nucleus

Questão 8

Questão
What type of charge does a neutron have and where is it located?
Responda
  • no charge and in nucleus
  • negative charge and in nucleus

Questão 9

Questão
What type of charge does a electron have and where is it located?
Responda
  • negative and in electron shells
  • positive and in electron shells

Questão 10

Questão
If the whole atom is electrically neutral then ?
Responda
  • the number of neutrons equals the number of electrons
  • the number of protons equals the number of electrons

Questão 11

Questão
The atomic mass - protons =
Responda
  • electrons
  • neutrons

Questão 12

Questão
The protons + neutrons =
Responda
  • atomic mass
  • atomic number

Questão 13

Questão
The type of atoms with added or subtracted neutrons?
Responda
  • isotopes
  • isomers

Questão 14

Questão
What type of molecule with the same number and types of atoms but different arrangements?
Responda
  • isotopes
  • isomers

Questão 15

Questão
Which atom can have the same atomic number but different atomic mass?
Responda
  • isotopes
  • isomers

Questão 16

Questão
Atoms that have lost or gained electrons?
Responda
  • compound
  • ions

Questão 17

Questão
Two or more atoms joined together?
Responda
  • compound
  • molecule

Questão 18

Questão
A molecule that contains at least two atoms?
Responda
  • ions
  • compound

Questão 19

Questão
An atom with electronegativity that takes a valence electron from an atom of weak electronegativity?
Responda
  • ionic bonding
  • covalent bonding

Questão 20

Questão
Atoms of more similar electronegativity that shared 1-3 pairs of electrons?
Responda
  • ionic bonding
  • covalent bonding

Questão 21

Questão
Weak electrical attraction between a positive and negative part of two molecules or a molecule and ion?
Responda
  • covalent bonding
  • hydrogen bonding

Questão 22

Questão
The basic solvent living things are based on?
Responda
  • Carbon
  • H20

Questão 23

Questão
The measurement of a high H+ concentration in a aqueous solutions?
Responda
  • pH
  • acid

Questão 24

Questão
A chemical that adds H+ concentration to a solution?
Responda
  • base
  • acid

Questão 25

Questão
What pH takes away electrons?
Responda
  • acid
  • base

Questão 26

Questão
The pH that takes away protons?
Responda
  • acid
  • base

Questão 27

Questão
A high OH-added to a solution ?
Responda
  • base
  • acid

Questão 28

Questão
How many covalent bonds can Carbon form?
Responda
  • 4
  • 3
  • 1
  • 5

Questão 29

Questão
What atom can form chemical rings, 3D shaped , molecules, and molecules of 1000 atoms?
Responda
  • Hydrogen
  • Sodium
  • Carbon

Questão 30

Questão
What are composed of dry mass?
Responda
  • Organic molecules
  • molecules

Questão 31

Questão
What is an organic functional group?
Responda
  • attached only carbon atoms and molecules to a compound
  • combinations of atoms attached to an organic molecule

Questão 32

Questão
Which structure is the hydroxyl group?
Responda
  • R-OH
  • R-H-R

Questão 33

Questão
Which structure is the Carboxyl group?
Responda
  • R-C-R
  • R-C-OH

Questão 34

Questão
Which structure is the Aledhyde group?
Responda
  • R-CH
  • R-CH doubled bonded to O

Questão 35

Questão
Which structure is the Amine group?
Responda
  • R-PO
  • R-NH2

Questão 36

Questão
Which structure is the Ether?
Responda
  • R double bonded to O-R
  • R-C-R

Questão 37

Questão
Which structure is the ketone group?
Responda
  • R doubled bonded to C doubled bonded O-R
  • R-C-R

Questão 38

Questão
Which structure is the phosphate group?
Responda
  • R-PO4
  • R double bonded to O double bonded to PO

Questão 39

Questão
What are large molecules made from chains of repeating subunits?
Responda
  • polymers
  • ploynomers

Questão 40

Questão
What is a simple sugar made with CH2O?
Responda
  • monosacharride
  • dissacharride

Questão 41

Questão
What are polymers with 2 or simple sugars bonded together?
Responda
  • polysacharride
  • dissacharride

Questão 42

Questão
What complex carb has 3 or more simple sugars bonded together?
Responda
  • polysacharride
  • disacharride

Questão 43

Questão
Which biological macromolecule is the largest?
Responda
  • lipids
  • protein

Questão 44

Questão
Whats are proteins made of?
Responda
  • polymers
  • amino acids

Questão 45

Questão
Protiens are dissacharides of amino acids linked by ?
Responda
  • nucleictides
  • peptide bonds

Questão 46

Questão
Which is a peptide bond?
Responda
  • AA-O-NH-AA2-O
  • AA-O-NH2-A-O

Questão 47

Questão
What is the first level of a protein funtion?
Responda
  • the level that is coiled/ foiled
  • the level that forms a polypeptide

Questão 48

Questão
What is the second level of a protein structure?
Responda
  • polypeptide that is coiled/foiled
  • polypeptide that is coiled/foiled with a 3D shape

Questão 49

Questão
What is the third level of a protein structure?
Responda
  • the tertiary level that has a secondary coiled/foiled 3D structure
  • the level with 2 or more proteins

Questão 50

Questão
What is the fourth level of a protein structure?
Responda
  • tertiary level
  • the quaternary level with 2 or more proteins joined together

Questão 51

Questão
What does the structural protein function do?
Responda
  • facilitates
  • provides skeletal support for softer cells

Questão 52

Questão
What does enzymes do in a protein function?
Responda
  • facilities and speed up chemical reactions
  • carry molecules to proteins

Questão 53

Questão
What does transports do in protein function do?
Responda
  • carry proteins
  • some proteins carry other molecules

Questão 54

Questão
What does the membrane receptor protein function do?
Responda
  • receives signals inside of the cell and transport them outside
  • carry molecules in and outside o f cells

Questão 55

Questão
What does the membrane channel protein function do?
Responda
  • allow certain molecules to go in outside of cells
  • allows receptors to facilitate

Questão 56

Questão
What are lipids?
Responda
  • nucleic acids
  • oily fats that store long term energy saturated or unsaturated

Questão 57

Questão
What is the difference between unsaturated and saturated fats?
Responda
  • unsaturated fat have no carbon to carbon double bonds and an saturated fats have one or more c to c double bonds
  • saturated fats have no carbon to carbon double bonds and an unsaturated fat have one or more c to c double bonds

Questão 58

Questão
What are the basics building blocks of a cell membrane?
Responda
  • lipids
  • phospholipids

Questão 59

Questão
What are the bases for DNA?
Responda
  • A, T, C, G
  • A, U, C, G

Questão 60

Questão
What are the bases for RNA?
Responda
  • A, T, C, G
  • A, U, C, G

Questão 61

Questão
What does the DNA stores?
Responda
  • copies of RNA
  • all genetic information

Questão 62

Questão
What is a genes
Responda
  • a segment of DNA molecules that codes to make proteins
  • a sequence of RNA bases coding for proteins

Questão 63

Questão
What are genes made of?
Responda
  • RNA
  • codons

Questão 64

Questão
What are sequence of 3 base letters coding words of DNA?
Responda
  • codons
  • bases

Questão 65

Questão
Each codon?
Responda
  • specifies an amino acid
  • specifies a codon

Questão 66

Questão
There are 20 amino acids and 64 codons
Responda
  • True
  • False

Questão 67

Questão
There are 34 mini acids and 43 codons.
Responda
  • True
  • False

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