2086003
Beschreibung
Quiz von Tierney Holland, aktualisiert more than 1 year ago
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Erstellt von Tierney Holland
vor fast 10 Jahre
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Frage 1
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What are basic building blocks of life?
Antworten
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molecules
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atoms
Frage 2
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Two or more atoms makes a _______ ?
Antworten
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compound
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molecule
Frage 3
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What maintains an internal chemical environment?
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homeostasis
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cell membrane
Frage 4
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What is the smallest unit of matter involve in chemical reactions?
Antworten
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atoms
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particles
Frage 5
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Number of protons are also called ?
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atomic mass
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atomic number
Frage 6
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Atoms are made of which subatomic particles?
Antworten
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protons
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nucleus
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valence shell
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neutrons
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electrons
Frage 7
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What type of charge does a proton have and where is it located?
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negative and electron shell
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positive and in nucleus
Frage 8
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What type of charge does a neutron have and where is it located?
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no charge and in nucleus
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negative charge and in nucleus
Frage 9
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What type of charge does a electron have and where is it located?
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negative and in electron shells
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positive and in electron shells
Frage 10
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If the whole atom is electrically neutral then ?
Antworten
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the number of neutrons equals the number of electrons
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the number of protons equals the number of electrons
Frage 11
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The atomic mass - protons =
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electrons
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neutrons
Frage 12
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The protons + neutrons =
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atomic mass
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atomic number
Frage 13
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The type of atoms with added or subtracted neutrons?
Antworten
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isotopes
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isomers
Frage 14
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What type of molecule with the same number and types of atoms but different arrangements?
Antworten
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isotopes
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isomers
Frage 15
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Which atom can have the same atomic number but different atomic mass?
Antworten
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isotopes
-
isomers
Frage 16
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Atoms that have lost or gained electrons?
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compound
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ions
Frage 17
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Two or more atoms joined together?
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compound
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molecule
Frage 18
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A molecule that contains at least two atoms?
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ions
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compound
Frage 19
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An atom with electronegativity that takes a valence electron from an atom of weak electronegativity?
Antworten
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ionic bonding
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covalent bonding
Frage 20
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Atoms of more similar electronegativity that shared 1-3 pairs of electrons?
Antworten
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ionic bonding
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covalent bonding
Frage 21
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Weak electrical attraction between a positive and negative part of two molecules or a molecule and ion?
Antworten
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covalent bonding
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hydrogen bonding
Frage 22
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The basic solvent living things are based on?
Antworten
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Carbon
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H20
Frage 23
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The measurement of a high H+ concentration in a aqueous solutions?
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pH
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acid
Frage 24
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A chemical that adds H+ concentration to a solution?
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base
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acid
Frage 25
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What pH takes away electrons?
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acid
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base
Frage 26
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The pH that takes away protons?
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acid
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base
Frage 27
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A high OH-added to a solution ?
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base
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acid
Frage 28
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How many covalent bonds can Carbon form?
Antworten
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4
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3
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1
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5
Frage 29
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What atom can form chemical rings, 3D shaped , molecules, and molecules of 1000 atoms?
Antworten
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Hydrogen
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Sodium
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Carbon
Frage 30
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What are composed of dry mass?
Antworten
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Organic molecules
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molecules
Frage 31
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What is an organic functional group?
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attached only carbon atoms and molecules to a compound
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combinations of atoms attached to an organic molecule
Frage 32
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Which structure is the hydroxyl group?
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R-OH
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R-H-R
Frage 33
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Which structure is the Carboxyl group?
Antworten
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R-C-R
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R-C-OH
Frage 34
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Which structure is the Aledhyde group?
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R-CH
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R-CH doubled bonded to O
Frage 35
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Which structure is the Amine group?
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R-PO
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R-NH2
Frage 36
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Which structure is the Ether?
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R double bonded to O-R
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R-C-R
Frage 37
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Which structure is the ketone group?
Antworten
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R doubled bonded to C doubled bonded O-R
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R-C-R
Frage 38
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Which structure is the phosphate group?
Antworten
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R-PO4
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R double bonded to O double bonded to PO
Frage 39
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What are large molecules made from chains of repeating subunits?
Antworten
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polymers
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ploynomers
Frage 40
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What is a simple sugar made with CH2O?
Antworten
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monosacharride
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dissacharride
Frage 41
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What are polymers with 2 or simple sugars bonded together?
Antworten
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polysacharride
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dissacharride
Frage 42
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What complex carb has 3 or more simple sugars bonded together?
Antworten
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polysacharride
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disacharride
Frage 43
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Which biological macromolecule is the largest?
Antworten
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lipids
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protein
Frage 44
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Whats are proteins made of?
Antworten
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polymers
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amino acids
Frage 45
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Protiens are dissacharides of amino acids linked by ?
Antworten
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nucleictides
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peptide bonds
Frage 46
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Which is a peptide bond?
Antworten
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AA-O-NH-AA2-O
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AA-O-NH2-A-O
Frage 47
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What is the first level of a protein funtion?
Antworten
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the level that is coiled/ foiled
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the level that forms a polypeptide
Frage 48
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What is the second level of a protein structure?
Antworten
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polypeptide that is coiled/foiled
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polypeptide that is coiled/foiled with a 3D shape
Frage 49
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What is the third level of a protein structure?
Antworten
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the tertiary level that has a secondary coiled/foiled 3D structure
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the level with 2 or more proteins
Frage 50
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What is the fourth level of a protein structure?
Antworten
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tertiary level
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the quaternary level with 2 or more proteins joined together
Frage 51
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What does the structural protein function do?
Antworten
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facilitates
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provides skeletal support for softer cells
Frage 52
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What does enzymes do in a protein function?
Antworten
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facilities and speed up chemical reactions
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carry molecules to proteins
Frage 53
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What does transports do in protein function do?
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carry proteins
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some proteins carry other molecules
Frage 54
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What does the membrane receptor protein function do?
Antworten
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receives signals inside of the cell and transport them outside
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carry molecules in and outside o f cells
Frage 55
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What does the membrane channel protein function do?
Antworten
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allow certain molecules to go in outside of cells
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allows receptors to facilitate
Frage 56
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What are lipids?
Antworten
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nucleic acids
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oily fats that store long term energy saturated or unsaturated
Frage 57
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What is the difference between unsaturated and saturated fats?
Antworten
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unsaturated fat have no carbon to carbon double bonds and an saturated fats have one or more c to c double bonds
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saturated fats have no carbon to carbon double bonds and an unsaturated fat have one or more c to c double bonds
Frage 58
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What are the basics building blocks of a cell membrane?
Antworten
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lipids
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phospholipids
Frage 59
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What are the bases for DNA?
Antworten
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A, T, C, G
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A, U, C, G
Frage 60
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What are the bases for RNA?
Antworten
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A, T, C, G
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A, U, C, G
Frage 61
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What does the DNA stores?
Antworten
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copies of RNA
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all genetic information
Frage 62
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What is a genes
Antworten
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a segment of DNA molecules that codes to make proteins
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a sequence of RNA bases coding for proteins
Frage 63
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What are genes made of?
Antworten
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RNA
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codons
Frage 64
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What are sequence of 3 base letters coding words of DNA?
Antworten
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codons
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bases
Frage 65
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Each codon?
Antworten
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specifies an amino acid
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specifies a codon
Frage 66
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There are 20 amino acids and 64 codons
Antworten
- True
- False
Frage 67
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There are 34 mini acids and 43 codons.
Antworten
- True
- False
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