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