Quiz
Biol. 1110: Exam on Ch. 1, Ch. 2, and Ch. 3
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Perguntas do quiz (67)
1What are basic building blocks of life?
- Amolecules
- Batoms
2Two or more atoms makes a _______ ?
- Acompound
- Bmolecule
3What maintains an internal chemical environment?
- Ahomeostasis
- Bcell membrane
4What is the smallest unit of matter involve in chemical reactions?
- Aatoms
- Bparticles
5Number of protons are also called ?
- Aatomic mass
- Batomic number
6Atoms are made of which subatomic particles?
- Aprotons
- Bnucleus
- Cvalence shell
- Dneutrons
- Eelectrons
7What type of charge does a proton have and where is it located?
- Anegative and electron shell
- Bpositive and in nucleus
8What type of charge does a neutron have and where is it located?
- Ano charge and in nucleus
- Bnegative charge and in nucleus
9What type of charge does a electron have and where is it located?
- Anegative and in electron shells
- Bpositive and in electron shells
10If the whole atom is electrically neutral then ?
- Athe number of neutrons equals the number of electrons
- Bthe number of protons equals the number of electrons
11The atomic mass - protons =
- Aelectrons
- Bneutrons
12The protons + neutrons =
- Aatomic mass
- Batomic number
13The type of atoms with added or subtracted neutrons?
- Aisotopes
- Bisomers
14What type of molecule with the same number and types of atoms but different arrangements?
- Aisotopes
- Bisomers
15Which atom can have the same atomic number but different atomic mass?
- Aisotopes
- Bisomers
16Atoms that have lost or gained electrons?
- Acompound
- Bions
17Two or more atoms joined together?
- Acompound
- Bmolecule
18A molecule that contains at least two atoms?
- Aions
- Bcompound
19An atom with electronegativity that takes a valence electron from an atom of weak electronegativity?
- Aionic bonding
- Bcovalent bonding
20Atoms of more similar electronegativity that shared 1-3 pairs of electrons?
- Aionic bonding
- Bcovalent bonding
21Weak electrical attraction between a positive and negative part of two molecules or a molecule and ion?
- Acovalent bonding
- Bhydrogen bonding
22The basic solvent living things are based on?
- ACarbon
- BH20
23The measurement of a high H+ concentration in a aqueous solutions?
- ApH
- Bacid
24A chemical that adds H+ concentration to a solution?
- Abase
- Bacid
25What pH takes away electrons?
- Aacid
- Bbase
26The pH that takes away protons?
- Aacid
- Bbase
27A high OH-added to a solution ?
- Abase
- Bacid
28How many covalent bonds can Carbon form?
- A4
- B3
- C1
- D5
29What atom can form chemical rings, 3D shaped , molecules, and molecules of 1000 atoms?
- AHydrogen
- BSodium
- CCarbon
30What are composed of dry mass?
- AOrganic molecules
- Bmolecules
31What is an organic functional group?
- Aattached only carbon atoms and molecules to a compound
- Bcombinations of atoms attached to an organic molecule
32Which structure is the hydroxyl group?
- AR-OH
- BR-H-R
33Which structure is the Carboxyl group?
- AR-C-R
- BR-C-OH
34Which structure is the Aledhyde group?
- AR-CH
- BR-CH doubled bonded to O
35Which structure is the Amine group?
- AR-PO
- BR-NH2
36Which structure is the Ether?
- AR double bonded to O-R
- BR-C-R
37Which structure is the ketone group?
- AR doubled bonded to C doubled bonded O-R
- BR-C-R
38Which structure is the phosphate group?
- AR-PO4
- BR double bonded to O double bonded to PO
39What are large molecules made from chains of repeating subunits?
- Apolymers
- Bploynomers
40What is a simple sugar made with CH2O?
- Amonosacharride
- Bdissacharride
41What are polymers with 2 or simple sugars bonded together?
- Apolysacharride
- Bdissacharride
42What complex carb has 3 or more simple sugars bonded together?
- Apolysacharride
- Bdisacharride
43Which biological macromolecule is the largest?
- Alipids
- Bprotein
44Whats are proteins made of?
- Apolymers
- Bamino acids
45Protiens are dissacharides of amino acids linked by ?
- Anucleictides
- Bpeptide bonds
46Which is a peptide bond?
- AAA-O-NH-AA2-O
- BAA-O-NH2-A-O
47What is the first level of a protein funtion?
- Athe level that is coiled/ foiled
- Bthe level that forms a polypeptide
48What is the second level of a protein structure?
- Apolypeptide that is coiled/foiled
- Bpolypeptide that is coiled/foiled with a 3D shape
49What is the third level of a protein structure?
- Athe tertiary level that has a secondary coiled/foiled 3D structure
- Bthe level with 2 or more proteins
50What is the fourth level of a protein structure?
- Atertiary level
- Bthe quaternary level with 2 or more proteins joined together
51What does the structural protein function do?
- Afacilitates
- Bprovides skeletal support for softer cells
52What does enzymes do in a protein function?
- Afacilities and speed up chemical reactions
- Bcarry molecules to proteins
53What does transports do in protein function do?
- Acarry proteins
- Bsome proteins carry other molecules
54What does the membrane receptor protein function do?
- Areceives signals inside of the cell and transport them outside
- Bcarry molecules in and outside o f cells
55What does the membrane channel protein function do?
- Aallow certain molecules to go in outside of cells
- Ballows receptors to facilitate
56What are lipids?
- Anucleic acids
- Boily fats that store long term energy saturated or unsaturated
57What is the difference between unsaturated and saturated fats?
- Aunsaturated fat have no carbon to carbon double bonds and an saturated fats have one or more c to c double bonds
- Bsaturated fats have no carbon to carbon double bonds and an unsaturated fat have one or more c to c double bonds
- Aunsaturated fat have no carbon to carbon double bonds and an saturated fats have one or more c to c double bonds
58What are the basics building blocks of a cell membrane?
- Alipids
- Bphospholipids
59What are the bases for DNA?
- AA, T, C, G
- BA, U, C, G
60What are the bases for RNA?
- AA, T, C, G
- BA, U, C, G
61What does the DNA stores?
- Acopies of RNA
- Ball genetic information
62What is a genes
- Aa segment of DNA molecules that codes to make proteins
- Ba sequence of RNA bases coding for proteins
63What are genes made of?
- ARNA
- Bcodons
64What are sequence of 3 base letters coding words of DNA?
- Acodons
- Bbases
65Each codon?
- Aspecifies an amino acid
- Bspecifies a codon
66There are 20 amino acids and 64 codons
- AVerdadeiro
- BFalso
67There are 34 mini acids and 43 codons.
- AVerdadeiro
- BFalso
Informações
- 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
- Autor
- Tierney Holland
- Idioma
- English
- Visualizações
- 80
- Etiquetas
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