Test
Chapter 2 – Cengage
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Preguntas del test (33)
1Which subatomic particle contains a positive charge?
- Aproton
- Belectron
- CBoth the neutron and electron
- DBoth the proton and neutron
- ENeutron
2Which subatomic particle contains a neutral charge?
- ABoth the neutron and electron
- BNeutron
- CElectron
- DBoth the proton and neutron
- Eproton
3What does the mass number of an atom represent?
- ANumber of protons and electrons
- BNumber of protons and neutrons
- CNumber of neurons and electrons
- DNumber of neutrons
- ENumber of protons
4What is the maximum number of electrons that can be housed in the first shell of an atom?
- A4
- B3
- C1
- D5
- E2
5How many electrons will be found in the second shell of a carbon atom?
- A1
- B3
- C4
- D5
- E2
6How many additional electrons will chlorine need to obtain in order to have a complete outer shell of
electrons?- A4
- B3
- C1
- D2
- E5
7What type of chemical bond forms when two elements equally share their electrons?
- Ahydrogen
- Bionic
- Cnonpolar covalent
- Dpolar covalent
- Enone of these choices
8How many electrons are shared in a double covalent bond?
- AElectrons are not shared in covalent bonds.
- BTwo pairs
- CThree pairs
- DFour pairs
- EOne pair
9What type of chemical bond forms between two hydrogen atoms in order to form hydrogen gas?
- ATriple covalent bond
- BHydrogen bond
- CDouble covalent bond
- DSingle covalent bond
- EIonic bond
10What term describes a substance that will resist dissolving in water?
- AHydrophobic
- BSolvent
- CSolute
- DHydrophilic
- EAmphipathic
11What charge does a hydrogen atom have in a water molecule?
- AStrongly positive
- BSlightly negative
- CStrongly negative
- DSlightly positive
- ENeutral
12What does the pH scale measure?
- AThe concentration of nitrogen ions in a solution
- BThe amount of solute dissolved in a solution.
- CThe amount of protein in a solution.
- DThe concentration of hydrogen ions in a solution.
- EThe concentration of carbon ions in a solution.
13Which substance will release hydrogen ions into solution?
- Abase
- Bbuffer
- Cacid
- Dall of these choices
- Enone of these choices
14Which solution has the strongest concentration of hydrogen ions?
- Amilk
- Bcoffee
- Ctears
- Dbleach
- Eorange juice
15Which substance will absorb hydrogen ions from a solution?
- Abase
- Bacid
- Cbuffer
- Dall of the above
- Enone of the above
16How many pounds of fat does the average American eat per year? Good test question.
- A70
- B22
- C45
- D110
- E10
17Which of the following foods contain hydrogenated vegetable oil?
- Acrackers
- Bpeanut butter
- Ccookies
- Dfrench fries
- Eall of the above
18What atom can be found in all of the molecules of life?
- Asulfur
- Bsodium
- Ccarbon
- Dnitrogen
- Ecalcium
19What are the two main atoms that are found in organic compounds?
- AHydrogen and Sodium
- BHydrogen and Carbon
- CHydrogen and Oxygen
- DNitrogen and Hydrogen
- ECarbon and Oxygen
20Which chemical process will break apart a large molecule such as a protein, into smaller molecules?
- Adevelopment
- Bhydrolysis
- Ccondensation
- Dreproduction
- Emetabolism
21Which one of the following is the simplest form of a carbohydrate?
- AOligosaccharide
- BDisaccharide
- CTetrasaccharide
- DPolysaccharide
- EMonosaccharide
22In animals ________ is the sugar-storage equivalent of starch in plants
- Aglycogen
- Bcellulose
- Csucrose
- Dglucose
- Echitin
23Which one of the following is not a lipid?
- Aoil
- Bwax
- Cglucose
- Dfatty acid
- Esteroid
24Fatty acids, waxes and oils are classified in what category of biomolecules?
- ANone of these choices.
- BProteins
- CCarbohydrates
- DNucleic acids
- ELipids
25Which type of lipid is the most abundant and richest source of energy in vertebrate bodies?
- Acarbohydrates
- Boils
- Cwaxes
- Dfatty acids
- ETriglycerides
26What are the basic building blocks of proteins?
- Aglucose
- Bamino acids
- Cnucleic acids
- Dfatty acids
- Esucrose
27What type of chemical bond is found between two amino acids?
- ANonpolar covalent
- BPeptide bond
- CAmino acids don't form bonds
- DHydrogen bond
- EIonic bond
28Which level of protein structure consists of a linear sequence of amino acids?
- Atertiary
- Bquaternary
- Csecondary
- Dprimary
- Eprimary and secondary
29What term describes the unwinding (unraveling) of the overall shape of a protein?
- AMetabolism
- BDenaturation
- CBreakdown
- DCondensation
- EHydrolysis
30Which disease is associated with prions?
- AMad cow disease
- BCreutzfeldt-Jacob
- CBovine spongiform encephalitis
- DScrapie
- EAll the above are associated with prions
31Which organic molecule functions as a subunit of DNA and RNA?
- AFatty acids
- BNucleotides
- CAmino acids
- DMonosaccharides
- EPolypeptides
32What is the sugar component of DNA?
- Aribose
- Bsucrose
- Cglucose
- Dlactose
- Edeoxyribose
33How many phosphates are found in a molecule of ATP?
- A2
- B5
- C4
- D1
- E3
Información
- Descripción
- Human Biology Test sobre Chapter 2 – Cengage, creado por Julia Bui el 23/02/2017.
- Autor
- Julia Bui
- Idioma
- English
- Visitas
- 2
- Etiquetas
- Valoración
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