7588511
Descrição
Quiz por Daniel Brand, atualizado more than 1 year ago
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Criado por Daniel Brand
mais de 7 anos atrás
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|
Questão 1
Responda
-
Ribose sugar
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Hexose sugar
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Nitrogenous base
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Phosphate group
-
Nitrogenous base
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Phosphate group
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Amide group
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R group
-
Phosphate group
-
Hexose sugar
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Deoxyribose
-
Nitrogenous base
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Carbon 1
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Carbon 2
-
Carbon 0
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Carbon 4
-
Carbon 5
-
Carbon 5
-
Carbon 3
-
Carbon 1
-
Carbon 6
Questão 2
Questão
Which of the following molecules are derived from nucleic acids? Check all that apply.
Responda
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DNA
-
RNA
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ATP
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AMP
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Polypeptides
-
Glucose polymers
Questão 3
Questão
[blank_start]Complementary[blank_end] [blank_start]base[blank_end] [blank_start]pairing[blank_end] is the type of pairing that ensures that G-C and A-T are correctly and uniquely bonded to each other in DNA, and similarly G-C and A-U in RNA.
Responda
-
Complementary
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base
-
pairing
Questão 4
Questão
ATP is short for [blank_start]adenosine[blank_end] [blank_start]triphosphate[blank_end].
Responda
-
adenosine
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triphosphate
Questão 5
Questão
The difference between AMP, ADP, and ATP is the [blank_start]number[blank_end] of [blank_start]phosphate groups[blank_end].
Responda
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number
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arrangement
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oxidation state
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degree of polarity
-
phosphate groups
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nitrogenous bases
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carbon atoms in the pentose sugar
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OH groups on carbon 2
Questão 6
Questão
Which of the following can be used to describe DNA and RNA? Check all that apply.
Responda
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Contain genetic information
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Macromolecule
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Polymer
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Carbohydrate
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Nucleotide monomers
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Monomers joined by phosphodiester bonds
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Double-stranded
Questão 7
Questão
The sugar in DNA is [blank_start]deoxyribose[blank_end] and the sugar in RNA is [blank_start]ribose[blank_end].
Responda
-
deoxyribose
-
ribose
Questão 8
Questão
One strand of DNA is 5' to 3', while the other is 3' to 5'.
Responda
- True
- False
Questão 9
Questão
The four DNA nucleotides are a[blank_start]denine[blank_end], t[blank_start]hymine[blank_end], c[blank_start]ytosine[blank_end], and g[blank_start]uanine[blank_end]. A and G are p[blank_start]urines[blank_end] and T and C are p[blank_start]yrimidines[blank_end].
Responda
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denine
-
hymine
-
ytosine
-
uanine
-
urines
-
yrimidines
Questão 10
Questão
Which of the following diagrams correctly shows the phosphate-sugar backbone?
Responda
Questão 11
Questão
Which type of bond holds together the opposite bases in a DNA double helix?
Responda
-
Ionic bonding
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Hydrogen bonding
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Disulphide bridges
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Hydrophilic attraction
Questão 12
Questão
In RNA (as opposed to DNA), thymine is replaced with [blank_start]uracil[blank_end].
Responda
-
uracil
Questão 13
Questão
Which of the following are NOT types of RNA? Check all that apply.
Responda
-
tRNA
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mRNA
-
rRNA
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nRNA
-
dRNA
Questão 14
Questão
A nucleosome is a structure composed of [blank_start]DNA[blank_end] [blank_start]wrapped around[blank_end] [blank_start]histone[blank_end] proteins. It allows the DNA to be stored more [blank_start]compactly[blank_end] as chromosomes. This phenomenon only occurs in [blank_start]eukaryotes[blank_end].
Responda
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DNA
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mRNA
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rRNA
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ADP
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wrapped around
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inside loops of
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surrounded by
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histone
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small
-
ninhydrin
-
globular
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compactly
-
in solution
-
broadly
-
eukaryotes
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prokaryotes
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bacteria
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viruses
Questão 15
Questão
The equation that relates to the release of energy from ATP is:
[blank_start]ATP[blank_end] + [blank_start]H2O[blank_end] --> [blank_start]ADP[blank_end] + [blank_start]Pi[blank_end] + [blank_start]energy[blank_end]
Responda
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ATP
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ADP
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Pi
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Glucose
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H2O
-
CO2
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Sunlight
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6O2
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ADP
-
ATP
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CO2
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Pyruvate
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Pi
-
Sigma
-
AMP
-
6CO2
-
energy
-
Glucose
-
ATP synthase
-
H2O
Questão 16
Questão
The enzyme responsible for making ATP is [blank_start]ATP[blank_end] [blank_start]synthase[blank_end].
Responda
-
ATP
-
synthase
Questão 17
Questão
How does ATP differ from other energy storage molecules, such as starch or glycogen?
Responda
-
It's a less stable molecule, so not used for long-term storage.
-
It is known as the universal energy currency because it releases energy in greater quantities.
-
Energy release from ATP is a multi-step process.
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ATP is a polymer which has only one type of monomer.
Questão 18
Questão
What type of reaction is required to release energy from ATP?
Responda
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Hydrolysis
-
Condensation
-
Polymerisation
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Combustion
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