1843801
Questão 1
Questão
A protein's function is determined by the protein's shape.
Responda
- True
- False
Questão 2
Questão
What determine's a protein's shape?
Responda
-
the order of its amino acids
-
whether is has an amino group
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the size of the protein
Questão 3
Questão
The order of mRNA nucleotides translated by the ribosomes determines ____________________.
Responda
-
the order of amino acids
-
the protein's function
-
the protein's shape
Questão 4
Questão
The order of DNA nucleotides in the gene determines __________________
Responda
-
the order of mRNA nucleotides
-
the shape of the protein
-
the function of the protein
Questão 5
Questão
Genetic mutations are "misspellings"
Responda
- True
- False
Questão 6
Questão
An antibody protein is shaped so that it can "handcuff" a particular antigen
Responda
- True
- False
Questão 7
Questão
DNA is ____________________ (check all that apply)
Responda
-
the original code for printing proteins
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the self-replicator
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made from RNA
Questão 8
Questão
The first step in the replication of DNA is ____________________________
Responda
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unzipping of the double helix
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complementary base pairing
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proofreading the new copies and replacing incorrect nucleotides
Questão 9
Questão
When new complementary nucleotides are added to each side, what is created?
Responda
-
one double helix that is identical to the original
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two double-helices, each identical to the original
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two double-helices, each different from the original
Questão 10
Questão
Opening every chromosome down the middle of the DNA molecule describes the unzipping of the DNA double-helix
Responda
- True
- False
Questão 11
Questão
What is the complementary nucleotide that matches with Adenine?
Responda
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Thymine
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Cytosine
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Guanine
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Adenine
Questão 12
Questão
What is the complementary nucleotide that matches with Guanine?
Responda
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Adenine
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Thymine
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Cytosine
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Guanine
Questão 13
Questão
Molecular symbols of the genetic code are _________________________
Responda
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nucleotides
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genes
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nucleus
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amino acids
Questão 14
Questão
All cells have a nucleus.
Responda
- True
- False
Questão 15
Questão
The nucleus is the eukaryotic cell's hard-drive.
Responda
- True
- False
Questão 16
Questão
The small molecular parts that make up proteins are ____________________.
Responda
-
genes
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amino acids
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nucleotides
Questão 17
Questão
The mRNA transcribed from DNA is like a flash-drive.
Responda
- True
- False
Questão 18
Questão
Ribosomes translate mRNA code and synthesize (make) protein.
Responda
- True
- False
Questão 19
Questão
A codon is made up of three nucleotide bases.
Responda
- True
- False
Questão 20
Questão
RNA is __________ (check all that are true)
Responda
-
A copy of DNA
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Double-stranded
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Single-stranded
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Made of the nucleotides A, C, G, U
Questão 21
Questão
Nucleotides are: (select one or more answers)
Responda
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ACGT
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ACGU
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Used to figure out what the “recipe” says
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Come in 3 letter segments called codons
Questão 22
Questão
Ribosomes are where:
Responda
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DNA lives
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RNA is decoded
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Amino Acid chains start forming
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DNA unzips
Questão 23
Questão
Amino Acid chains come together to form:
Responda
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DNA
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RNA
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Proteins
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