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TRANSCRIPT
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Hosted
by
The Greatest Biology teachers at Rider
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Structure Potpourri Mutations Protein Synthesis
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Row 1, Col 1
1 What do these three statements describe?I. Instructions for translating information into proteinsII. Alignment and sequence of genes on a chromosome
III. Composed of nucleotide triplets
The genetic code
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1,2
What process results in two complete strands of DNA from
one original strand?
DNA replication
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1,3
Cell mutations within a DNA sequence create genetic diversity.
True
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1,4
What is the function of mRNA in the diagram above?
carrying the genetic message from the nucleus to a ribosome
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2,1
DNA provides a very significant role in the formation and development
of an organism. What is that role?
Encodes information
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2,2
Mutations occur during replication.
TRUE, but many are corrected
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2,3
Describe this mutation.
Deletion of a portion of the genes on the p arm of chromosome 5
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2,4
What is the purpose of this process?
Create polypeptides (proteins)
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3,1
DNA regenerates after cell division.
FALSE (it copies before cell division)
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3,2
The codon chart above is usedonly for humans.
FALSE, its universal
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3,3
Any change in the sequence of DNA nucleotides is called?
Mutation
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3,4
What is the role of the ribosome in protein synthesis?
Translates the mRNA into an amino acid chain
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4,1
The genetic code is different forplants, animals, and bacteria.
FALSE, the genetic code is universal
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4,2
All nucleotides are the same.
FALSE, they each have a different Nitrogen base
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4,3
Mutations that may be passed from parent to offspring occur
in which type of cell?
Gametic (Sex) cell
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4,4
What part of protein synthesisdoes this diagram represent?
tRNA (transfer RNA)
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5,1
A linear code of 3 sequential bases on one side of a
DNA molecule is a ______.
Codon
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5,2
Thymine - UracilCytosine - Guanine
FALSE: A-T, G-C
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5,3
A missense (point) mutation Almost always produces a
functional protein.
TRUE, it encodes the same amino acid as the original codon.
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5,4
What does the ‘X’ represent?
Anticodon