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DNA TEST REVIEW
Who Wants to Be a Millionaire?!
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Goal: Reach $1,000,000•4 teams of 7-8 students This is your “audience” when you use a life-line.
•Each person on each team will answer the given question individually.
•If you are stuck, you can use a life-line. Each team gets 4 life-lines:•2 “phone a friend” choose someone on your team to bail you out
•2 “ask the audience” discuss with your entire team the correct answer
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•Each Q you answer correctly, you earn a level on the board.
•If you answer incorrectly, you move down a level on the board.
•Goal is to reach $1,000,000
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PRIZES1 - $1002 - $2003 - $5004 - $1,0005 - $2,0006 - $4,0007 - $6,0008 - $8,0009- $10,00010- $20,000
11 - $30,00012 - $50,00013 - $75,00014 - $100,00015 - $200,00016 - $350,00017 - $500,00018 - $750,00019 - $900,00020 - $1,000,000
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What is the term for a nucleotide triplet (3 bases ) on mRNA?
CODON
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DNA or RNA?
Contains Uracil
RNA
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DNA or RNA
Single stranded
RNA
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DNA or RNA
Contains G &C
BOTH
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DNA or RNA
Cannot leave nucleus
DNA
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Where does translation take place?
RIBOSOME
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If DNA has 40% A, how much (%) C will it contain?
10% C + 10% G40% A = 40% T
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Which enzyme adds new RNA nucleotides to DNA template strand to make mRNA?
RNA POLYMERASE
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What is the first step of protein synthesis?
TRANSCRIPTION
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What is created during translation?
AMINO ACIDS (PROTEINS)
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Term for the copying of DNA?
DNA REPLICATION
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What is the term for spontaneous changes in the DNA sequence?
MUTATIONS
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When DNA is copied, each daughter helix will contain what % of original DNA?
50% ORIGINAL50 % NEW
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What is the term for a mutation that results from an insertion of an extra base?
FRAMESHIFT
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How many nucleotides are necessary to code for 2 amino acids?
6 NUCLEOTIDES (2 CODONS)
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Which enzyme unzips DNA during DNA replication?
DNA HELICASE
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Which enzyme adds new DNA nucleotides to the old DNA template strand?
DNA POLYMERASE
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Which enzyme unzips DNA during protein synthesis?
RNA POLYMERASE
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What type of mutation describes a change from TAC TAG to TAC TA_?
FRAMESHIFT (DELETION)
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What is created during transcription?
mRNA
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What do anti-codons bind to?
CODONS ON MRNA
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What is the sugar found in RNA?
RIBOSE
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Fill in the blank:
DNA RNA _______ Trait
PROTEIN
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Do both prokaryotes & eukaryotes carry out translation in the ribosome?
YES
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What is the monomer/subunit of DNA & RNA?
NUCLEOTIDE
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What are the 3 parts of a nucleotide?
PHOSPHATE, 5-C SUGAR & A NITROGENOUS BASE
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What is the sugar found in DNA?
DEOXYRIBOSE
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On what molecule are anti-codons found?
TRNA
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What type of bonds connect the sugars and phosphates in DNA?
COVALENT BONDS
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How many bases make up 1 anti-codon?
3 BASES
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What is the role of tRNA & anti-codons?
TO CARRY AMINO ACIDS TO THE RIBOSOME
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How does the ribosome know which amino acid to call for?
READS THE CODON ON MRNA & CALLS FOR MATCHING ANTI-
CODON
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Where does transcription take place?
NUCLEUS
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If mRNA: AUC UUADNA: ?
DNA: TAG AAT
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What is the process shown here?
TRANSLATION
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What is the mRNA codon complementary to?
tRNA anti-codon
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What type of bonds hold connect the 2 strands of DNA?
HYDROGEN BONDS
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What are the building blocks of proteins that are connected during translation?
AMINO ACIDS
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Where is rRNA found?
IN RIBOSOMES
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Term for artificially created DNA from 2 different sources?
RECOMBINANT DNA
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What is the term for proteins that DNA wraps around?
HISTONES
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What is B?
AMINO ACID
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What is the term for substances that cause mutations?
MUTAGEN
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What types of cells undergo protein synthesis?
ALL CELLS (even prokaryotes)
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Do prokaryotes carry out transcription in the nucleus?
NO (THEY LACK A NUCLEUS)
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What is the term for DNA that is wrapped around proteins?
CHROMOSOME
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What is a type of mutation where the DNA changes but the resulting amino acid does not?
SILENT MUTATION
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What makes up the backbone of DNA?
SUGAR AND PHOSPHATES
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Are all genes expressed all the time? Explain.
No. When they are not needed, they are “turned off”.
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Do codons code for only 1 amino acid? Can multiple codons code for the same amino acid?MULTIPLE CODONS CODE FOR SAME AMINO ACID
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What is A?
Protein or polypepti
de
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What type of bond connects amino acids together?
PEPTIDE BOND
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Term for cutting genes from one organism and inserting into another organism’s DNA?
GENE SPLICING
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Inserting genes into patients to treat diseases (replace faulty disease causing DNA)
GENE THERAPY
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Placing a cloned embryo into organism’s uterus to grow a new individual?REPRODUCTIVE CLONING
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Growing newly cloned embryo in a petri dish without implanting into a uterus
THERAPEUTIC CLONING
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Running an electric current through DNA samples to determine an individual’s DNA pattern
DNA FINGERPRINTING
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How many DNA molecules are created during DNA replication?2 IDENTICAL MOLECULES OF DNA
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What % of 1 DNA molecule created during replication is considered “new” DNA?
50% New 50% old
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Term for mutation that originally coded for an amino acid which now codes for a STOP codon?
NONSENSE MUTATION
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Term for allowing only organisms with certain traits to reproduce to give desired offspring
SELECTIVE BREEDING (ARTIFICIAL SELECTION)
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How many TOTAL strands are seen at the end of DNA replication?
4 DNA strands
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What is the term for multiple amino acids together?
POLYPEPTIDE
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What does GMO stand for?
GENETICALLY MODIFIED ORGANISM