DNA and RNAChapter 12

JEOPARDY #2S2C06 Jeopardy Review http://faculty.uca.edu/~johnc/mbi1440.htm

GeneGeneRegulationRegulation VocabVocab LacLac operon operon TranscriptionTranscription TranslationTranslation

100 100 100 100 100

200 200 200 200 200

300 300 300 300 300

400 400 400 400 400

500 500 500 500 500

Gene Regulation100

Place on the lac operon you would expect see a repressor attached

A: What is the operator ?

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Gene Regulation 200

A: TATA boxes, hox genes, enhancer regions, ?

Tell one kind of regulatory DNA sequence seen in eukaryotic BUT NOT prokaryotic DNA

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Gene Regulation 300

A: What are hox genes?

Series of genes that controls developmentand differentiation in embryos

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Gene Regulation 400

A: promoter

Name the place on DNA where RNA polymerase attaches to start transcription

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Gene Regulation 500

A: lactose binds to the repressor and keeps it away from the operator

When lactose is present and glucose is not, what molecule binds to the repressor protein to turn on the lac operon?

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Vocabulary100

A: What are amino acids ?

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Subunits used to make proteins

Vocabulary 200

A: What is transcription?

DNA → RNA

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Vocabulary 300

A: What are introns ?

Sequence of DNA that is NOT involved in coding for a protein which is cut out of the m-RNA molecule before it is read by the ribosomes

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Vocabulary 400

A: What is a repressor ?

Molecule that binds to the operator region of an operon and “turns the gene off”

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Vocabulary 500

A: What is a nucleosome?

Beadlike structure formed by coiling DNA around histone proteins that pack together to form chromosomes

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Lac operon100

A: What is digest lactose?

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What do the genes found in the lacoperon do?

Lac operon 200

A: What is operator ?

Region of the lac operon wherethe repressor binds

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Lac operon 300

A: What is: OFF ?

If glucose is present, the lac operon is turned _________

ON OFF

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Lac operon 400

A: What is Repressor molecule attached to operator blocks RNA Polymerase from attaching?

What prevents RNA polymerase from

transcribing the lac genes when the operon is turned off ?

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Lac operon 500

The repressor protein can bind to the operator or to lactose

Name the two binding sites on the repressor protein.

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Transcription100

A: What is DNA → RNA?

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Which of the following shows transcription?

RNA→ proteins DNA→ DNA DNA → RNA

Transcription200

A: What is mRNA?

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Name the kind of RNA that wouldhave a codon

Transcription300

A: What is the nucleus?

Place in the cell where transcription and mRNA editing take place

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Transcription400

A: What are exons ?

Sequences of DNA that are NOT cut out of the corresponding RNA molecule and are expressed

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Transcription500

A: What is: C A G U G A ?

Give the RNA message for this piece of DNA:

G T C A C T

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Translation100

A: What is a polypeptide?

Another name for a protein

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Translation200

A: What is proteins?

Tell what kind of molecules combine with rRNA to make ribosomes

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Translation300

A: What is A G U U U G

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Tell the 2 ANTICODONS for this mRNA?

Translation400

A: What is PROLINE?

Which amino acid does the codon CCAcode for?

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Translation 500

A: What is G U A ?

Give the mRNA codon this tRNA

would match

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