moreee exxxammmmmmsssss Flashcards by Caroline C. | Brainscape

Q

WHat isit called when the sugar phosphates are on the opposite side?

A

antiparallel

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Q

WHat synthesis and elongates the new DNA>

A

DNA polymenerase

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Q

WHat do we call the 2 differnt strands of DNA

A

Leading strand and lagging strand

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Q

leading strand

A

built continously

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Q

lagging strand

A

built in pieces

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Q

What glues together the fragments in replication

A

DNA ligase

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Q

WHats is when DNA is copied into mRNA

A

transcription

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Q

mRNA

A

carries the recipe from DNA to ribosome to make these proteins

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Q

tRNA

A

picks up amino acids

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Q

rRNA

A

combines with protein to make ribosomes

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Q

deifferences in structure of and DNA

A

RNA: single stranded, ribose sugar, uricel
DNA: vdouble stranded, deoxyrose, thymene

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Q

What happens to mRNA before it leaves the nucleus

A

exons and itrons

cap and tale added

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Q

What are the 3 words ?

A

codons

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Q

WHy is the shape of a protein so important?

A

form=function

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Q

What is it called when a gene is turned on?

A

expression

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Q

WHat is the difference in gene expression in prokaryiotic vs. eukaryotic?

A

Pro.: simpler, have operons

Euk.: more complicated, no operons

Q

WHat is the difference between lytic and lysogenic cylce of a virus?

A

Lyt. : kills cells quickly

Lys.: does not kill them right away