Chp. 10 Bio test

39 terms by alg913

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transfer of genetic material from one cell to another


viruses that infect bacteria


sugar in DNA

nitrogenous base

contains nitrogen and carbon atoms and is a base (accepts hydrogen atoms)


adenine and guanine


thymine, cytosine, and uracil

base-pairing rules

C to G, A to T

complementary base pairs

C-G, A-T

base sequence

order of nitrogenous bases on a chain


separate DNA strands by breaking hydrogen bonds

dna replication

DNA is copied in a cell before it divides

replication fork

y-shaped region that is created when 2 strands separate from each other

dna polymerase

add complementary nucteotides (found floating in the nucleus) to the original strands

semi-conservative replication

each of the new DNA molecules has kept one of the two original DNA strands


change in the nucleotide sequence of a DNA molecule (can disrupt an important cell function)

ribonucleic acid

(RNA) Copied DNA. One strand, contains uracil


corresponding RNA strand forms


RNA forms the protein


carries message to ribosome


bonds to amino acids in the cytoplasm


makes ribosomes

protein synthesis

forming proteins based on DNA and carried out by RNA


sugar in RNA

rna polymerase

enzyme that binds to gene's promoter


specific nucleotide sequence of DNA when RNA polymerase binds and starts transcription

termination signal

specific sequence of nucleotides that marks the end of a gene

genetic code

rules that relate how a sequence of nitrogenous basis responds to an amino acid


3-nucleotide sequence in mRNA that encodes an amino acid or signifies a start or stop signal

stop codons

certain sequences of nucleotides in mRNA


three nucleotides on RNA that are complementary to the codons


complete genetic content


1949. A-T, C-G, No U in DNA. Discovered DNA was a molecule.

griffith and avery

1900's. used BACTERIA viruent into a non-effected bacteria, in which the noninfected bacteria was then filled will virulent DNA and made you sick

hershey and chase


watson and crick

1953. Proposed structure for DNA


what forms when RNA stays in the nucleus instead of moving to the cytoplasm?


transcription takes place...


translation takes place..

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