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32 Cards in this Set
- Front
- Back
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hereditary info in the nucleus
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dna
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what dna stands for
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deoxyribonucleic acid
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what dna looks like
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a double helix or twisted ladder
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when does dna replication take place?
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during cell division
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in what phase does dna replicate?
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interphase-S phase
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the two functions of dna
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stores hereditary info and tells rna which and when to make proteins
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what a nucleotides make
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nucleic acids
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the parts of a nucleotide
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phosphate group, sugar, base
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"rungs of the ladder"
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bases
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bases with 1 carbon ring
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thymine and cytocine
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form a double bond
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adenine and thymine
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form a triple bond
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cytosine and guanine
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discovered dna
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watson and crick
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associated with the shape of dna
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rosalind franklin
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each single strand of dna after it unzips
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complementary
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moves into place where the strands have been unzipped
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dna polymerase
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where the complementary bases are found for replication
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free floating in he cytoplasm
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hair, skin, nails, muscles
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examples of proteins
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where does protein synthesis take place
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ribosome
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rna stands for..
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ribonucleic acid
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the function of rna
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receives, interprets and uses the inforrecieved from dna to make proteins
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when the genetic code of DNA is read and decoded.
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transcription
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In transcription, info is transferred to a molecule of what
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RNA
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what m RNA does
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bring the code from the DNS to the ribosome
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rRNA makes up the what
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ribosome
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acid that transfers an amino acid to the mRNA on the ribosome
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tRNA
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an Amino Acid chain
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polypeptide
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the transferred code of 3 nucleotides on an mRNA and represents a particular amino acid
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codon
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AUG
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methionine
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what brings the anticodon to the mRNA to form a polypeptide
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tRNA
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what do chains of polypeptides become
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proteins
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two reasons dna split and unzip
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to replicate and make two copies of dna for cell dvision.
to make rna for protein synthesis. |
