DNA & RNA
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| 3 parts of an Operon | show 🗑
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| show | subunit of nuelic acidsA subunit of DNA or RNA composed of a nitrogenous base, a phosphate molecule, and a pentose sugar molecule.
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| What moecule contains infor. which directs the operations of a cell? | show 🗑
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| show | (1).Nitrogenous base
(2).5 carbon sugar,
(3) a phosphate
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| show | adenine,thymine,guanine,cytosine
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| Which nitrogenous bases are complements? | show 🗑
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| show | adenine,guanine,cystosine,uracil
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| 2 diffences in DNA and RNA | show 🗑
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| show | tRNA
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| show | Yes because DNA has 2 strands and 1 strand is complentary
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| show | Because 3 condons make up 1 amino acids
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| show | Each new DNA molcule is made up of 1 old nuceotides and 1 new strand. DNA repliaction, because of certain proteins reprents direct that pross unwinding called helicase, DNA polymerase which adds to free nuelitides
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| The molcule responsible for the trasfere of infor from DNA to the ribosomes? | show 🗑
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| show | Protein formed by linking many amino acids together.
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| Does the DNA in your stomach diff form the DNA in your cells of skin? | show 🗑
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| Define operator | show 🗑
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| Distinguish between Repressor and regulators | show 🗑
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| show | an enyme that untwists the double helix of DNA at the replication forks
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| show | an enzyme that catalyzes the elongation of the new DNA at the rlication fork by the addition of nucleotides to the existing chains.
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| messenger RNA | show 🗑
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| show | the basic building block of nucleic acid. It consists of any one of four specific purine or pyrimidine bases attached to a ribose or deoxyribose sugar and phosphate group.
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| show | the largest of the molecules in living organisms. It is composed of a chain of nucleotides that code for the synthesis of specific proteins. DNA and RNA are types of nucleic acid.
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| where is DNA located? | show 🗑
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| what is proteins | show 🗑
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| replication (of DNA) | show 🗑
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| show | Ribosomes are the sites where proteins are assembled
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| show | (ribonucleic acid )
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| show | a form of RNA that binds to specific amino acid molecules and transports them to the ribosomes for the assembly of proteins. Transfer RNA molecules temporarily bond with corresponding messenger RNA codons at the ribosomes in this process of protein synt
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| show | the RNA molecules that are located in the ribosomes.
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| Who dicover the structure of DNA? | show 🗑
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| show | Replication,DNA synthesis,RNA synthesis, translation of protien synthesis
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| Structure of an nucleotide? | show 🗑
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| 3 kinds of RNA | show 🗑
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| 2 kinds of nuclitides and differents | show 🗑
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| 5 differnet types of oraginic bases | show 🗑
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| show | (blank)
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| show | hydrogen bonds
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| show | chemical bond formed between two molecules when the carboxyl group of one molecule reacts with the amino group of the other molecule, releasing a molecule of water (H2O).
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| phophate sugar | show 🗑
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| show | purines
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| what is x-ray crystallgraphy | show 🗑
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| show | A nitrogen- containing, single ring compound that occurs in nucleic acids. In DNA molecules, the purines are adenine and guanine.
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| show | A nitrogen containing, double ring compound that occurs in nucleic acids. In DNA molecules, the pyrimidines are cytosine and thymine.
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| two kinds of nitrogen-containing bases | show 🗑
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| show | adenine and guanine
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| give examples of pyrimidines | show 🗑
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| What are Complementary base pair | show 🗑
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| function of a regulator | show 🗑
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| show | A protein that binds to an operator adjacent to a structural gene, inhibiting transcription of that gene.
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| Operon | show 🗑
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| show | turn genes on off
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| operator | show 🗑
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| codon | show 🗑
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| show | A sequence of three adjacent nucleotides in tRNA designating a specific amino acid that binds to a corresponding codon in mRNA during protein synthesis.
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| show | coined the term messenger RNA gene expression
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| show | The normal process of DNA synthesis, in which the two original strands of the molecule separate, and each acts as a template on which a new complementary strand is laid down.
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