DNA replication?
Help!
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| What does DNA store and transmit? | Genetic or Hereditary info
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| What is a nucleotide made up of? | - 5 carbon sugar
-A phosphate group
- And a nitrogen base
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| What is the base pair rule? | Certain nitrogen bases connect with eachother
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| What nitrogen bases match up with each other? | Adenine & Thymine; Cytosine & Guanine
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| What is the structure of DNA? | A double helix strand
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| What is the "backbone" of DNA composed of? | deoxyribose (sugar) & a phosphate group
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| What holds the Nitrogen bases together? | Hydrogen bonds
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| What are the names of the 4 Nitrogen bases? | Adenine, Thymine, Cytosine, & Guanine
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| What is replication? | The process of which DNA is copied
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| What is the first step of DNA replication? | "Unzipping" the double helix strand
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| Which enzyme is responsible for unzipping the DNA double helix? | DNA helicase (polymerase)
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| Which enzyme is responsible for facilitating the hydrogen bonding between nucleotides in a new DNA molecule? | Polymerase
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| Which enzyme is responsible or creating the covalent bonds that connect the sugar phosphate backbone of the new DNA molecules? | Ligase (polymerase)
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| Which is the 2nd step of DNA replication? | Use the original DNA as a template
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| Which is the 3rd step of DNA replication? | Pasting the DNA strand and making another one
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| Where is RNA *initally created*? | The nucleus, but it eventually leaves the DNA to take genetic info to the cytoplasm and the ribosome
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| What is the sugar of RNA? | Ribose
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| How many strands does RNA have? | 1
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| What nitrogen base does RNA use thats different than DNA? | Uraril (RNA) / Thymine (DNA)
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| What are the types of RNA? | -mRNA
-rRNA
-tRNA
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| What is mRNA? | A type of RNA that takes genetic information from DNA to the ribosome to tell them which types of protiens to make
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| What does mRNA look like? | A stright line with nitrogen bases
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| What is rRNA? | Its a part of a ribosome
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| What is tRNA? | Takes amino acids to ribosomes to make protiens
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| What is transcription? | The making of RNA from DNA
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| What Does DNA polymerase create? | DNA (duh!)
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| What enzyme is required in transcription? | RNA polymerase
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| What is the first process of transcription? | RNA polymerase binds to DNA and seprates the strands
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| What is the second process of transcription? | RNA polymerase uses the one strand of DNA as a template
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| What is the shape of tRNA | A t like shape
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| What us the shape of rRNA | A blob like shape
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| Name the 2 purines | Adenine and Guamine
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| Name the 2 pyrimidines | Thymine and Cytosine
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| Why is DNA considered semi-conservitive | Because i has a new and old strand of DNA
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| What is transcription | The making of RNA from DNA
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| What is translation | The making of protiens from RNA
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| Which type of RNA is madr during transcription | mRNA
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