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Colby Stone | Bio Test 1 4th 9 weeks (ONLINE) v1 | Completed 3/13/2017 4:08 PM | 33.5/50 (67%) Student's Answer Word Bank Cytosine insertions nucleotide Thymine a Correct r Incorrect = Partial Credit Adenine deletions inversion Pentose Sugar translocation Codon Guanine Nitrogenous Base Phosphate Group a1) In the picture A represents the [Phosphate Group], C represents the [Nitrogenous Base], and D represents the [Pentose Sugar] of a whole [nucleotide] as represented by B. a2) The DNA Structure is made up of different nucleotide attached together by the phosphate group of one nucleotide attaching to the Pentose sugar of the next nucleotide. a) True b) False . a3) The amount of Thymine will always equal the amount of Guanine. a) True b) False . a4) The four nitrogenous base that make up the rungs of the DNA ladder are [Adenine], [Cytosine], [Guanine], and [Thymine]. Colby Stone | Bio Test 1 4th 9 weeks (ONLINE) v1 | Completed 3/13/2017 4:08 PM | 33.5/50 (67%) =5) Do your best to describe in as much detail as you can the complete structure of the DNA molecule. The structure of a complete structure of the DNA molecule is that there are two phosphate groups attached to each other by the four base Adenine, Cytosine, Guanine, and Thymine. Match each Nitrogenous base with its correct category. a Pyrimidine a) Guanine =6) =7) b Purine b) Thymine =8) d Pyrimidine c) Adenine =9) c Purine . d) Cystosine . a10) Why do some say DNA resembles a zipper? Some people say DNA resembles a zipper because during DNA replication, the DNA unzips like a zipper. Please put the steps of DNA replication in order. e 1 r11) a12) a 2 a) The Helicase Enzyme protein unzips the DNA stand r13) b 3 b) The DNA molecule untwists a14) c 4 c) The new strand bonds together a15) d 5 d) Two Identical DNA molecules are the result e) Free nucleotide bases pair with the newly exposed bases of the original DNA molecule . . r16) How does DNA hole information? [Not Answered] r17) Translation is the process of building the mRNA molecule instructions that is a match of the original DNA molecule in which is in a condensed code that can be delivered to the ribosome and then interpreted to build proteins. a) True b) False . r18) Transcription is the process of the ribosomes reading and interpreting the mRNA code and producing the amino acid chains that can be used to produce proteins. a) True b) False . Colby Stone | Bio Test 1 4th 9 weeks (ONLINE) v1 | Completed 3/13/2017 4:08 PM | 33.5/50 (67%) Please place the steps of transcription in order. c 1 =19) =20) b 2 =21) a 3 a22) d 4 a) Free RNA nucleotide bases attach to the free bases of the exposed DNA molecule b) The DNA molecule unzips much like in replication c) Uracil is replaces Thymine as Adenine complementary part . d) The new formed mRNA is now coded and separates and heads to the ribsomes . Please place the steps of mRNA translation in order a 1 a) the amino acid chain that is the building r23) blocks of proteins is formed. b 2 r24) r25) d 3 r26) c 4 b) the amino acids that are attached to the other end of the tRNA the bond c) The Ribosome receives the mRNA . d) tRNA with anticodones match to the codones of the mRNA strand . a27) Name 2 ways the structure of DNA and RNA are different name a 3rd and get 1 bonus point. RNA is smaller, has only one strand, and has Uracil instead of Thymine a28) A set of 3 nitrogenous bases that are apart of a set of three nucleotides attached to the DNA strand is a [Codon]. a29) A set of 3 nitrogenous bases in which are attached to a tRNA that match amino acids to form the amino acid chains is an [anitcodon] a30) Ribosomes translate the mRNA message beginning at the start codon and ending at the stop codon. a) True b) False . a31) Why is it important that there is a signal to stop the ribosome from translating? It is important that there is a signal to stop because if there wasn't, the ribosome would keep translating and would never stop. a32) the four types of mutations are [insertions], [inversion], [deletions], and [translocation]. r33) A point mutation is a mutation that occurs at a specific point in time within a gene. a) True b) False .