O The point of the top green arrow. O The right side of the bottom template strand. O The tail of the bottom green arrow. O The tail of the top green arrow.
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- DNA replication is said to be semiconservative because ___ Synthesis can proceed uninterrupted (as a leading strand) in only one direction Each new DNA strand contains one parent strand and one new strand After each round of DNA replication, the original DNA strands joins None of the aboveReview Figures 8.12 and 8.13. In cells, the primers for DNA synthesis are short strands of RNA, so each newly-synthesized strand of DNA has a segment of RNA al its 5 end. As replication proceeds, DNA polymerases remove these RNA segments and fill in the resulting gaps with DNA. However, the gaps at the very 5 ends of the new strands cannot be filled in with DNA. Why not? DNA replication leaves exposed about 100 nucleotides al the 5 end of each template strand, and these single-stranded ends are removed. What are the effects of this "end problem" on a cell's DNA as it continues to divide? FIGURE 8.12 DNA replication. Green arrows show the direction of synthesis for each strand. The Y-shaped structure where the DNA molecule is being unwound is called a replication fork. FIGURE 8.13 Discontinuous synthesis of DNA. This close-up of a replication fork shows that only one of the two new DNA strands is assembled continuously. The other is assembled in short segments.Watch this video (http://openstaxcollege.org/l/DNArep) to learn about DNA replication. DNA replication proceeds simultaneously at several sites on the same molecule. What separates the base pair at the start of DNA replication?
- A particular triplet of bases in the coding sequence of a DNA strand is AGT. What is the corresponding triplet in the complementary strand of 2 points DNA? O AGT О ТСА O UCA O UGT Poovor tf ho coulLfind the ler Gregor Mondolcovnorimontc couab 9MOMaterials Updates The electrical current created during gel electrophoresis forces DNA to move from the negative end to the positive end. Which of the following statements accurately describes why this haepens? * Grades Members O Conferences Molecules always move down their electrical gradient, from negative to positive. DBQ Online The backbone of DNA is negatively charged, forcing it to move towards the positive Newsela end. Since DNA is loaded into wells at the negative end, the only direction they can move is towards the positive end. ormation Biology Periods 1 and 2 ading periods hschool MP1, Highschool 2, Highschool MP3, nschool MP4 The backbone of DNA is positively charged, forcing it to move towards the positive end. tionAUG Met ACG ANALYSIS ANALYSIS: A DNA strand undergoes all the process included in the central dogma. The DNA strand used as a template is given below: Parent strand DNA: 5-AGA-ACT-AAA-СТА-ТCG-СТT-CGT-3 DNA daughter strand: hnRNA: MRNA: original protein: mutated MRNA: mutated protein: second letter G UCU UUU Phe UAU Tyr UGU UGC Cys UAA stop UGA stop| A UAG stop UGG Trp UUC UCC UAC Ser Leu UCA UUG UUA UCG G CUU CCU CAU CGU His CAC CAA CUC C CGC Leu CUA Pro Arg A ССА CGA Gln CAG CUG CCG CGG AUU ACU AAU AUC lle A AUA AAC Asn AAA AGC AGA AGU Ser ACC Thr АСА AAG LyS GAU ASP AUG Met ACG AGG Arg G GUU GCU GGU) GUC GCC GAC GGC Val GUA GCA Ala GAA Gly GGA A Glu GUG GCG GAG GGG G Translating the unmutated MRNA that was obtained after splicing, the original protein sequence will be? The original protein is [A] (For your answer, use the one-letter symbol (all caps) for the amino acid residues separated by dashes, e.g. C-A-S-H). first letter third letter
- of estion 9 t of uestion THCA ▶ Sou 100- HC This reaction is Entropy is THC San Leafly ATA RNA polymerase SSSSSSSSSS ATTOGOGACATAA ATGACGGATCAGCCOCAAG UACUOCCUAGUC RNA Transcript TACTOCCTAGTCGGCOTTCOOCTTAACCOCTOTATIT (In this picture, RNA is being made by complementary base pairing with DNA.) This reaction is → Entropy is ◆The best explanation for why DNA synthesis is discontinuous would be that ____. DNA polymerase can only move along the DNA strand in one direction This allows for efficient error checking of newly synthesized DNA DNA polymerase must stop periodically to reload more nucleotides None of the aboveDNA replication ATGGATCAGHTCCAGGGTACCCA what would the new strand look like
- to Content How does a DNA molecule produce copies of itself? O replication O expression O translation O transcription II ***The diagram shows the structure of DNA with complementary base pairing between strands. Bood 3' CG AT ౦ార G C CG CG 3' 5 What is the benefit of this complementary nature of DNA? O It helps in controlling the amount of protein produced by the cells. O It helps in storing all the information required for the cell to function efficiently. It helps in the synthesizing of two new identical DNA strands from each parent strand O It helps in the unwinding of DNA allowing for the formation of chromosomes during mitosisWhat is the nucleotide sequence of the complementary strand of this DNA molecule A TGCGA? CATAG O A AT G CGA O TACG CT CCGTTAT