Fill in the blanks in the table below regarding the similarities and differences between two cellular processes: DNA replication and transcription. DNA replication Transcription A separate helicase enzyme is recruited to unwind DNA (Yes/ No) Polymerase moves along the DNA template from 5' to 3' or 3' to 5? The region on DNA from which the process starts is called:

Fill in the blanks in the table below regarding the similarities and differences between two cellular processes: DNA replication and transcription. DNA replication Transcription A separate helicase enzyme is recruited to unwind DNA (Yes/ No) Polymerase moves along the DNA template from 5' to 3' or 3' to 5? The region on DNA from which the process starts is called:

Anatomy & Physiology

1st Edition

ISBN:9781938168130

Author:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Publisher:Kelly A. Young, James A. Wise, Peter DeSaix, Dean H. Kruse, Brandon Poe, Eddie Johnson, Jody E. Johnson, Oksana Korol, J. Gordon Betts, Mark Womble

Chapter3: The Cellular Level Of Organization

Section: Chapter Questions

Problem 3ILQ: Watch this video (http://openstaxcollege.org/l/DNArep) to learn about DNA replication. DNA...

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Which of the following statements is NOT TRUE about genomic DNA replication? O A DNA replication begins at the origin of replication and proceeds bi-directionally O B. New nucleotides can be added by the DNA polymerase only to the 3 end of the growing strand O. Synthesis of new DNA is catalyzed by the enzymes called DNA polymerases OD. DNA replication is semi-conservative OE. DNA replication proceeds continuously on both parental DNA strands.
cytosine In DNA, guanine always forms hydrogen bonds with The process of eplication produces a new copy of an organism's genetic information, which is pass What is the first step in the process of DNA replication? Unzip the DNA Which enzyme is responsible for "unzipping" the DNA double helix? helicase Which enzyme is responsible for assembling the DNA during replication? DNA polymerase Why is DNA replication important to the growth and development of a multi-cellular organism? Because the daughter cells need a complete set of DNA Write the complementary bases of the strand below according to the base-pair rule. ATCCAGTAG GAC TAGGICATCCTG Writing a Full Strand: 1. A. Original DNA: Complementary DNA: CCT ATA TCT CTC TAT ATC TCT CAT ACT GTG TGT CTC TAT B. Make identical strands of DNA CCT ATA TCT CTC TAT ATC TCT CAT ACT GTG TGT CTC TAT (original) (new) A. Original DNA: Complementary DNA: (new) (complementary from 1A) CCG GAT TTT AAT TAG CTA CTA TCG TAC TAC GTT GGT GCT B. Make identical…
PART 4: TERMINATION OF REPLICATION When the ends of linear chromosomes are reached there is a 3' overhang of single stranded DNA. This is because the RNA primer located at this position has been removed and DNA polymerase cannot replace that primer with DNA (without a primer). This apparent dilemma is solved by an enzyme called Telomerase. Telomerase extends the DNA at the end of chromosomes, called telomeres. Telomeres are stretches of repeated And yd 5 ITT 3¹ 5 TTTTT 3¹ LL 3' is in 35mming 5' Telomere Repeats TITTAGGG TTAGGG TTAGGG 3 5' CCAAUCCC of chromosomes. Telomerase 3 Telomere Repeats 5⁰ VITTAGGGTTAGGG TTAGGG TTAGGG 3 AATCCC AATCCC AAUG( CCAAUCCC 9.0 Telomerase 1. The RNA nucleotides part of the telomerase structure is used as the In ins DNA polymerase DNA sequences. Telomerase recognizes the repeated sequence, binds to it, and then lays down more nucleotides, lengthening the telomere. 3' Telomerase is composed of amino acids and RNA nucleotides. In the image above the amino…
During DNA replication, one of the new strands of DNA is synthesized continuously, while the other is synthesized as a number of separate fragments of DNA that are subsequently linked by DNA ligase. This is because O replication starts at many points on the chromosome RNA primers only anneal to one of the parental strands of DNA one of the parental strands is unwound slower than the other by helicase DNA polymerase III only synthesizes DNA in the 5' - 3' direction
1. Determine what amino acid will be formed from the given DNA strand below: 3’ T A C A T G C C G A A T G C C 5’ 2. how will replication happen by mentioning the enzyme needed then transcribe to form mRNA. 3. Discuss what will happen to mRNA, then translate, mentioning the anticodon to be used 4. Look at the genetic code to know what amino acid will become part of the polypeptide chain.
1. For each of the items below, give a brief description (indicate function for enzymes) and indicate in which process (replication, transcription, or translation) it is involved with. helicase Description/Funetion catalyzes the unwinding of DNA strands Process involved in replication 11. terminator 12. ribosome 13. amino-acyl RNA site 14. MRNA 15. tRNA 16. rRNA 17. Shine-Dalgarno sequence 18. start codon 19. Okazaki fragments 20. coding strand 21. peptidyl tRNA site
Match the enzymes involved in DNA replication with their function. Primase [ Choose ] [ Choose] Synthesizes short RNA segment to initiate new DNA strand Helicase Main enzyme that extends RNA primer by adding DNA nucleotides to it Stabilizes single-stranded DNA Relieves over-winding of DNA ahead of the replication fork Removes RNA primers preceding Okazaki fragment and replaces RNA nucleotides with DNA nucleotides Single-stranded binding proteins Unwinds DNA helix Synthesizes the ends of the linear chromosome Seals nicks between adjacent DNA segments DNA polymerase III [ Choose ] DNA polymerasel [ Choose ] DNA Ligase [ Choose ] Topoisomerase [ Choose ]
1. Describe the process of autophosphorlyation 2. Differentiate between chromosomes and genes. 3. Think about what happens at the replication fork. If the gene for helicase is mutated, what part of replication will be affected and how? 4. There are three common types of chemical changes that can damage DNA at any time post-replicatively. In basic terms, name and describe any two of the three types of damage. please help me quick
Review Figures 8.12 and 8.13. In cells, the primers forDNA synthesis are short strands of RNA, so each newlysynthesized strand of DNA has a segment of RNA atits 5′ end. As replication proceeds, DNA polymerasesremove these RNA segments and fill in the resulting gapswith DNA. However, the gaps at the very 5′ ends of thenew strands cannot be filled in with DNA. Why not?DNA replication leaves exposed about 100 nucleotidesat the 5′ end of each template strand, and these singlestranded ends are removed. What are the effects of this“end problem” on a cell’s DNA as it continues to divide
During DNA replication two strands are being synthesized: the Leading Strand and the Lagging Strand. In which direction are these two growing strand being synthesized? Leading Strand grows 5' to 3. Lagging Strand grows 3' to 5' Leading Strand grows 3' to 5. Lagging Strand grows 5' to 3' Both Leading Strand and Lagging Strand grow 3' to 5' Both Leading Strand and Lagging Strand grow 5' to 3'
During DNA replication, the function of RNA primers is to Group of answer choices serve as a binding site for DNA ligase separate the two strands of the double helix to open replication "bubbles" serve as starting points for DNA strand elongation by DNA polymerase in the 3' - 5' direction prevent new-separated strands of DNA from rejoining serve as starting points for DNA strand elongation in the 5' - 3' direction by DNA polymerase
2. What is the difference between the old and the new DNA strands? 3. What process invoives the production of MRNA using DNA as template? 1. In the Central Dogma, what process involves the production of a new DNA strand using an old DNA strand as blueprint or template? * How is replication different from transcription in terms of product? 5 What do you call each triplet code made up of three linearly arranged nucleotides in the MRNA? 6 What is the complement of the mRNA tripiet code in the tRNA? 7 In what way is tRNA different from MRNA? 8 In what ways are RNA and DNA similar? 9. In what ways are they different?