Homework Answers
Ans)Transfer of DNA and tRNA to the 3'end. Reverse transcription of ~100 nucleotides at 5' terminus is catalyzed by reverse transcriptase.Continued synthesis of DNA leads to extension of minus strand DNA.Ribonuclease activity removes all the plus strand of RNA except for a small fragment used as a primer.Completion of the short segment of the plus strand DNA and removal of both primers.Reverse transcriptase moves to the other strand and completes the complementary (minus) strand DNA synthesis.
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New DNA Reverse transcriptase moves to the other strand and completes complementary (minus) strand DNA synthesis...
Below is a diagram showing the synthesis of a complementary strand of DNA. The primers are...
Below is a diagram showing the synthesis of a complementary
strand of DNA.
The primers are labeled A, B, C, D, and E, and are shown in red.
Which primer would have been synthesized first?
A
B
C
D
E
1.) What is the reaction catalyzed by the enzyme reverse transcriptase? a. Synthesis of RNA from a...
1.) What is the reaction catalyzed by the enzyme reverse transcriptase? a. Synthesis of RNA from a DNA template b. Synthesis of DNA from a single-stranded RNA molecule c. Cleavage of DNA at a sequence-specific site d. Circularization of restriction fragments e. Ligation of DNA fragments 2.) In Bacillus subtilis, regulation of transcription of the trp operon is A. Controlled solely through attenuation B. Mediated by a protein denoted TRAP C. Independent on translation D. All of the above E. B...
5) The following sequence of bases is present along one chain of a DNA double-helix that...
5) The following sequence of bases is present along one chain of a DNA double-helix that has opened up at a replication fork, and synthesis of an RNA primer on this template begins by copying the base in bold. 3' - ... TCT GAT ATC AGT ACG ... - 5' a) If the RNA primer consists of 8 nucleotides, what is its base sequence? b) In the intact RNA primer, which nucleotide has a free hydroxyl (-OH) terminus and what...
Where would you find histones? A. Part of the RNA polymerase complex that transcribes DNA. B....
Where would you find histones? A. Part of the RNA polymerase complex that transcribes DNA. B. In a virus, helping to "inject" foreign DNA into a cell. C. Bound to an enhancer to regulate transcription. D. Asscoiated with DNA to make chromatin. What is the role of DNA ligase during DNA replication? A. It unwinds the parental double helix. B. It synthesizes RNA nucleotides to make a primer. C. It joins lagging strand (Okazaki) fragments together. D. It stabilizes the...
The following diagram represents a replication bubble associated with DNA synthesis. Based on this diagram, select...
The following diagram represents a replication bubble associated
with DNA synthesis. Based on this diagram, select all of the
options below that are true.
1 | 2 ---- Quadrants 1 and 4 are associated with lagging strand synthesis Quadrants 1 and 4 are associated with leading strand synthesis Quadrants 1 and 2 are associated with lagging strand synthesis Quadrants 3 and 4 are associated with lagging strand synthesis Synthesis of both daughter strands is completely continuous Telomerase activity is needed...
Vocabulary: DNA Replication
Vocabulary: DNA Replication A. Helicase B. Primase C. Single Strand Binding Protein (SSB) D. Topoisomerase E. Origin of Replication F. DNA Polymerase G. Leading Strand H. Lagging strand I. DNA Ligase J. Okazaki Fragment K. Replication Fork L. RNA Primer M. Topoisomerase .1. Site where the replication of a DNA molecule begins. 2. The new continuous complementary DNA strand synthesized in the direction for the replication fork. 3. A discontinuously synthesized DNA strand that elongates in a direction away from the replication fork 4. Relaxes...
11. A gene is best defined as a. A segment of DNA b. Three nucleotides that...
11. A gene is best defined as a. A segment of DNA b. Three nucleotides that code for an amino acid. C. A sequence of nucleotides in DNA that codes for a functional product. d. A sequence of nucleotides in RNA that codes for a functional product. e. A transcribed unit of DNA. 12. Which of the following statements is false? a. DNA polymerase joins nucleotides in one direction only. b. The leading strand of DNA is made continuously c....
Question 14: The answers on 14 and 9 are incorrect. Answer the question 14 and question...
Question 14:
The answers on 14 and 9 are incorrect.
Answer the question 14 and question 9 plz, thanks a lot.
Helicase strand Refer to the above diagrams and match the components of the replisome with the description of their function A Extends an Okazaki fragment Single-stranded binding Holds DNA polymerase in place proteins (SSBPs) during strand extension H Topoisomerase Catalyzes the breaking of hydrogen bonds between base pairs to open Primase - leading strand the double helix D. Catalyzes...
Table 1B: Protein Synthesis with 2nd DNA Template Strand DNA Codons in the 2nd Template Strand...
Table 1B: Protein Synthesis with 2nd DNA Template Strand DNA Codons in the 2nd Template Strand mRNA Sequence (List codons) Amino Acids in the Protein **Use the Genetic Code Chart on page 217 to determine the amino acids that will be placed in the protein Questions: 19. The three letter "code words of DNA and RNA that specify amino acids are called: A. codons B. promoters C. Introns D. anticodons 20. Proteins are composed of building blocks called: A. fatty...
ID: 4 A new sugar, sugarose, induces synthesis of two anxvmes from the sug operon or...
ID: 4 A new sugar, sugarose, induces synthesis of two anxvmes from the sug operon or are know to be involved in sugarose utilization. The table below shows the induction of two enzymes from the sug operon of E. coll. Four genes enzymes in strains carrying doletion mutations co ntion affecting each on Here, ' means the enzyme is induced normally, 'C' means the enzyme '0' means the enzyme is never detected. cod normally, 'C' means the enzyme was synthesized...
Below is a diagram showing the synthesis of a complementary
strand of DNA.
The primers are labeled A, B, C, D, and E, and are shown in red.
Which primer would have been synthesized first?
A
B
C
D
E
The following diagram represents a replication bubble associated
with DNA synthesis. Based on this diagram, select all of the
options below that are true.
1 | 2 ---- Quadrants 1 and 4 are associated with lagging strand synthesis Quadrants 1 and 4 are associated with leading strand synthesis Quadrants 1 and 2 are associated with lagging strand synthesis Quadrants 3 and 4 are associated with lagging strand synthesis Synthesis of both daughter strands is completely continuous Telomerase activity is needed...
11. A gene is best defined as a. A segment of DNA b. Three nucleotides that code for an amino acid. C. A sequence of nucleotides in DNA that codes for a functional product. d. A sequence of nucleotides in RNA that codes for a functional product. e. A transcribed unit of DNA. 12. Which of the following statements is false? a. DNA polymerase joins nucleotides in one direction only. b. The leading strand of DNA is made continuously c....
Question 14:
The answers on 14 and 9 are incorrect.
Answer the question 14 and question 9 plz, thanks a lot.
Helicase strand Refer to the above diagrams and match the components of the replisome with the description of their function A Extends an Okazaki fragment Single-stranded binding Holds DNA polymerase in place proteins (SSBPs) during strand extension H Topoisomerase Catalyzes the breaking of hydrogen bonds between base pairs to open Primase - leading strand the double helix D. Catalyzes...
Table 1B: Protein Synthesis with 2nd DNA Template Strand DNA Codons in the 2nd Template Strand mRNA Sequence (List codons) Amino Acids in the Protein **Use the Genetic Code Chart on page 217 to determine the amino acids that will be placed in the protein Questions: 19. The three letter "code words of DNA and RNA that specify amino acids are called: A. codons B. promoters C. Introns D. anticodons 20. Proteins are composed of building blocks called: A. fatty...
ID: 4 A new sugar, sugarose, induces synthesis of two anxvmes from the sug operon or are know to be involved in sugarose utilization. The table below shows the induction of two enzymes from the sug operon of E. coll. Four genes enzymes in strains carrying doletion mutations co ntion affecting each on Here, ' means the enzyme is induced normally, 'C' means the enzyme '0' means the enzyme is never detected. cod normally, 'C' means the enzyme was synthesized...
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