Homework Answers
Heavy chain arrangement for Ab, D, and J regions are involved in the development of B cells. In this process firstly D & J regions are spiced, then D-J combination occurs, then the V gene segment is added, in this D-J complex, developing the VDJ gene segment. Then RNA synthesis occurs as a primary transcript along with the addition of Mu and delta chains.
This is the complete step by step sequencing in the development of B cells.
Hence the given statement is True.
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QUESTION 37 During Heavy chain rearrangement for Ab, D and J regions are...
Question 5 1 pts Which of the following statements regarding the construction of V-region sequences is...
Question 5 1 pts Which of the following statements regarding the construction of V-region sequences is correct? (Select all that apply.) Light-chain V regions result from a single somatic recombination between V and J segments. Heavy-chain V regions result from two somatic recombinations of V, D, and J segments; the first joins V to D, and the second joins VD to J. Reversible alterations in the immunoglobulin genes occur during the development of B cells. Somatic recombination of heavy- and...
Question 5 1 pts Which of the following statements regarding the construction of V-region sequences is...
Question 5 1 pts Which of the following statements regarding the construction of V-region sequences is correct? (Select all that apply.) Heavy-chain V regions result from two somatic recombinations of V, D, and J segments; the first joins V to D, and the second joins VD to J. Light-chain V regions result from a single somatic recombination between V and J segments. Reversible alterations in the immunoglobulin genes occur during the development of B cells. Somatic recombination of heavy- and...
This pathway to complement activation can be initiated by several different signals including the properdin/factor P...
This pathway to complement activation can be initiated by several different signals including the properdin/factor P activation pathway The classical pathway The alternative pathway Lectin pathway All of the above The mechanism that permits Ig to be synthesized in either a membrane-bound or secreted form is: Allelic exclusion Codominant expression The one-turn/two-turn joining rule Differential RNA processing Which of the following allows for recombination in the V(D)J coding regions? IL-2b TdT RAG-½ All of the above Generation of combinatorial diversity...
1. Practice Question 01 The creation of value for a customer is an important aspect of supply chain management. a. True b. False Answer: 2. Practice Question 02 Information, goods, and servi...
1. Practice Question 01 The creation of value for a customer is an important aspect of supply chain management. a. True b. False Answer: 2. Practice Question 02 Information, goods, and services flow both upstream and downstream in a supply chain. a. True b. False Answer: 3. Practice Question 04 A supply chain is an integrated group of processes that source, make, and deliver products. a. True b. False Answer: 4. Practice Question 05 The purchasing of goods and services...
1 pts DI Question 6 What region of this molecule shown would bind to mRNA during...
1 pts DI Question 6 What region of this molecule shown would bind to mRNA during translation? 3' A-OH 5' A Cacceptor stem G C G- U TuC loop D-loop C U GACAC m'A GGAGAGm m' G C-G A-U variable loop Anticodon loop Cm U A Gm A A The 5' end The anticodon loop The 3 end The variable loop The acceptor stem D Question 7 1 pts What is synthesized during transcription? O a strand of tRNA O...
Question 37 12 pts During V(D)J recombination: A. How do productive rearrangements differ from nonproductive rearrangements?...
Question 37 12 pts During V(D)J recombination: A. How do productive rearrangements differ from nonproductive rearrangements? (6 points) B. Would you expect to have more or fewer productive rearrangements during B and T cell development in a mouse homozygous for a null mutation in terminal deoxynucleotidyl transferase (TDT)? Explain your reasoning. (6 points)
36. Which statement is true about Nucleic Acids? a) DNA is a protein b) DNA is...
36. Which statement is true about Nucleic Acids? a) DNA is a protein b) DNA is identical to RNA C) RNA has the structure of a double helix, d) RNA binds to DNA but not to amino acids. e) None of these are true. 37. Which is true for DNA, RNA and Polypeptides? a) They all have R groups, b) They are formed from ribose by dehydration synthesis. c) They all have subunits that include nitrogenous bases. d) They were...
Please help with 1-16!!! (two pictures are attached) Thanks! Transcription . Although both prokaryotes and eukaryotes...
Please help with 1-16!!! (two pictures are attached) Thanks!
Transcription . Although both prokaryotes and eukaryotes put a cap and a tail on the mRNA, only eukaryotes have introns that have to be spliced out. (T/F) 2. The poly A tail on cukaryotic mRNA protects the RNA from rapid degradation in the cytoplasm. (T/F) 3. The polyA tail is added to eukaryotic mRNA immediatel after transport of the message from the nucleus. (T/F) 4. is usually a single stranded molecule....
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question....
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. 00 OA Figure 2.1 Using Figure 2.1, match the following: 1) Tertiary (protein) structure, 2) Monosaccharide 3) Nucleotide 4) Lipid 5) Functional protein 6) Polymer 7) Polysaccharide TRUE FALSE. Write T if the statement is true and F if the statement is false, 8) Final preparation for cell division is made during the cell life cycle subphase called G2. SHORT ANSWER. Write the word...
What are the three functional groups that comprise a nucleotide? What do nucleotides have in common...
What are the three functional groups that comprise a nucleotide? What do nucleotides have in common with amino acids or simple sugars? When the structure of DNA was first elucidated, many biologists quickly saw how this structure explained the passage of information from one generation to another. How does the structure of DNA explain generation-to-generation flow of information? In other words, give a brief description of the structure of DNA and tell how this structure allows for replication. Which of...
Question 5 1 pts Which of the following statements regarding the construction of V-region sequences is correct? (Select all that apply.) Light-chain V regions result from a single somatic recombination between V and J segments. Heavy-chain V regions result from two somatic recombinations of V, D, and J segments; the first joins V to D, and the second joins VD to J. Reversible alterations in the immunoglobulin genes occur during the development of B cells. Somatic recombination of heavy- and...
Question 5 1 pts Which of the following statements regarding the construction of V-region sequences is correct? (Select all that apply.) Heavy-chain V regions result from two somatic recombinations of V, D, and J segments; the first joins V to D, and the second joins VD to J. Light-chain V regions result from a single somatic recombination between V and J segments. Reversible alterations in the immunoglobulin genes occur during the development of B cells. Somatic recombination of heavy- and...
1. Practice Question 01 The creation of value for a customer is an important aspect of supply chain management. a. True b. False Answer: 2. Practice Question 02 Information, goods, and services flow both upstream and downstream in a supply chain. a. True b. False Answer: 3. Practice Question 04 A supply chain is an integrated group of processes that source, make, and deliver products. a. True b. False Answer: 4. Practice Question 05 The purchasing of goods and services...
1 pts DI Question 6 What region of this molecule shown would bind to mRNA during translation? 3' A-OH 5' A Cacceptor stem G C G- U TuC loop D-loop C U GACAC m'A GGAGAGm m' G C-G A-U variable loop Anticodon loop Cm U A Gm A A The 5' end The anticodon loop The 3 end The variable loop The acceptor stem D Question 7 1 pts What is synthesized during transcription? O a strand of tRNA O...
Question 37 12 pts During V(D)J recombination: A. How do productive rearrangements differ from nonproductive rearrangements? (6 points) B. Would you expect to have more or fewer productive rearrangements during B and T cell development in a mouse homozygous for a null mutation in terminal deoxynucleotidyl transferase (TDT)? Explain your reasoning. (6 points)
36. Which statement is true about Nucleic Acids? a) DNA is a protein b) DNA is identical to RNA C) RNA has the structure of a double helix, d) RNA binds to DNA but not to amino acids. e) None of these are true. 37. Which is true for DNA, RNA and Polypeptides? a) They all have R groups, b) They are formed from ribose by dehydration synthesis. c) They all have subunits that include nitrogenous bases. d) They were...
Please help with 1-16!!! (two pictures are attached) Thanks!
Transcription . Although both prokaryotes and eukaryotes put a cap and a tail on the mRNA, only eukaryotes have introns that have to be spliced out. (T/F) 2. The poly A tail on cukaryotic mRNA protects the RNA from rapid degradation in the cytoplasm. (T/F) 3. The polyA tail is added to eukaryotic mRNA immediatel after transport of the message from the nucleus. (T/F) 4. is usually a single stranded molecule....
SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. 00 OA Figure 2.1 Using Figure 2.1, match the following: 1) Tertiary (protein) structure, 2) Monosaccharide 3) Nucleotide 4) Lipid 5) Functional protein 6) Polymer 7) Polysaccharide TRUE FALSE. Write T if the statement is true and F if the statement is false, 8) Final preparation for cell division is made during the cell life cycle subphase called G2. SHORT ANSWER. Write the word...
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