Homework Answers
A cDNA library represents a collection of only the genes that are encoded into proteins by an organism. Complementary DNA, or cDNA, is created through reverse transcription of messenger RNA, and a library of cDNAs is generated using DNA cloning technology.
Answer (e)
all the compement DNA moecule synthesized from mRNA in a particular cell type
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Question 31 (2 points) A cDNA library represents a) all the books in a science library...
want to double check! 25. Th e DNA sequences encoding the initiation whese parated bcoding the...
want to double check!
25. Th e DNA sequences encoding the initiation whese parated bcoding the initiation and termination codons of a certain protein amino acids in length. there of the protei nucleotides on a certain organism's chromosome; however ssuming that there has been no post-translational processing elined from this gene is translated, the protein product is only 250 A. The RNA was synthesized in a bacterial cell n, what can you conclude from these observations? The RNA was synthesized...
c) The steps or rungs of the DNA ladder are composed of phosphate group 4 Deoxyribose...
c) The steps or rungs of the DNA ladder are composed of phosphate group 4 Deoxyribose 15. Use Figure 2 and 3 of the lab to compare the genome of a human with a mouse, fruit fly and yeast. paired in a specific way. d) Adenine in one DNA strand always pain with thymine ) Bases in opposite strands of a DNA molecule are linked together by hydrogen in the other strand and bonds. Yeast Human Mouse Fruit Fly Number...
QUESTION 11 Meselson and Stahl had obtained the resuk below, what would have been there conclusion...
QUESTION 11 Meselson and Stahl had obtained the resuk below, what would have been there conclusion First Generation Replication Replication N4 14 NINIS NAS N15 DNA replication is conservative DNA replication is semi-conservative DNA replication is dispersive None of the above QUESTION 12 If one strand of DNA Is CGGTAC in the 5-3 direction, what is the corresponding complementary strand of DNA in the 53' direction? GCCTAG ©GTACG TAACGT GCCATG CATGGA QUESTION 13 Which of the following statements regarding the...
1. (1 points) A deletion mutation in the leader sequence of the trp operon removes the...
1. (1 points) A deletion mutation in the leader sequence of the trp operon removes the two tryptophan codons that are involved in attenuation. Predict the effect of this mutation on the expression of the trp structural genes in E. coli cells grown in media that lacks tryptophan. 2. (2 points) What protein family members are the main protein components of the RISC complex? How does the RISC complex target specific mRNAs for silencing? 3. (3 points) In bacteria, the...
Question 9: The genetic code is read in groups of three nucleotides, called codons, in mRNA...
Question 9:
The genetic code is read in groups of three nucleotides, called
codons, in mRNA that specifies for a particular amino acid.
tRNA molecules act as the amino acid carriers that by correctly
pairing with the codon on mRNA can deliver the correct amino acid
to the ribosome during translation. At the tip of each tRNA
molecule is a group of three nucleotides called an anticodon and at
the other end is where the corresponding amino acid is attached...
Chapter 15: 1. What is the significance of the fact that many synonymous codons differ in...
Chapter 15: 1. What is the significance of the fact that many synonymous codons differ in the third nucleotide position? 2. Define the following terms as they apply to the genetic code: a. Reading frame b. Overlapping code C. Nonoverlapping code d. Initiation codon e. Termination codon f. Sense codon 8. Nonsense codon h. Universal code i. Nonuniversal code 3. What role do the initiation factors play in protein synthesis? 4. Compare and contrast the process of protein synthesis in...
24. What would be the anticodon if the template strand of DNA Is ACC A UCC...
24. What would be the anticodon if the template strand of DNA Is ACC A UCC B.) TGG UGG D. ACC E. TCC 25. Prior to protein synthesis, the DNA A. attracts tRNAs with appropriate amino acids. 6.) serves as a template for the production of mRNA. C. adheres to ribosomes for protein synthesis. D. contains anticodons that become codons. E. must first undergo replication. 26. The Human Genome Project has revealed that human DNA has approximately A. 30,000 bases...
2 points Which of the statements below is false? * O The genetic code is universal....
2 points Which of the statements below is false? * O The genetic code is universal. Degenerate codons specify the same amino acids. The genetic code is overlapping. O The genetic code is triplet. 2 points How many hydrogen bonds does cytosine form with guanine? * 2 3 O 4 2 points The amino acid sequence of a polypeptide chain comprises the structure of the protein. * primary secondary tertiary O quaternary 2 points One gene can have multiple effects...
please explain answer to number 4 and 5 NATIONAL CENTER FOR CASE STUDY TEACHING IN SCIENCE...
please explain answer to number 4 and 5
NATIONAL CENTER FOR CASE STUDY TEACHING IN SCIENCE Part II - Song Titles Let's continue with our music analogy by reading a short gene, turning it into mRNA sequence (transcription), and then tuming the mRNA sequence into a protein (translation), which will give us a song title. This will be a small protein, which is often referred to as a "peptide." There are many peptides that are important in biological systems. Some...
QUESTION 1 Use the the sequence to answer the question below. 5- GGCGAUAUGGCGGUUUCGGGCCGGUGAAAUUGCCA-3' Based on the...
QUESTION 1 Use the the sequence to answer the question below. 5- GGCGAUAUGGCGGUUUCGGGCCGGUGAAAUUGCCA-3' Based on the sequence above, select all TRUE statements. The antisense or complementary sequence would begin as given below.. s' CCGCUA.... 3 There are 11 codons. This sequence is in the right orientation or direction. There are 33 bases + This is a DNA sequence.. This sequence would code for 6 amino acids There is one stop codon. QUESTION 2 Transcription differ from translation in that transcription...
want to double check!
25. Th e DNA sequences encoding the initiation whese parated bcoding the initiation and termination codons of a certain protein amino acids in length. there of the protei nucleotides on a certain organism's chromosome; however ssuming that there has been no post-translational processing elined from this gene is translated, the protein product is only 250 A. The RNA was synthesized in a bacterial cell n, what can you conclude from these observations? The RNA was synthesized...
c) The steps or rungs of the DNA ladder are composed of phosphate group 4 Deoxyribose 15. Use Figure 2 and 3 of the lab to compare the genome of a human with a mouse, fruit fly and yeast. paired in a specific way. d) Adenine in one DNA strand always pain with thymine ) Bases in opposite strands of a DNA molecule are linked together by hydrogen in the other strand and bonds. Yeast Human Mouse Fruit Fly Number...
QUESTION 11 Meselson and Stahl had obtained the resuk below, what would have been there conclusion First Generation Replication Replication N4 14 NINIS NAS N15 DNA replication is conservative DNA replication is semi-conservative DNA replication is dispersive None of the above QUESTION 12 If one strand of DNA Is CGGTAC in the 5-3 direction, what is the corresponding complementary strand of DNA in the 53' direction? GCCTAG ©GTACG TAACGT GCCATG CATGGA QUESTION 13 Which of the following statements regarding the...
Question 9:
The genetic code is read in groups of three nucleotides, called
codons, in mRNA that specifies for a particular amino acid.
tRNA molecules act as the amino acid carriers that by correctly
pairing with the codon on mRNA can deliver the correct amino acid
to the ribosome during translation. At the tip of each tRNA
molecule is a group of three nucleotides called an anticodon and at
the other end is where the corresponding amino acid is attached...
Chapter 15: 1. What is the significance of the fact that many synonymous codons differ in the third nucleotide position? 2. Define the following terms as they apply to the genetic code: a. Reading frame b. Overlapping code C. Nonoverlapping code d. Initiation codon e. Termination codon f. Sense codon 8. Nonsense codon h. Universal code i. Nonuniversal code 3. What role do the initiation factors play in protein synthesis? 4. Compare and contrast the process of protein synthesis in...
24. What would be the anticodon if the template strand of DNA Is ACC A UCC B.) TGG UGG D. ACC E. TCC 25. Prior to protein synthesis, the DNA A. attracts tRNAs with appropriate amino acids. 6.) serves as a template for the production of mRNA. C. adheres to ribosomes for protein synthesis. D. contains anticodons that become codons. E. must first undergo replication. 26. The Human Genome Project has revealed that human DNA has approximately A. 30,000 bases...
2 points Which of the statements below is false? * O The genetic code is universal. Degenerate codons specify the same amino acids. The genetic code is overlapping. O The genetic code is triplet. 2 points How many hydrogen bonds does cytosine form with guanine? * 2 3 O 4 2 points The amino acid sequence of a polypeptide chain comprises the structure of the protein. * primary secondary tertiary O quaternary 2 points One gene can have multiple effects...
please explain answer to number 4 and 5
NATIONAL CENTER FOR CASE STUDY TEACHING IN SCIENCE Part II - Song Titles Let's continue with our music analogy by reading a short gene, turning it into mRNA sequence (transcription), and then tuming the mRNA sequence into a protein (translation), which will give us a song title. This will be a small protein, which is often referred to as a "peptide." There are many peptides that are important in biological systems. Some...
QUESTION 1 Use the the sequence to answer the question below. 5- GGCGAUAUGGCGGUUUCGGGCCGGUGAAAUUGCCA-3' Based on the sequence above, select all TRUE statements. The antisense or complementary sequence would begin as given below.. s' CCGCUA.... 3 There are 11 codons. This sequence is in the right orientation or direction. There are 33 bases + This is a DNA sequence.. This sequence would code for 6 amino acids There is one stop codon. QUESTION 2 Transcription differ from translation in that transcription...
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