3. Why was the gene for the small-subunit ribosomal RNA particularly well-suited for reconstructing the phylogeny...
3. Why was the gene for the small-subunit ribosomal RNA particularly well-suited for reconstructing the phylogeny of all living things?
Homework Answers
All organisms have ribosomes of similar composition.the gene for the small - subunit ribosomal RNA was particularly well-suited for reconstructing the phylogeny of all living things due to its slow evolutionary rate of the gene. This makes it suitable to reconstruct ancient divergences.
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3. Why was the gene for the small-subunit ribosomal RNA
particularly well-suited for reconstructing the phylogeny...
Question 18 (3 points) Saved What characteristics make the gene for small-subunit ribosomal RNA particularly well...
Question 18 (3 points) Saved What characteristics make the gene for small-subunit ribosomal RNA particularly well suited for studies of the phylogeny of all living things? Choose all options that are correct. More than one option is correct It is present in all extant living organisms It has always been under very strong stabilizing selection, such that very few differences accumulate per year It was present in the first living thing The gene performs the same function in all living...
How is ribosomal RNA used to compare organisms? Why is the small-subunit ribosomal RNA (16s or...
How is ribosomal RNA used to compare organisms? Why is the small-subunit ribosomal RNA (16s or 18s) used to compare all species of organisms?
In the PCR exercise you described why we amplify the 16s ribosomal RNA gene. What other...
In the PCR exercise you described why we amplify the 16s ribosomal RNA gene. What other genes might help us to identify specific bacteria? In other words, what traits could be sequenced that are unique to bacteria?
O) The role of the 23S TRNA of the large ribosomal subunit of E. coli during...
O) The role of the 23S TRNA of the large ribosomal subunit of E. coli during protein synthesis is: a. aid in initiation of protein synthesis b. contributes to the process of translocation during the elongation stage of protein synthesis c. helps to form the A site within the ribosome d. actively forms a peptide bond e. none of the above P) Spontaneous mutations can be caused by: a. incorrect translation b. telomerase c. chemical mutagens d. tautomeric shifts e....
QUESTION 1 RNA poll initiates synthesis of the mRNA transcript without a primer True O False...
QUESTION 1 RNA poll initiates synthesis of the mRNA transcript without a primer True O False QUESTION 2 En The +1 position identifies the location for translation to begin when bound the mRNA is bound by the ribosomal subunit. True False QUESTION 3 The small ribosomal subunit binds the mRNA transcript at a sequence that is complementary to the gene promoter in order to initiate translation. O True False QUESTION 4 The 5' cap is necessary for protection from exonuclease...
1.What sequence upstream of AUG in prokaryotic mRNA facilitates recruitment of the 30S ribosomal subunit by...
1.What sequence upstream of AUG in prokaryotic mRNA facilitates recruitment of the 30S ribosomal subunit by base pairing with 16S ribosomal RNA? A. The Pribnow box B. The Shine Dalgarno sequence C. The TATA box D. The -35 region E. A stop codon 2.What is the role of the Shine-Delgarno sequence in prokaryotic mRNAs? It specifies the site of translation initiation - ? It specifies the site of polyA addition RNA splicing RNA export It specifies the site of translation...
You have identified a gene that produces a small RNA. You find that it is transcribed...
You have identified a gene that produces a small RNA. You find
that it is transcribed by RNA polymerase III. Because it enodes an
RNA that is not related to tRNAs or the 5S ribosomal RNA you wonder
if the same factors are required for transcription of your gene.
You find that TFIIIB, TFIIIC and RNAPIII are not sufficient to
transcribe your gene in vitro. You decide to try to purify
the factors that are needed for transcription of your...
Bio215 Problem Questions Hassanaton MULTIPLE CHOICE 1) Pea plants were particularly well suited for use in...
Bio215 Problem Questions Hassanaton MULTIPLE CHOICE 1) Pea plants were particularly well suited for use in Mendel's breeding experiments for all of the following reasons exep that ) peas show easily observed variations in a number of characters, such as pea shape and flower color. B) it is possible to completely control matings between different per plants. C) it is possible to obtain large numbers of progeny from any given cross. D) peas have an unusually long generation time. E)...
Fun-filled Genetics activity Set Psa plants were particularly well suited for use in Mendel's breeding experiments...
Fun-filled Genetics activity Set Psa plants were particularly well suited for use in Mendel's breeding experiments for all of the following m e thal Al was show easily terved various in a number of characters, such as a shape and flower color, it is powible to completely control tingshotween different pe plants, it is possible to a large numbers of progeny from any given cross. Dipeas have unusually long generation time, many of the observable characters that vary in pea...
13. Why are ribonucleoside triphosphates the monomers required for RNA synthesis rather than ribonucleoside monophosphates? A....
13. Why are ribonucleoside triphosphates the monomers required for RNA synthesis rather than ribonucleoside monophosphates? A. Only ribonucleoside triphosphates contain the sugar ribose. B. Ribonucleoside triphosphates have low potential energy, making the polymerization reaction endergonic. C. Ribonucleoside triphosphates have high potential energy, making the polymerization reaction exergonic. D. Ribonucleoside monophosphates cannot form complementary base pairs with the DNA template. E. Ribonucleoside triphosphates are not used, rather all use deoxyriboside triphosphates. 14. How is a mutation in a bacterial cell that...
Question 18 (3 points) Saved What characteristics make the gene for small-subunit ribosomal RNA particularly well suited for studies of the phylogeny of all living things? Choose all options that are correct. More than one option is correct It is present in all extant living organisms It has always been under very strong stabilizing selection, such that very few differences accumulate per year It was present in the first living thing The gene performs the same function in all living...
O) The role of the 23S TRNA of the large ribosomal subunit of E. coli during protein synthesis is: a. aid in initiation of protein synthesis b. contributes to the process of translocation during the elongation stage of protein synthesis c. helps to form the A site within the ribosome d. actively forms a peptide bond e. none of the above P) Spontaneous mutations can be caused by: a. incorrect translation b. telomerase c. chemical mutagens d. tautomeric shifts e....
QUESTION 1 RNA poll initiates synthesis of the mRNA transcript without a primer True O False QUESTION 2 En The +1 position identifies the location for translation to begin when bound the mRNA is bound by the ribosomal subunit. True False QUESTION 3 The small ribosomal subunit binds the mRNA transcript at a sequence that is complementary to the gene promoter in order to initiate translation. O True False QUESTION 4 The 5' cap is necessary for protection from exonuclease...
You have identified a gene that produces a small RNA. You find
that it is transcribed by RNA polymerase III. Because it enodes an
RNA that is not related to tRNAs or the 5S ribosomal RNA you wonder
if the same factors are required for transcription of your gene.
You find that TFIIIB, TFIIIC and RNAPIII are not sufficient to
transcribe your gene in vitro. You decide to try to purify
the factors that are needed for transcription of your...
Bio215 Problem Questions Hassanaton MULTIPLE CHOICE 1) Pea plants were particularly well suited for use in Mendel's breeding experiments for all of the following reasons exep that ) peas show easily observed variations in a number of characters, such as pea shape and flower color. B) it is possible to completely control matings between different per plants. C) it is possible to obtain large numbers of progeny from any given cross. D) peas have an unusually long generation time. E)...
Fun-filled Genetics activity Set Psa plants were particularly well suited for use in Mendel's breeding experiments for all of the following m e thal Al was show easily terved various in a number of characters, such as a shape and flower color, it is powible to completely control tingshotween different pe plants, it is possible to a large numbers of progeny from any given cross. Dipeas have unusually long generation time, many of the observable characters that vary in pea...
13. Why are ribonucleoside triphosphates the monomers required for RNA synthesis rather than ribonucleoside monophosphates? A. Only ribonucleoside triphosphates contain the sugar ribose. B. Ribonucleoside triphosphates have low potential energy, making the polymerization reaction endergonic. C. Ribonucleoside triphosphates have high potential energy, making the polymerization reaction exergonic. D. Ribonucleoside monophosphates cannot form complementary base pairs with the DNA template. E. Ribonucleoside triphosphates are not used, rather all use deoxyriboside triphosphates. 14. How is a mutation in a bacterial cell that...
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