A) True or False In bacteria it is possible for more than one protein to be...
Homework Answers
In bacteria it is possible for more than one protein to be translated from a single transcriptional unit= True
(bacteria can translate multiple proteins from single mRNA by changing/ removing or altering sequence of exons in mRNA. it is possible for bacteria because there is no/little introns are there in bacterial mRNA)
Similar to prokaryotes a single rna polymerase holoenzyme is responsible for all transcription in an animal= False
(animal cell is eukaryotic and it can not use single RNA polymerase for all transcription, because its genome is more complex that bacteria as well as its genome contain introns which are non coding sequence of mRNA and should be removed before translation)
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A) True or False
In bacteria it is possible for more than one protein to be...
Question 14 Which of the following is a feature common to BOTH prokaryotes and eukaryotes? The...
Question 14 Which of the following is a feature common to BOTH prokaryotes and eukaryotes? The use of nucleosomes to condense DNA in the nucleus. The ability to translate an RNA before its transcription is complete. The ability to have multiple ribosomes on a single RNA for more efficient translation. The ability to start transcription at a 5'AUG sequence. o Question 15 A particular prokaryotic promoter contains only the region from-10 to-35. Which of the following is true? The RNA...
Question 2a If the DNA template 5′- ATGGATGC -3′ is transcribed to RNA, the RNA would...
Question 2a If the DNA template 5′- ATGGATGC -3′ is transcribed to RNA, the RNA would be best described as... a. 3′- TACCTACG -5′. b. 5′- ATGGATGC -3′. c. 5′- AUGGAUGC -3′. d. 5′- UACCUACG -5′. e. 3′- UACCUACG -5′. Question 2b Which answer best summarizes how eukaryotic and bacterial RNA polymerases are different? a. Eukaryotes have several types of multimeric RNA polymerases, whereas bacteria only have one monomeric RNA polymerase. b. Eukaryotes have several types of RNA polymerases, one...
Prokaryotic mRNA usually encodes for more than one protein while eukaryotic mRNA a single protein. Eukaryotic...
Prokaryotic mRNA usually encodes for more than one protein while eukaryotic mRNA a single protein. Eukaryotic DNA is linear and bacterial and archaeal DNA is-linear. In prokaryotes, ribosomes attach to the mRNA and start protein synthesis even before transcription is completed. Eukaryotic mRNA, rRNA, and tRNA are all highway processed. Nuclear pore complexes control the entry and exit to and from the nucleus. They will not let mRNA exit the nucleus before it is full processed. Eukaryotic and archaeal DNA...
Which of the following statements concerning transcription in bacteria is FALSE? It occurs in the nucleoid...
Which of the following statements concerning transcription in bacteria is FALSE? It occurs in the nucleoid region. RNA polymerase recognizes promoter regions. RNA polymerase initiates transcription at the START codon. The terminator region shows when gene transcription should end. All of the above are true.
3. Which of the following is not a good example of a housekeeping protein in eukaryotic...
3. Which of the following is not a good example of a housekeeping protein in eukaryotic cells? a)DNA polymerase b)histones c)RNA polymerase 4)hemoglobin Explanation: 4. Which of the following statements about histones is true? a. Histones activate transcription when bound to the promoter, b. Although RNA polymerase can access DNA packed around histones, the general transcription factors and transcriptional regulators cannot. c. Histone acetyltransferases affect transcription by adding acetyl groups to histones and altering chromatin structure to allow accessibility to...
Identify the statements that are features of a promoter. Pick all that Apply. A. In eukaryotes,...
Identify the statements that are features of a promoter. Pick all that Apply. A. In eukaryotes, the promoter recruits the preinitiation complex, which includes the TATA-binding protein. b. In prokaryotes, the promoter is recognized by general transcription factors (GTF), which recruit the RNA polymerase holoenzyme. c. In eukaryotes, the promoter attracts the small and large ribosomal subunits with the help of initiation factors. d. In prokaryotes, the promoter contains a –35 and –10 region upstream of the transcription start site...
All RNA viruses can directly be translated into a protein. True False
All RNA viruses can directly be translated into a protein. True False
Which of the following statements are true? (hint: There might be more than one True statement)...
Which of the following statements are true? (hint: There might be more than one True statement) © Multiple answers: You can select more than one option O A Exons are intervening regions in genes O B Enhancers might be present in the middle of a gene oc RNA polymerase translates mRNA into protein O D Poly Atails are added to the 5' (five prime) end of mRNAs O E Enhancers might be present downstream of a gene
1. this proteins is responsible for increasing or decreasing supercoiling of DNA A. Helicase B. DNA...
1. this proteins is responsible for increasing or decreasing supercoiling of DNA A. Helicase B. DNA Polymerase C. Topoisomerase D. RNA Polymerase E. DNA ligase 2. a gene is best defined as A. A segment of DNA that contains inherited information that defines the structure of a protein or RNA B. thee nucleotides that code for an amino acid C. a translated unit of DNA D. a sequence of nucleotides in RNA that codes for a functional product 3. This...
1. All of the following with respect to transcription in prokaryotes(bacteria) are true EXCEPT: a) Most...
1. All of the following with respect to transcription in prokaryotes(bacteria) are true EXCEPT: a) Most genes have a consensus sequence located at the -10 position b) Most genes have a consensus sequence located at the -35 position c) RNA Polymerase binds genes at the first intron sequence d) Translation of an mRNA can start while transcription is still in progress 2. Creighton and McClintock with Zea mays(corn) and Curt Stern with Drosophila both developed experiments that provided experiment backing...
Question 14 Which of the following is a feature common to BOTH prokaryotes and eukaryotes? The use of nucleosomes to condense DNA in the nucleus. The ability to translate an RNA before its transcription is complete. The ability to have multiple ribosomes on a single RNA for more efficient translation. The ability to start transcription at a 5'AUG sequence. o Question 15 A particular prokaryotic promoter contains only the region from-10 to-35. Which of the following is true? The RNA...
Prokaryotic mRNA usually encodes for more than one protein while eukaryotic mRNA a single protein. Eukaryotic DNA is linear and bacterial and archaeal DNA is-linear. In prokaryotes, ribosomes attach to the mRNA and start protein synthesis even before transcription is completed. Eukaryotic mRNA, rRNA, and tRNA are all highway processed. Nuclear pore complexes control the entry and exit to and from the nucleus. They will not let mRNA exit the nucleus before it is full processed. Eukaryotic and archaeal DNA...
Which of the following statements concerning transcription in bacteria is FALSE? It occurs in the nucleoid region. RNA polymerase recognizes promoter regions. RNA polymerase initiates transcription at the START codon. The terminator region shows when gene transcription should end. All of the above are true.
3. Which of the following is not a good example of a housekeeping protein in eukaryotic cells? a)DNA polymerase b)histones c)RNA polymerase 4)hemoglobin Explanation: 4. Which of the following statements about histones is true? a. Histones activate transcription when bound to the promoter, b. Although RNA polymerase can access DNA packed around histones, the general transcription factors and transcriptional regulators cannot. c. Histone acetyltransferases affect transcription by adding acetyl groups to histones and altering chromatin structure to allow accessibility to...
Which of the following statements are true? (hint: There might be more than one True statement) © Multiple answers: You can select more than one option O A Exons are intervening regions in genes O B Enhancers might be present in the middle of a gene oc RNA polymerase translates mRNA into protein O D Poly Atails are added to the 5' (five prime) end of mRNAs O E Enhancers might be present downstream of a gene
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