Which of the following is different between prokaryotes and eukaryotes? a Prokaryotes are polycistronic and eukaryotes...
Which of the following is different between prokaryotes and eukaryotes?
a Prokaryotes are polycistronic and eukaryotes are monocistronic
b Prokaryotes have more complex controls over gene expression than eukaryotes
c mRNA only exists in eukaryotes.
d DNA does exist in prokaryotes.
2. Do humans contain an 80s ribosome? True or False?
Homework Answers
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Which of the following is different between prokaryotes and
eukaryotes?
a Prokaryotes are polycistronic and eukaryotes...
The main differences in gene expression between prokaryotes and eukaryotes result from the presence of a...
The main differences in gene expression between prokaryotes and eukaryotes result from the presence of a nucleus in eukaryotes. Which of the following is FALSE when comparing transcription between prokaryotes and eukaryotes? Prokaryotic mRNA goes through multiple modifications before translation Eukaryotic genes have introns that need to be removed before translation Prokaryotic mRNA can be translated while it is still being transcribed Eukaryotic mRNA needs a 'cap and a 3'tall to prevent its degradation 0/2 pts Question 45 Lets play...
Which of the following is a major difference between prokaryotes and eukaryotes? a. Eukaryotes have linear...
Which of the following is a major difference between prokaryotes and eukaryotes? a. Eukaryotes have linear chromosomal DNA, prokaryotes do not b. Eukaryotes live in extreme environments, prokaryotes do not c. Prokaryotes live in extreme environments, eukaryotes do not d. Only prokaryotes have histones, eukaryotes do no
In humans, there are about 200 different types of cells. Why are your liver cells different...
In humans, there are about 200 different types of cells. Why are your liver cells different from skin cells, or neurons, or muscle cells? During development, each cell accumulates different mutations changing their DNA They produce the same proteins but some of those proteins are denatured in each cell They have different DNA and thus, each cell produces different proteins They produce the same kind of proteins but not all proteins are active in each cell They have the same...
Transcriptional control of gene regulation is common in both prokaryotes and eukaryotes. Which of the following is not true? Both prokaryotes and eukaryotes: A. exhibit both positive and negative cont...
Transcriptional control of gene regulation is common in both prokaryotes and eukaryotes. Which of the following is not true? Both prokaryotes and eukaryotes: A. exhibit both positive and negative control. B. have repressors that impact expression. C. often requires interactions with DNA that is not proximal to structural genes. D. have genes that are closely related in function located proximally on a chromosome
Question 15 1 pts The most significant influence on why mRNA is processed differently in prokaryotes...
Question 15 1 pts The most significant influence on why mRNA is processed differently in prokaryotes than in eukaryotes is the fact that eukaryotes separate transcription and translation because these organisms have a nucleus. eukaryotes are multicellular organisms. O prokaryotes do not add a poly(A) tail. prokaryotes are often polycistronic. Question 16 1 pts Which is true of RNA polymerases in both prokaryotic and eukaryotic organisms? They have the same number of cofactors in prokaryotes and eukaryotes. They are composed...
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...
Q1)Which of the following is not involved in control of gene expression in eukaryotes? A. Change...
Q1)Which of the following is not involved in control of gene expression in eukaryotes? A. Change to DNA sequence. B. Alternative splicing. C. Export of mRNA from the nucleus. D. Transcriptional repression. E. Destruction of mRNA Q2) Trans-acting regulators of gene expression include? A. promoters. B. histone deacetylases C. introns D. silencers E. the TATA box. Q3) Gene regulation in eukaryotes often involves which of the following, which are not also used by prokaryotes? A.RNA polymerase B.Transcription factors C.Histone modification...
Which of the following is not true regarding regulation of gene expression in eukaryotes? In eukaryotic...
Which of the following is not true regarding regulation of gene expression in eukaryotes? In eukaryotic cells, transcriptional activators often work by recruiting the transcriptional macinery to gene promoters DNA methylation is an example of an epigenetic mark that can be inherited Acetylation of histones can result in a more open chromatin structure to allow transcription to occur Different genes can be turned off or on between different organs or stages of development Transcription factor DNA sequences are bound by...
1. Which of the following statements is FALSE? Helicase activity 'unwinds DNA making the double-stranded molecule...
1. Which of the following statements is FALSE? Helicase activity 'unwinds DNA making the double-stranded molecule into single strands. b. The leading strand of DNA is started by an RNA primer The lagging strand of DNA is synthesized as "Okazaki fragments", cach with its own RNA primer. DNA replication proceeds in both directions around the bacterial chromosome. DNA polymerase synthesives new DNA in one direction (3 to 5) only. 2. Which of the following would be found in eukaryotes? a....
ANSWER THE FOLLOWING QUESTIONS 1) What is the relationship between a gene and a protein? 2)...
ANSWER THE FOLLOWING QUESTIONS 1) What is the relationship between a gene and a protein? 2) How does the tRNA contribute to protein synthesis? 3) The ability of cell to control their gene expression is called 4) What is a promoter? 5) What process convert the message from mRNA into amino acids? 6) The following expressions are true or false? Explain a. "A gene is any DNA sequence that is transcribed to any type of RNA b. "In eukaryotes, a...
The main differences in gene expression between prokaryotes and eukaryotes result from the presence of a nucleus in eukaryotes. Which of the following is FALSE when comparing transcription between prokaryotes and eukaryotes? Prokaryotic mRNA goes through multiple modifications before translation Eukaryotic genes have introns that need to be removed before translation Prokaryotic mRNA can be translated while it is still being transcribed Eukaryotic mRNA needs a 'cap and a 3'tall to prevent its degradation 0/2 pts Question 45 Lets play...
In humans, there are about 200 different types of cells. Why are your liver cells different from skin cells, or neurons, or muscle cells? During development, each cell accumulates different mutations changing their DNA They produce the same proteins but some of those proteins are denatured in each cell They have different DNA and thus, each cell produces different proteins They produce the same kind of proteins but not all proteins are active in each cell They have the same...
Question 15 1 pts The most significant influence on why mRNA is processed differently in prokaryotes than in eukaryotes is the fact that eukaryotes separate transcription and translation because these organisms have a nucleus. eukaryotes are multicellular organisms. O prokaryotes do not add a poly(A) tail. prokaryotes are often polycistronic. Question 16 1 pts Which is true of RNA polymerases in both prokaryotic and eukaryotic organisms? They have the same number of cofactors in prokaryotes and eukaryotes. They are composed...
1. Which of the following statements is FALSE? Helicase activity 'unwinds DNA making the double-stranded molecule into single strands. b. The leading strand of DNA is started by an RNA primer The lagging strand of DNA is synthesized as "Okazaki fragments", cach with its own RNA primer. DNA replication proceeds in both directions around the bacterial chromosome. DNA polymerase synthesives new DNA in one direction (3 to 5) only. 2. Which of the following would be found in eukaryotes? a....
ANSWER THE FOLLOWING QUESTIONS 1) What is the relationship between a gene and a protein? 2) How does the tRNA contribute to protein synthesis? 3) The ability of cell to control their gene expression is called 4) What is a promoter? 5) What process convert the message from mRNA into amino acids? 6) The following expressions are true or false? Explain a. "A gene is any DNA sequence that is transcribed to any type of RNA b. "In eukaryotes, a...
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