1. In eukaryotic cells the genomes of &
1. In eukaryotic cells the genomes of and are able to replicate independently of the DNA.
2. The DNA polymerase reaction occurs in the '(prime) to '(prime) direction as incoming nucleotides are added to the 3'- end(s) of the growing DNA chain.
Homework Answers
1) telomere replication ocur independently of the template DNA .
- telomere contain the conserved sequence and play an important role in evolution.
- enzyme involved is telomerase ( ribonucleoprotein containing RNA and protein )
- synthesis occur in 5' to 3' direction.
- Dna polymerase are template dependent whereas Rna polymerase are template independent.
2) dna replication occur in 5' to 3' direction
- nucleotide are added to 3' end of the growing chain because of the free OH group which can bond with the incoming nucleotide phosphate.
Heterochromatin is highly condensed, thus constitutive heterochromatin plays a(n) _____ role and facultative heterochromatin functions in...
Heterochromatin is highly condensed, thus constitutive heterochromatin plays a(n) _____ role and facultative heterochromatin functions in _______ In eukaryotic cells the genomes of ________ and __________ are able to replicate independently of the ______ DNA.
Question 21 Restriction endonuclease sites are often purposely located in 0 vectors bacterial genomes 0 eukaryotic...
Question 21 Restriction endonuclease sites are often purposely located in 0 vectors bacterial genomes 0 eukaryotic genomes therapeutic applications the polymerase chain reaction
Mae each cellular component to a role in transcription or translation in eukaryotic cells. protein complex...
Mae each cellular component to a role in transcription or translation in eukaryotic cells. protein complex that makes RNA polymers corresponding to a DNA template RNA polymerase Answer Bank location where transcription occurs TRNA region of DNA that recruits the transcriptional machinery promoter provides amino acids to growing protein chain ribosome site of protein synthesis nucleus about us | Careers privacy policy terms of use contact us help
Operons are unique to prokaryotic organisms; the genomes of eukaryotic cells do not contain operons. Which...
Operons are unique to prokaryotic organisms; the genomes of eukaryotic cells do not contain operons. Which of these explains why operons are useful to prokaryotes? Genes encoded by operons are more accessible to RNA polymerase than other genes. RNA polymerase can transcribe more quickly when genes are located within operons. Encoding genes in operons allows the synchronous transcription of genes with related functions. Operons are not highly regulated and this simplicity is an advantage for prokaryotic organisms.
Which of the following occurs ONLY in eukaryotic cells and NOT in prokaryotic cells? RNA polymerase...
Which of the following occurs ONLY in eukaryotic cells and NOT in prokaryotic cells? RNA polymerase binds to the DNA template at the promotor sequence of the gene RNA polymerase is capable both of unwinding and separating the DNA helix - hence displaying part of the DNA template for transcription - and of catalyzing the formation of phosphodiester bonds. RNA polymerase pairs up Uracil (U) in the elongating RNA strand with Adenine (A) in the DNA template RNA polymerase pairs...
Question 9 1 pts Why does cellular aging (or senescence) occur in eukaryotic organisms? O DNA...
Question 9 1 pts Why does cellular aging (or senescence) occur in eukaryotic organisms? O DNA in eukaryotes is linear, and the ends of the DNA shorten each time replication occurs Telomeres extend the length of the DNA until it becomes too unwieldy to replicate well Extracellular signals tell the cells to stop dividing The nucleotides in the DNA eventually degrade and don't adhere well to each other anymore Question 10 1 pts What evidence do we have against the...
Please answer all Question 1 (0.5 points) Why is there a lagging strand and a leading...
Please answer all
Question 1 (0.5 points) Why is there a lagging strand and a leading strand during replication? O Because the helicase unwinds the dna in only one direction. Because DNA polymerase can only add nucleotides to the 3'end of a chain of nucleotides and replication proceeds in both directions. b) c) Because a primer must be laid down first. because DNA polymerase lacks proofreading ability. Save Question 2 (0.5 points) What step(s) in polymerase chain reaction are necessary...
b.cancer cells invade surrounding tissues -...posis 18. What is the function of DNA primase in DNA...
b.cancer cells invade surrounding tissues -...posis 18. What is the function of DNA primase in DNA replication in prokaryotes? A.make the RNA part of the chromosome B.maintain DNA in a single stranded state before replication C.synthesize a free 3' OH for DNA polymerase to use D. break the hydrogen bonds between complementary strands E.alleviate supercoiling ahead of the replication fork 19. If crossing over occurs between the short arms of the X and Y chromosomes, inserting the SRY gene into...
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...
Name the known DNA polymerases. Which DNA polymerases replicate DNA in the 5’-3’ direction? Which DNA...
Name the known DNA polymerases. Which DNA polymerases replicate DNA in the 5’-3’ direction? Which DNA polymerase is responsible for elongating the replicating strand? Which DNA polymerases function in DNA repair? Which DNA polymerase can remove either DNA or RNA nucleotides from the 5’ end of a nucleic acid strand?
Question 21 Restriction endonuclease sites are often purposely located in 0 vectors bacterial genomes 0 eukaryotic genomes therapeutic applications the polymerase chain reaction
Mae each cellular component to a role in transcription or translation in eukaryotic cells. protein complex that makes RNA polymers corresponding to a DNA template RNA polymerase Answer Bank location where transcription occurs TRNA region of DNA that recruits the transcriptional machinery promoter provides amino acids to growing protein chain ribosome site of protein synthesis nucleus about us | Careers privacy policy terms of use contact us help
Question 9 1 pts Why does cellular aging (or senescence) occur in eukaryotic organisms? O DNA in eukaryotes is linear, and the ends of the DNA shorten each time replication occurs Telomeres extend the length of the DNA until it becomes too unwieldy to replicate well Extracellular signals tell the cells to stop dividing The nucleotides in the DNA eventually degrade and don't adhere well to each other anymore Question 10 1 pts What evidence do we have against the...
Please answer all
Question 1 (0.5 points) Why is there a lagging strand and a leading strand during replication? O Because the helicase unwinds the dna in only one direction. Because DNA polymerase can only add nucleotides to the 3'end of a chain of nucleotides and replication proceeds in both directions. b) c) Because a primer must be laid down first. because DNA polymerase lacks proofreading ability. Save Question 2 (0.5 points) What step(s) in polymerase chain reaction are necessary...
b.cancer cells invade surrounding tissues -...posis 18. What is the function of DNA primase in DNA replication in prokaryotes? A.make the RNA part of the chromosome B.maintain DNA in a single stranded state before replication C.synthesize a free 3' OH for DNA polymerase to use D. break the hydrogen bonds between complementary strands E.alleviate supercoiling ahead of the replication fork 19. If crossing over occurs between the short arms of the X and Y chromosomes, inserting the SRY gene into...
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...
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