Question about molecular genetics | Homework Help
Suppose that the genes required for Isoleucine (an amino acid) biosynthesis are contained within an operon. If the cell is grown in the presence of high amounts of isoleucine you would expect to find:The repressor protein to bind to the operator, allowing transcription.The repressor protein to bind to the operator, preventing transcription.The repressor protein released from the operator, preventing transcription.The repressor protein released from the operator, allowing transcription.Question 2
The tRNA with UAU as the anticodon would be attached to which amino acid?isoleucineserineleucinetryrosineQuestion 3
In an expression plasmid, the origin of replication: _________________Is the position where the base number begins at 1.allows for growth of plasmid containing bacteria in the presence of antibiotics.is responsible for the replication of mRNA.allows the bacteria to duplicate the plasmid.Question 4
The difference between the genome of an organism and the epigenome is: _____________________The accumulation of mutations in the DNA sequence.The epigenome refers to changes in DNA expression due to changes in DNA packaging.nothing, both terms refer to the genetic content of an organismQuestion 5
Which of these is not used in DNA replication?HelicaseDNA polymerasePrimerRNA polymeraseQuestion 6
During cell division, the chromosomal DNA becomesmore condensedless condensedthere is no change in the condensation level.Question 7
The correct order of DNA segments in an operon is:Promoter, structural genes, operator.Promoter, operator, structural genes.Operator, structural genes, promoter.Operator, promoter, structural genes.Question 8
Is the following statement true of prokaryotic cells, eukaryotic cells or both? One gene can encode multiple different proteins (different in amino acid sequence).ProkaryoticEukaryoticBoth prokaryotic and eukaryoticQuestion 9
Which of the following terms refers to a region of a chromosome that has a specifiic function?DNAGeneAlleleGenotypeQuestion 10
Which of the following DNA sequences is a recognition site for restriction endonucleases:TTTTAATTTAATATTAAAAAQuestion 11
Separation of the original DNA strands is due to the action of:polymerasehelicaseRNA primerssingle stranded binding proteinQuestion 12
The following mRNA: ATG CAT CAT, codes for which of the following amino acids:Tyr Tyr ValVal Tyr TyrMet His HisQuestion 13
A gene codes for a protein that is 500 amino acids long. Which of the following mutations is likely to be the most deleterious?a nonsense mutation at the 490th codona missense mutation at the 490th codona nonsense mutation at the fifth codona missense mutation at the fifth codonQuestion 14
Which of these is not used in DNA replication?RNA polymerasePrimerHelicaseDNA polymeraseQuestion 15
Is the following statement true of prokaryotic cells, eukaryotic cells or both? Multiple genes can be transcribed together into a single mRNA.ProkaryoticEukaryoticBoth prokaryotic and eukaryotic
We've got everything to become your favourite writing service
Money back guarantee
Your money is safe. Even if we fail to satisfy your expectations, you can always request a refund and get your money back.
We don’t share your private information with anyone. What happens on our website stays on our website.
Our service is legit
We provide you with a sample paper on the topic you need, and this kind of academic assistance is perfectly legitimate.
Get a plagiarism-free paper
We check every paper with our plagiarism-detection software, so you get a unique paper written for your particular purposes.
We can help with urgent tasks
Need a paper tomorrow? We can write it even while you’re sleeping. Place an order now and get your paper in 8 hours.
Pay a fair price
Our prices depend on urgency. If you want a cheap essay, place your order in advance. Our prices start from $11 per page.