Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Q: Explain and give examples of Inducible & Repressible Operons. Describe what types of protein…
A: Inducer: Inducer is the substance that causes the gene for protein synthesis to be activated.…
Q: components of an operon into the appropriate order
A: components of an operon into the appropriate order:…
Q: Is proA in the lac operon? Only lacI, lacZ, lacY, are in the lac operon, right?
A: Answer : No,  proA is absent in lac operon.        Additional information : ProA is present in the…
Q: Explain how the lac operon exerts positive regulation.
A: operons are gene regulatory elements found in prokaryotes . these are set of genes which are…
Q: If the two trp codons in the leader sequence were mutated to stop codons, what effect would it have…
A: DNA is the preferred carrier of genetic information in most living organisms except for certain RA…
Q: Define the term operon and explain one advantage it provides to a bacterial cell
A: The cells are the primary unit of life. Based on the number of cells an organism may be prokaryotic…
Q: Prokaryotes use operons to regulate their transcripts. What does it mean for them to be…
A: Prokaryotes are a simpler form of life. It lacks sophisticated machinery and membrane-bound…
Q: Describe about operon.
A: The prokaryotes are the unicellular organism that does not contain true nucleus and membrane bound…
Q: Differentiate inducsible and repressible operon
A: The promoter and operator control the group of genes which are called operons. Some operons are…
Q: Describe the organization of the trp operon.
A: Tryptophan operon (trp operon) is the mechanism of the biosynthesis of tryptophan in the E. coli.…
Q: What are the operon fusion and the gene fusion? How can they be used for studying gene expression in…
A: Fusion gene is a hybrid gene formed from two previously independent genes or ORFs (Open Reading…
Q: Describe the feature of lac operon?
A: The operon comprises the genes regulating a metabolic reaction. It is also an operon. It mainly…
Q: What are the example of operon?
A: Operon is a group of genes which controls the synthesis process of protein molecules depending on…
Q: The Lac Operon is induced by both the presence of and the absence of in the environment.
A:
Q: What is a negative inducible operon?
A: Regulated genes can be switched on/off depending on cell's metabolic needs. Operon It is a group of…
Q: Distinguish between an operon and a regulon.
A: The process of activation and deactivation of the genes as per their requirement by the cells is…
Q: How is the operon positively and negatively regulated?
A: The activity of the promoter that controls the expression of the lac operon is regulated by two…
Q: If a motor nueron were to stimulate at mid point, what would the impulse do?
A: Motor neurons are part of motor pathways and send synapses from the brain to the effectors such as…
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Concept explainers

Gene Interactions
When the expression of a single trait is influenced by two or more different non-allelic genes, it is termed as genetic interaction. According to Mendel's law of inheritance, each gene functions in its own way and does not depend on the function of anoth…
Gene Expression
Gene expression is a process by which the instructions present in deoxyribonucleic acid (DNA) are converted into useful molecules such as proteins, and functional messenger ribonucleic (mRNA) molecules in the case of non-protein-coding genes.
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What is not a part of an operon?

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Operon comprises all the genes that are involved in metabolic regulation. It is the unit of the gene expression in prokaryotes.

 

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