Question

Both the lacY and lacZ gene products are mutually encoded by a single mRNA. Is this...

Both the lacY and lacZ gene products are mutually encoded by a single mRNA. Is this condition also found in eukaryotes? What is an advantage of this configuration?

Homework Answers

Answer #1

No in Eukaryotes one gene encoding for doesn't have operons that encode for multiple proteins. Rather Eukaryotic mRNA undergoes alternate splicing which results in different protein from the same mRNA.

Many genes are involved in biosynthetic pathways of a compound. If all the genes are not present in one operon then it will be difficult for the cell to regulates all genes. if all the genes are present in an operon like lac operon or trip operon then it will be easy to regulate the expression of genes as the condition required for their expression.

Please write to me if you need more help

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Predict what will happen to the expression of β-galactosidase (lacZ gene) in a mutant strain lacking...
Predict what will happen to the expression of β-galactosidase (lacZ gene) in a mutant strain lacking lacY-gene. Remember cells are not able to produce LacY-protein and can not transport lactose: lacZ gene will be expressed only when both lactose and glucose are present. lacZ gene will not be expressed. lacZ gene will be expressed only in the presence of lactose; maximum expression will be observed in the absence of glucose. lacZ gene will not be repressed; maximum expression will be...
Acridine dyes such as proflavin are known to induce primarily single base-pair additions and deletions. Suppose...
Acridine dyes such as proflavin are known to induce primarily single base-pair additions and deletions. Suppose that the wild-type nucleotide sequence in the mRNA produced from a gene is 5'-AUGCCCUUUGGGAAAGGGUUUCCCUAA-3' Also, assume that a mutation is induced within this gene by proflavin and, subsequently, a revertant of this mutation is similarly induced with proflavin and shown to result from a second-site suppressor mutation within the same gene. If the amino acid sequence of the polypeptide encoded by this gene in...
29) The light dependent reaction has 2 products which are necessary for the Calvin cycle (light...
29) The light dependent reaction has 2 products which are necessary for the Calvin cycle (light independent reaction). What are these products?         A. CO2 and chlorophyll    B. Water and CO2    C. NADPH and ATP    D. NADPH and CO2 30) Certain proteins are made early in your lifetime and then turned off - temporal gene expression. An exception to this rule can be found in societies who learned to domesticate animals. These pastoral societies had a selective advantage if...
A single-gene fruit color train in eggplant displays incomplete dominance. The purple and which fruit colors...
A single-gene fruit color train in eggplant displays incomplete dominance. The purple and which fruit colors are true breeding phenotypes associated with being homozygous at the gene. Violet color results from heterozygosity at the gene. Which of the following ratios would you predict if you crossed a violet-fruit eggplant to purple-fruit plant and looked at their progeny? 3:1 purple:white 1:2:1 purple:violet:white 3:1 violet:white All violet 1:1 purple violet Which of the following statements about replication origins is incorrect? Replication proceeds...
QUESTION 1 :The alleles of a particular gene segregate independently into individual gametes (sex cells) during...
QUESTION 1 :The alleles of a particular gene segregate independently into individual gametes (sex cells) during meiosis. True or False QUESTION 2:The DNA sequence of a gene is a phenotype. True or False QUESTION 3:Two diploid individuals, one homozygous and the other heterozygous at a particular gene, make babies. Which of the following statements about the offspring genotype is correct? (Hint: draw Punnett squares) A. All offspring are heterozygotes B. All offspring are homozygotes C. 1/2 of the offspring are...
When estimating the C-value of an organism, which of the following would not be considered? The...
When estimating the C-value of an organism, which of the following would not be considered? The non-coding regions of the genome The mitochondrial genome The coding regions of the genome The size of the entire haploid genome is estimated for C-value When estimating the G-value of an organism, which of the following would not be considered? Mitochondrial genes Protein coding regions of the genome The size of the entire haploid genome is estimated for G-value Non-coding parts of the genome...
The picture shown below shows variation among three individuals with respect to 4 nucleotides - AGAT....
The picture shown below shows variation among three individuals with respect to 4 nucleotides - AGAT. What do you think what type of variation is this? AGAT different repeat numbers in different individuals .png Minisatellite Single nucleotide polymorphism Short Tandem Repeats Which of the following statements is TRUE about DNA matching? Typical difference between the genomes of human beings and Chimpanzees is estimated to be 25 % Typical difference between the genomes of human beings and Drosophila is   estimated to...
READ THE CASE STUDY AND ANSWER THE FOLLOWING QUESTIONS 2nd CASE: An Unexplained Death A 65-year-old...
READ THE CASE STUDY AND ANSWER THE FOLLOWING QUESTIONS 2nd CASE: An Unexplained Death A 65-year-old man of Scandinavian descent was rushed to the Emergency Room of your local hospital after a family member discovered him unconscious in his home. The woman who dialed “911” told the dispatcher that the man, her brother, was the local librarian of the past 10 years and had no spouse or children. She reported that they had spoken the day before, and he had...
Pfizer was established in 1849 in Brooklyn, New York by cousins Charles Pfizer and Charles Erhart...
Pfizer was established in 1849 in Brooklyn, New York by cousins Charles Pfizer and Charles Erhart with a loan of $2,500 from Pfizer’s father.2 Today, 167 years later, Pfizer Inc. has international revenues of $49 billion, which makes it the second-largest pharmaceutical manufacturer in the world.3 Despite Pfizer’s success, the company has faced many challenges over the last few decades. The pharmaceutical industry is heavily influenced by legal, political, and technological forces, and all indications are that the industry will...
Read the following case carefully and then answer the questions. In the movie Face/Off, John Travolta...
Read the following case carefully and then answer the questions. In the movie Face/Off, John Travolta got a new look by exchanging faces with Nicolas Cage. Unfortunately, he got a lot of trouble along with it. John could receive a much less troublesome new look by using Botox, a treatment discovered by Vancouver’s Dr. Jean Carruthers, who came upon the cosmetic potential of Botox in 1982 while treating a woman with eye spasms. Botox is marketed by Allergan, a specialty...