Homework Answers
The bacteria does does not encode the lactose utilization protein to save energy as producing these protein in the absence of lactose will be a wasteful process.
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5. Why is it adaptive (i.e., a good thing) for bacteria to NOT express genes that...
for 1-5 define those The Lac operon is an inducible set of genes found in bacteria...
for
1-5 define those
The Lac operon is an inducible set of genes found in bacteria cells that helps the bacteria to metabolize the disaccharide lactose. When it is turned on it produces proteins that pump lactose into the bacteria cell and break it down into glucose and galactose, which can then be used by the bacteria as a source of energy The two figures below show the Lac Operon along with the lacl gene (which regulates the Lac operon...
Why can’t eukaryotic genes be used to express protein in bacteria? a. They lack stop codons...
Why can’t eukaryotic genes be used to express protein in bacteria? a. They lack stop codons b. They are too large c. They use different nucleic acids in their DNA d. They contain introns e. They cannot be replicated
Why would a bacteria cell benefit from expressing the lac operon only in the presence of...
Why would a bacteria cell benefit from expressing the lac operon only in the presence of lactose? 1. The cell benefits by limiting the energy spent on the expression of the lac operonA. 2. The cell needs the lac operon to be expressed in order to obtain energy from lactose. 3. The cell doesn’t benefit, it would be better if the lac operon were expressed all of the time. 4.The production of lac operon proteins requires energy, but their production...
Yet, all the cells in your body contain the same genes (and same alleles). The difference...
Yet, all the cells in your body contain the same
genes (and same alleles). The difference across cell types
is that genes get selectively expressed (turned on or off)
based on the proteins needed for cellular function given their
environment.
Select which statement explains the reason why hair does not
normally grow on your muscle cells.
a.
Muscle cells have the gene for keratin, but do not express
it
b.
Muscle cells do not have the gene for keratin and...
A. Why is market efficiency a good thing for investors? (5 marks) B. Describe two style-based...
A. Why is market efficiency a good thing for investors? (5 marks) B. Describe two style-based anomalies and give your opinion on why they persist? Said another way, given that people know they exist why do they not disappear? (5 marks) C. What is Prospect Theory? Explain how it affects investors' decision-making process. (5 marks) D. If an investment has a Sharpe ratio of 2, what is this telling us? Explain why the Sharpe Ratio is an important metric in...
alllll them please all To MOST readily demonstrate transformation of bacteria in the laboratory one could...
alllll them please all
To MOST readily demonstrate transformation of bacteria in the laboratory one could extract DNA from: A) his cells and add the DNA to his cells, then grow the cells on plates with histidine B) hist cells and add the DNA to his cells, then grow the cells on plates without histidine C) lac" cells and add the DNA to lact cells, then grow the cells on plates without histidine D) amp cells and add the DNA...
3. Nitrogen Fixation is a process by which some bacteria can convert N2 into ammonia. This...
3. Nitrogen Fixation is a process by which some bacteria can convert N2 into ammonia. This process is very important in making the element nitrogen, a component of amino acids and nucleotides, available to ecosystems. Even though N2 makes up 80% of the atmosphere, nitrogen is the limiting nutrient in many ecosystems. Because nitrogen fixation is so energetically expensive, bacteria will only synthesize the proteins needed for this process if there is no available source of already fixed nitrogen, such...
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...
CENGNE MINUTA Q Search this course Ch 3 Case Stucly: Too Much of a Good Thing...
CENGNE MINUTA Q Search this course Ch 3 Case Stucly: Too Much of a Good Thing Peter is a 17-year-old high school student who loves pizza. Tais parents own a pizza restaurant, so be works part-time in the kitchen and eats pizza nearly every day. Although he's a relatively tall kid at 6 feet, 1 inch, he's a little pudgy around the middle. Ilis mom thinks he's too heavy At 210 pounds and she's worried that he might have high...
5.) Why would the mitochondrion go to all of the trouble of hanging on to genes...
5.) Why would the mitochondrion go to all of the trouble of hanging on to genes that code for tRNA when it would easier to import the tRNA molecules from its host cell? Like mad stupid or what? 6.) In Introductory Biology (and Chemistry), you are typically taught 'RNA language', since there is no thymine, A pairs with U and C pairs with G. Name one area of RNA that contains thymine. 7.) What is the function of wobble? EC!...
for
1-5 define those
The Lac operon is an inducible set of genes found in bacteria cells that helps the bacteria to metabolize the disaccharide lactose. When it is turned on it produces proteins that pump lactose into the bacteria cell and break it down into glucose and galactose, which can then be used by the bacteria as a source of energy The two figures below show the Lac Operon along with the lacl gene (which regulates the Lac operon...
Yet, all the cells in your body contain the same
genes (and same alleles). The difference across cell types
is that genes get selectively expressed (turned on or off)
based on the proteins needed for cellular function given their
environment.
Select which statement explains the reason why hair does not
normally grow on your muscle cells.
a.
Muscle cells have the gene for keratin, but do not express
it
b.
Muscle cells do not have the gene for keratin and...
A. Why is market efficiency a good thing for investors? (5 marks) B. Describe two style-based anomalies and give your opinion on why they persist? Said another way, given that people know they exist why do they not disappear? (5 marks) C. What is Prospect Theory? Explain how it affects investors' decision-making process. (5 marks) D. If an investment has a Sharpe ratio of 2, what is this telling us? Explain why the Sharpe Ratio is an important metric in...
alllll them please all
To MOST readily demonstrate transformation of bacteria in the laboratory one could extract DNA from: A) his cells and add the DNA to his cells, then grow the cells on plates with histidine B) hist cells and add the DNA to his cells, then grow the cells on plates without histidine C) lac" cells and add the DNA to lact cells, then grow the cells on plates without histidine D) amp cells and add the DNA...
3. Nitrogen Fixation is a process by which some bacteria can convert N2 into ammonia. This process is very important in making the element nitrogen, a component of amino acids and nucleotides, available to ecosystems. Even though N2 makes up 80% of the atmosphere, nitrogen is the limiting nutrient in many ecosystems. Because nitrogen fixation is so energetically expensive, bacteria will only synthesize the proteins needed for this process if there is no available source of already fixed nitrogen, such...
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...
CENGNE MINUTA Q Search this course Ch 3 Case Stucly: Too Much of a Good Thing Peter is a 17-year-old high school student who loves pizza. Tais parents own a pizza restaurant, so be works part-time in the kitchen and eats pizza nearly every day. Although he's a relatively tall kid at 6 feet, 1 inch, he's a little pudgy around the middle. Ilis mom thinks he's too heavy At 210 pounds and she's worried that he might have high...
5.) Why would the mitochondrion go to all of the trouble of hanging on to genes that code for tRNA when it would easier to import the tRNA molecules from its host cell? Like mad stupid or what? 6.) In Introductory Biology (and Chemistry), you are typically taught 'RNA language', since there is no thymine, A pairs with U and C pairs with G. Name one area of RNA that contains thymine. 7.) What is the function of wobble? EC!...
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