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The lac operon is shut off when what is absent?
The lac operon is shut off when lactose is absent. In the absence of lactose, the repressor protein binds to the operator site, preventing transcription of the lac operon genes.
What is present and absent in plant and animal cell?
A cell wall, chloroplast and large vacuole are present in plant cell. Whereas, Golgi body and grana are present in animal cell. A cell wall is absent in animal cells and Golgi Bodies are absent in plant cells.
What happens to the lac operon when lactose is absent?
When lactose is absent, the lac operon is typically turned off or repressed. This means that the genes involved in lactose metabolism are not actively transcribed and the production of the necessary enzymes is halted.
What organelles do guard cells contain that are absent in the skin cells of a leaf?
Guard cells contain chloroplasts, which are responsible for photosynthesis, and a large central vacuole that regulates the opening and closing of stomata. These organelles are absent in the skin cells of a leaf.
What reactant needed for cellular respiration is absent from the fermentation reaction?
Oxygen is the reactant needed for cellular respiration that is absent from the fermentation reaction. In the absence of oxygen, some organisms, like yeast, undergo fermentation to produce energy in the form of ATP.
Reference in a sentence?
Rofl, you cant put reference in a sentence!
What is antecedent or referent?
REFRENT MEANS BEFORE: LIKE: ALEX WROTE HIS BOOK.... ALEX IS REFRENT,,,,AND ANTEDCEDBNT IS : HIS, IN THE SENTECNE... it XCOEMES AFTER TBE REFERENT
What does referent means in math?
In mathematics, a "referent" typically refers to an object or concept that is being represented or referred to in a mathematical statement or equation. For example, in a geometric context, a referent might be a specific shape or figure being analyzed. The term can also apply in data analysis, where a referent might be a baseline or standard against which measurements or values are compared. Essentially, it helps clarify what is being discussed or measured in a mathematical context.
What is theDifferences between expert power and referent power?
expert power: is the capacity to influence other people because of specialized knowledge referent power: is the capacity to influence other people because their desire to identify personally with you
Who is an example of a referent power?
An example of referent power is Oprah Winfrey. She has built strong emotional connections with her audience, earning their admiration and respect through her authenticity, relatability, and positive influence. As a result, people are more likely to follow her recommendations and ideas, showcasing the impact of her referent power in shaping public opinion and behavior.
What is referent class?
A referent class is a category or group that serves as a point of reference for understanding or evaluating a particular phenomenon, concept, or individual. It helps in drawing comparisons and making assessments by providing a context against which characteristics or behaviors can be analyzed. In various fields, such as psychology or sociology, referent classes are essential for establishing norms or standards for comparison.
What does absent mean?
Absent means not in attendance. You can be absent from school, be absent minded or absent in physical presence for example.
What are Ho ching major sources of power?
referent, expert, legitimate
What are the the five types of power?
Legitimate, reward, coercive, expert, and referent
What are coronopathies?
Diseases referent to the coronary artery, a type of cardiovascular disease.
What are five types of power?
Legitimate, reward, coercive, expert, and referent
What is the past tense of Absent?
The past tense of 'is absent' is 'was absent'. e.g. "Tim was absent that day."
