Question Bank: Animal Cell Culture

Who established the first human cell line, HeLa, from Henrietta Lacks?

Which technique was introduced by Alexis Carrel in tissue culture?

What significant contribution did Rous and Jones make to tissue culture in 1913?

What was one of the significant discoveries made using HeLa cells?

Which factor is essential for maintaining mammalian cell cultures?

Which significant observation did Margaret and George Gey make in 1948?

What did Harry Eagle develop in 1962 that was significant to cell culture?

What is the importance of the term 'finte lifespan' introduced by Hayflick and Moorhead in 1955?

Which advancement in culture media was significantly accelerated in 1976?

What did the study by Lewis and Lewis in 1911 establish in cell culture?

What did the term 'immortal cells' refer to in the context of Henrietta Lacks?

What is a common historical application of cell culture technology?

What was the primary focus of research in animal cell culture during the 1950s?

Which scientist is known for describing an effective method for maintaining differentiated cells in culture?

Which of the following is a commonly used medium for animal cell culture?

What is the primary purpose of adding sodium bicarbonate to cell culture media?

Which component is NOT typically found in animal cell culture media?

What are the advantages of using serum in cell culture?

What is the term for a culture established from single cells derived from a tissue?

Which of the following media is protein-free?

How do antibiotics in cell culture media function?

What is a common consequence of cell culture contamination?

What is the role of growth factors in cell culture media?

Which of the following best describes the term 'passaging' in cell culture?

Which of the following components is essential for maintaining osmotic balance in culture media?

The growth rate of animal cells compared to bacterial cells is generally:

What is a common method for disaggregating cells from tissue?

What is the purpose of using defined media in animal cell culture?

Which of the following is NOT a benefit of using cell culture in research?

What is the role of glucose in cell culture media?

Which type of culture is characterized by cells that can divide indefinitely?

Which equipment is essential for maintaining sterility in animal cell culture?

What is the primary function of a CO2 incubator in cell culture?

Which type of microscope is best for observing cell morphology in culture?

Why is it important to use an autoclave in cell culture laboratories?

In cell culture, what does the term 'aseptic technique' refer to?

What equipment is used to separate cells based on their density?

What is the role of growth media in cell culture?

Which feature distinguishes a biosafety cabinet from a laminar flow hood?

Which of the following is essential for the proper functioning of an incubator used in cell culture?

When working with animal cells, why is temperature control critical?

What is the main purpose of using a cell scraper in a culture setup?

The HEPA filters in laminar flow hoods are crucial for what reason?

What is the typical CO2 concentration maintained in a CO2 incubator for mammalian cell culture?

Which piece of equipment is essential for maintaining optimal humidity in a cell culture incubator?

Despite high density, what is a major risk when culturing animal cells?

What temperature is typically maintained in CO2 incubators for culturing animal cells?

Why is osmolality important in cell culture media?

Which compound is commonly used to regulate pH in culture media?

What is the typical osmolality of commercial cell culture media?

What is a typical CO2 concentration maintained in an incubator for culturing cells?

Which of the following is NOT a necessary condition for optimal cell growth?

What role do antibiotics play in cell culture media?

Which type of culture media is specifically designed to support the growth of certain animal cell lines?

What can happen if the osmotic pressure outside the cell is too low?

In which of the following environments do mammalian cells grow best?

Why is a natural buffering system beneficial for cell culture media?

What is the purpose of using growth factors in cell culture?

Which of the following is an example of a common serum used in cell culture media?

Which aspect of the physical environment is crucial to protect cells during culture?

What challenge does slow growth rate of animal cells pose in culture?

What is a cloning factor in animal cell culture?

What is the primary source of primary cell cultures?

Which of the following is an example of a suspension cell?

HeLa cells, derived from Henrietta Lacks, are classified as what type of cell culture?

Which type of animal cell culture tends to be more homogenous?

What is the main function of a culture medium in animal cell culture?

Which of the following best describes adherent cells?

Which enzyme is commonly used for disaggregating tissues in cell culture?

Which condition is crucial for the successful growth of animal cells in vitro?

What type of culture arises from the direct transfer of a tissue sample to a culture medium?

What is the key advantage of using continuous cell lines in research?

Which of the following describes primary cell cultures?

What is a common method to identify the growth state of cultured animal cells?

Suspension cells are characterized by their:

Which of the following factors can affect contamination in animal cell culture?

In cell culture, what role does an incubator play?

Which growth factor is crucial for maintaining cell differentiation in culture?

Why might animal cells have a slower growth rate compared to other cells?

What is the main goal of scaling up an animal cell culture process?

Which factor is critical to maintain during the scale-up of animal cell culture?

What is the consequence of inadequate aeration in scaled-up animal cell cultures?

Which method is commonly used for maintaining sterility during scale-up of cell culture?

What type of bioreactor is often used for large-scale animal cell culture?

Which one of the following is NOT an advantage of animal cell culture?

What is a common application of scaled-up animal cell culture in pharmaceuticals?

In the context of scale-up, what does the term 'shear stress' refer to?

Bioengineering in scale-up of animal cell culture primarily aims to optimize what?

What is the purpose of mixing in an animal cell culture bioreactor?

Which cell line is historically significant in the development of animal cell culture techniques?

A major challenge during the scaling up of animal cell cultures is?

What role do growth factors play in animal cell culture?

During the scale-up process, which of the following can negatively affect nutrient distribution?

Which type of culture system is most appropriate for large-scale production of animal cells?

Which of the following is NOT an advantage of animal cell culture?

Animal cell cultures are particularly advantageous for which of the following reasons?

One of the advantages of animal cell cultures is their ability to produce therapeutic proteins. Which process facilitates this?

Which of the following best describes the significance of a homogenous population in animal cell culture?

What is a key benefit of using animal cell cultures over direct testing on live animals?

How does controlling the physical environment benefit animal cell cultures?

Which is a potential disadvantage of animal cell culture despite its advantages?

Animal cell cultures can be used to conduct studies on which aspect of cellular behavior?

Which statement reflects a limitation of animal cell culture?

What makes animal cell culture an efficient tool for biomanufacturing?

In terms of research, what is a major advantage of producing monoclonal antibodies using animal cell cultures?

One key characteristic that enhances the reproducibility of experiments using animal cell cultures is?

What is the primary purpose of cell viability determination in cell culture?

Which dye is commonly used in the dye-exclusion viability assays to determine cell viability?

In metabolic viability assays, which compound's reduction is often measured to assess cell viability?

What does a cell viability assay primarily measure?

Why is common practice to perform cell viability assays at regular intervals?

Which technique can indicate cell membrane integrity during cell viability assessment?

What is the role of DMSO in the freezing of cells?

What type of cell culture is derived from a single parental cell?

What can cause cell mortality during the freezing process?

In metabolic assays, the conversion of MTT to formazan occurs due to which cellular activity?

What should be avoided to uphold cell viability during freezing?

Which assay is a direct measure of cell viability based on membrane integrity?

What outcome would indicate a failure in maintaining adequate cell viability?

What is a common application of determining cell viability?

What factor is crucial for optimal growth in an animal cell culture?

Which type of culture is primarily associated with cells that can divide indefinitely?

What is a primary application of animal cell culture in biotechnology?

Which protein produced by CHO cells is used in the treatment of anemia?

Why are animal cell cultures crucial for developing vaccines?

Which type of cell line is commonly used for producing monoclonal antibodies?

Which growth factor aids in nerve development and is studied using animal cell culture?

How does animal cell culture assist in drug testing?

What is one of the main advantages of using animal cell cultures over in vivo methods?

Which of the following is a limitation of animal cell culture?

Which common application of animal cell culture involves testing substances that might be harmful?

What are CHO cells predominantly used for in biotechnology?

What is the significance of Henrietta Lacks' cells in research?

Which of the following is NOT a characteristic of animal cell cultures?

What technique is often utilized to enhance gene expression in cultured cells?

Which aspect of animal cell culture is a major challenge when scaling up production?

In what area has animal cell culture NOT been commonly applied?

How does the use of animal cell culture contribute to personalized medicine?