Skin cells from the body do not differentiate when they are simply placed in a tissue culture medium; that is, they do not organize into the structure of skin, with different layers and different cell types. What is needed to cause such differentiation to occur? Indicate the most important requirements on any material used.

Q: Explain how a primary cell line is established from a piece of biopsy tissue removed from a cancer…

A: Primary cell cultures are a very important tool that is used in biotechnology and in research. A…

Q: Some male veterans of the Gulf War in Iraq claim that their children have birth defects that were…

A: Meiosis is the process in which sex cells divide and create new sex cells with half the number of…

Q: If you draw on your skin with a permanent marker, the markings willfade in a couple of days. What…

A: Skin is the main part of the body that protects and shields the body from any extremities outside.…

Q: a) What percentage of each of the following types of cells would you expect to contain an X…

A: In this question, we have to answer the percentage  of  X chromosome in given cells.

Q: Release of lysosomal enzymes from white blood cells during a local immune attack can contribute to…

A: The lysosome is a cell organelle that contain different hydrolytic enzymes and helps in the…

Q: Outline an experimental approach to measure Amyloid Beta that microglia produces in vitro. What are…

A: The aggregation of Amyloid beta peptides and its progression is regarded as the primary cause…

Q: DESCRIBE the usual position of the nucleus in the cells of onionskin epidermis and cheek epidermis

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Q: The “Hayflick limit” is the number of times cells growing in tissue culture will divide before cell…

A: Introduction  Ageing of cells can be attributed to several factors such as degradation of cellular…

Q: About 200 distinct kinds of cells can be identified in the body in terms of differences in structure…

A: There are around 200 different types of cells present in the body, such as bone cells, fat cells,…

Q: True or False: A biopsy is a commonly-used method for detecting the presence of cancerous cells

A: Biopsy is a medical test in which  of sample cells or tissues are taken from suspected area for…

Q: Which types of cells are easier to replace, and thus can be found in places like our mouth and outer…

A: Cells that make the lining of the body are easier to replace. They are found in places such as the…

Q: One year after their first son was born, a couple gave birth to twins, a boy and a girl. At the age…

A: Bone marrow transplant (BMT) is a stem cell transplant procedure. This procedure is used to treat…

Q: Some male veterans of the Gulf War in Iraq claim that their children have birth defects that were…

A: Toxins are poisonous substances that are either released by plants, microbes, industries,…

Q: Cell differentiation can be involved in apoptosis related to metaplasia. Group of answer choices…

A: Introduction :- Cell differentiation is the process through which the undetermined or un-specialised…

Q: Invasion step of metastasis is a complex process that involves epithelial cells transitioning into…

A: Epithelial cells are specialised cells that coat the insides of spaces, organs, and blood vessels.…

Q: What kinds of cells are shown here? Explain what causes the colorsand appearance of the stages you…

A: This is a rod shaped bacteria and hence bacillus subtilis. Which is stained along with the bacterial…

Q: A group of cells is assayed for DNA content immediately following mitosis and is found to have an…

A: Mitosis is the process in which identical copy of a cell is made and is plain cell division and is…

Q: How are DNA microarrays used to screen a patient’s cells for a cancer prognosis?

A: DNA microarrays is an advanced technique to study the expression the genes at once.

Q: A. Differentiate between the two ways by which cells can cease to exist.

A: The two ways by which cells can cease to exist or undergo cell death involves apoptosis and…

Q: Why were Henrietta Lacks’ cells unique? What are some of the most important applications HeLa cells…

A: HeLa is an eternal cell line utilized in logical exploration. It is the most seasoned and most…

Q: Name these large cells at the tip of the pointers. = What is the term to describe the entire ring of…

A: The leaf anatomy can be studied through various sections of the leaf such as dorsiventral,…

Q: At operation for removal of a suspicious mass, the lead surgeon suggested that, the mass could be a…

A: The tumors can be of one of the two major types and the major types are benign and malignant, and…

Q: cer stem cells (CSCs) are cancer cells (found within tumors or hematological cancers) that possess…

A: Cancers are made up of morphologically and phenotypically diverse cell populations, just like…

Q: how much nuclear DNA in picograms is present in a skin cell during anaphase?

A: DNA is the genetic material present indide the nucleus of each of the cells in the eukaryotic body.…

Q: Secondary cell wall development and formation is lined and perforated by What?

A: Introduction: A cell wall is the non-living component that protects the cell's outer layer. It is…

Q: Are cells dead when removed from the body ? Like if you take a buccal swab of cells, are those cells…

A: Introduction Necrosis is a type of cell death that occurs when a cell has been severely damaged by…

Q: New treatments for several conditions are being developed using stem cells in medical waste, such as…

A: Cells are defined as the smallest and basic unit of life which provides structure to the body of the…

Q: Which statement about stem cells is false? A. Stem cells were first identified in the hematopoietic…

A: Stems are cells that are not differentiated or partially differentiated, that has the capability of…

Q: Which type of human cancer cells survived most at an RIP concentration of 10 micrograms per liter?…

A: Ribosome-inactivating protein (RIPs) belongs to the family of proteins that is capable of attacking…

Q: Radiotherapy is effective against cancer. Why?

A: KEY WORDS :- Radiation therapy - Through the radio active substance destroy the tumor cells.

Q: Reports in the media about stem cells usually state that they “turn into any kind of cell in the…

A: Introduction : There are few points to know about stem cells are:  Stem cells have quality to to…

Q: please explain how a primary cell line is established from a piece of biopsy tissue removed from a…

A: In order to examine a sample of tissue taken from the body, this procedure is known as a biopsy.

Q: 38. What are the principal tissue stains used in histology and describe where and what color each…

A: The correct option is A The hematoxylin stains cell nuclei blue, and eosin stains the extracellular…

Q: You have been asked to do a strucutural study to understand how increasing cell surface area affects…

A: Surface area refers to the outside area of an object , e.g it is the area around the outside of a…

Q: DESCRIBE THE STATUS OF TISSUE ENGINEERING AND STEM CELL THERAPHY IN THE PHILIPPINES.

A: In the United States, the stem cell therapy is yet years away from approval.

Q: Why is the extracellular matrix important for tissue cells?

A: Introduction :- The non-cellular component known as the extracellular matrix (ECM) is found in all…

Q: Cancer is related to cellular errors during certain mechanisms and due to certain factors yet, the…

A: Uncontrolled cell division result into cancer.  Cancer cells grow in large size and take on the…

Q: Carina is a 15-year-old girl who presents with acute-onset skin eruptions on her face.  A punch…

A: Dense Connective Tissue: Dense Connective Tissue is a term used to describe a type of connective…

Q: Describe the functions of unique surface markers on cell membranes.

A: Cells, the most fundamental and vital unit of life, are found in all living things. A cell oversees…

Q: Will cells from your liver and your brain have the same DNA fingerprint? Explain.

A: DNA fingerprinting in genetics is method is method of isolating and identifying a variable elements…

Q: What new characteristic will the cells have after transformation?

A: Transformation is defined as the process by which an organism will acquire exogenous DNA…

Q: Which of the following is the best description of cancer cells growing larger than normal…

A: Cell is a structural and functional unit of living organisms. Several cells joined together to form…

Q: what type of cells possess unlimited proliferation potential and have the capacity to self renew,…

A: An organism is made up of millions of cells .Cells arrange themselves into tissue, Tissues make…

Q: You take a sample of cancerous tissue from Individual II-6 from the prior question. What will the…

A: X- linked inheritance X linked inheritance is a pattern of inheritance when the trait is controlled…

Q: At which of the following stages do human skin cell nuclei have the same DNA content? (a) early…

A: The term'skin cell' can refer to any of the epidermis' four primary types of cells. Keratinocytes,…

Q: under the same cell culture conditions that lead cultured normal cells to reduce their growth rates,…

A: Malignant cells are cancerous in nature.