Which of the following cell types will most likely reach cell senescence after many rounds of replication? A. Adult stem cells B. Cancer cells C. Normal adult somatic cells D. Embryonic stem cells

Q: Often mutations in cyclin dependent kinases, CDKs, can cause cancer. This is because a. CDKs…

A: Cyclins are one which drives the cell cycle events by working with enzymes called Cyclin-dependent…

Q: Which of the following is not considered a species of modern humans?a. Homo heidelbergensisb. Homo…

A: To find: Which of the following is not considered a species of modern humans

Q: In which phase of the cell cycle does DNA replication occur?   a. G1 Phase   b. S and M Phases…

A: Cell cycle/division is a pivotal process in all living organisms and includes cell division,…

Q: hich of the following cell types would you expect would grow and divide continuously if given…

A: Cancers cells are those cells which continue to grow and divide indefinitely in presence of…

Q: Which of the following is MOST likely true of aggressively dividing cancer cells (select one)?   A.…

A: Cancer cells: Because they no more react to many of the signals which regulate cellular development…

Q: Which of the following events occur in the stage of cell division illustrated above? Select one: a.…

A: There are two types of cell division observed in eukaryotes. They are mitosis and meiosis. Mitosis…

Q: Cancer cells can secrete factors which promote the formation of new blood vessels. The formation of…

A: Cancer is a condition in which the cells divide in an uncontrolled manner and spread to different…

Q: Chromosomes are visible under microscope during cell division because a. Thickening of chromatins b.…

A: Correct option is a.Thickening of chromatins    The nucleoli vanish, and the chromatin fibres…

Q: What part of the cell cycles are checkpoints that regul

A: Checkpoints aid in regulating the flow of the cell cycle. It is studied under the domain of…

Q: During mitosis: a. homologous chromosomes are pulled in opposite directions b. sister chromatids of…

A: Mitosis is the process of cell division  in which one cell gives rise to the two genetically…

Q: Chemotherapy is a form of drug therapy given to cancer patients. One effect of chemotherapy drugs is…

A: DNA is the chemical name for the particle that carries hereditary instructions in all living things.…

Q: Identify the type of cells undergoing cell division in phases 1 and 8 in the diagram above.…

A: A single cell will divide and produce two cells. These cells will further divide to produce four…

Q: Choose the item in column 2 that best matches each item in column 1.…

A: Cdk - cyclin dependent kinases is one.  APC - anaphase promoting Ced mutants - cell death mutants…

Q: Put a checkmark next to any of the following scenarios that would make it MORE likely that a cell…

A: Need to find all the options that produce uncontrollable cell division  and to increase chance of…

Q: In a healthy cell, which of the following proteins will be activated in order to suppress cell…

A: This protein controls cell division by acting as a tumor suppressor, which means that it prevents…

Q: Assuming that apoptosis fails and the cell continues through several cell cycles... what would the…

A: Introduction  Almost all cells in the body can divide and form new daughter cells however, there…

Q: P53 is a tumor suppressors protein.   The protein is present in the cell at all times but is…

A: Answer) E It would spread to all parts of the body. p53 gene act as a tumor suppressor gene and get…

Q: Explain the theory behind how a normal cell turns into a malignant tumor cell and forms metastases.

A: Cancer is a group of diseases involving abnormal growth of cells, which tend to proliferate in an…

Q: In the image, you can see one cell that is in the process of mitosis. (Note that chromosomes are…

A: B . Metaphase

Q: 15. Cancer comprises many diseases with a common cause: uncontrolled cell growth. Cancer is a…

A: Cell development in the body occurs improperly and uncontrollably in diseases like cancer. The other…

Q: A mutated form of protein p5x is found in patients with squamous cell carcinoma. In vitro studies…

A: A gene that produces a protein that is essential for regulating cell division and death and is…

Q: This begins early in the telophase and continues after the nucleus has formed in the daughter cells.…

A: The two types of cell division include mitosis and meiosis. Mitosis mainly contributes to the…

Q: The growth period of the cycle is considered as the interphase in which one of the prominent parts…

A: Interphase is that time period in between the two cell divisions during which the cell prepares…

Q: In a wild-type cell, the function of a protein encoded by a tumor-suppressor gene is to cause a cell…

A: When a cell grows and divides uncontrolled it leads to the formation of an irregular mass of cells…

Q: A cell in this stage of cancer no longer makes the set of proteins that is was originally instructed…

A: There are 3 pre cancerous stages -  1) hyperplasia  2) dysplasia  3) carcinoma in situ  Hyperplasia-…

Q: You have a cell with a mutated and abnormal p53 protein. Which of the following will be affected in…

A: Introduction :- On chromosome 17, the p53 gene has been identified. The p53 protein in the cell…

Q: During this stage of mitosis, the chromosomes become attached to the spindle fibers. A.…

A: Mitosis is a process where a single cell divides into two identical daughter cells . During mitosis…

Q: As a result of lost cell cycle control, a cell may a. immediately die b. continously divide to form…

A: Cell cycle: it is the process by which a cell can increase its size and divides to form daughter…

Q: Identify the phase in mitosis in which the centromere splits and the sister chromatids are pulled to…

A: Mitosis is a process where a single cell divides into two identical daughter cells. The major…

Q: Why would the failure of the p53 tumor supressor gene be more likely to cause cancer in a seventy…

A: Tumor protein p53, which plays a crucial role in the cellular response to DNA damage, is one of the…

Q: A biologist examines a series of cells and counts 160 cells in interphase, 20 cells in prophase, 6…

A: The cell goes through a series of stages called cell cycle in which the cell increases in size (G1,…

Q: Which of the following does NOT occurr during mitosis?   a. condensation of the chromosomes…

A: Mitosis is a part of the cell cycle when replicated chromosomes are separated into new nuclei. It…

Q: An individual can inherit a gene in which expression has been altered by an ________ change with no…

A:

Q: The period of the cell cycle when DNA replicates is _________________.  a. G1 phase b. G2 phase c. S…

A: The period of the cell cycle when DNA replicates is  S phase.

Q: Much remains unknown about the rapid, uncontrolled growth, or what causes a tumor to metastasize.…

A: Cancer is a disease in which abnormal cells divide uncontrollably and destroy body tissue. A…

Q: What is differentiation? A. When a cell switches from its original purpose B. The process of…

A: Hi, Thanks For Your Question.  Answer : Correct Option Is C (The process by which cells become…

Q: 4. Cancer cells keep proliferation and eventually kills the host (human body). Unfortunately, you…

A: Cancer is a condition when a few of the body's cells proliferate out of order and migrate to other…

Q: A scientist studying a group of somatic cells notices that when the cell cycle is complete, half of…

A: Cell cycle consists of cyclic event that place when cell divide into two daughter cells. It consists…

Q: How does gene activation lead to cell differentiation? Explain the correct answer and explain why…

A: Cell differentiation is a method by which a particular cell achieves a specific fate and become…