Why is it easier to manipulate embryonic stem cells to differentiate into various tissues than it is to manipulate a typical adult cell?   a. As cells develop, signaling pathways can cause some genes to be turned off during development.   b. Adult cells have

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: Why are dominant mutations in proto-oncogenes generally not inherited? A. Inherited mutations in…

A: Cancer is a condition that manifests as the unchecked growth of a collection of abnormal cells that…

Q: Estrogen works by binding to the ER. It includes two types ER alpha and ER beta and the two…

A: Estrogen receptors(ES) are the protein molecules present inside the cell. Their activation takes…

Q: Which of the following best describes a gene that codes for a tumor-suppressor protein? a. One that…

A: Cell growth is the process by which cells gain mass and expand in size. Animal cells that are…

Q: Which of the following might explain why some individuals lack the ability to make enough T-cells?…

A: T-cells are generally one kind of lymphocyte and one of the crucial parts of white blood cells.…

Q: 35. What is the difference between a teratoma and an anaplastic tumor? A. Teratomas and anaplastic…

A: ▪︎Teratoma :Teratomas are germ cell tumors commonly composed of multiple cell types derived from one…

Q: These genes are involved in normal cell growth and division, but if mutated, could become more…

A: Oncogenes are tumour-causing genes. They are mutated and abnormal that leading to uncontrolled cell…

Q: One of the differences between embryonic stem cells and adult stem cells is _____. a extracting…

A: Extracting Adult Stem Cells doesn't affect embryo in any sense, so option D is completely false.…

Q: hich of the following correctly explains how gene expression can change in a differentiating cell in…

A: An embryo is the very first stage of a multicellular organism's development.

Q: Myogenic bHLH proteins are ___________ that promote ____________. a. cell-signaling proteins,…

A: Cell consist of proteins which are called as receptors are bonded with the signaling molecules which…

Q: Which of the following statements is true regarding cell cycle regulators? a. Cyclins determine…

A: Cell cycle doesn't occur in unchecked manner. Cell preperation is usually checked by regulatory…

Q: Which of the following statements about iPS cells is correct? O A. They are derived from embryonic…

A: Pluripotent stem cells keep promise withinside the discipline of regenerative medicine. Because they…

Q: Match the gene on the left with the gene category on the right.…

A: Genes  Genes are the information coded in a DNA. They make our protein and enzyme. They are…

Q: Normal (nonmutant) tumor-suppressor genes often functiona. as negative regulators of cell…

A: Cancer is defined as the biological disorder in which the cells undergo uncontrolled growth and cell…

Q: neural crest cells

A: Migration and differentiation of neural crest cells  After a period of extensive migration through…

Q: Which of the following accurately compares tumor suppressor genes and proto-oncogenes? A. Both…

A: Tumor suppressor genes and proto-oncogenes are both types of genes that play important roles in…

Q: Hypermethylation is thought to contribute to cancer by a. inhibiting DNA replication. b. inhibiting…

A: DNA methylation is one of the intensely studied epigenetic modifications in mammals. The regulation…

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: Cancer can arise spontaneously, but it can also be induced as a result of environmental factors such…

A: Cancer is a collection of diseases characterized by abnormal and uncontrolled growth. Cancer arises…

Q: Specific genetic links have been shown for which of the following cancer? I. Cervical cancer II.…

A: Cancer refers to a group of diseases characterized by the abnormal growth and division of cells that…

Q: Identify the example that is ONLY true of the vertebrate innate immune system.

A: Innate immune system It is the immunity that is present in the body since birth. It aids in…

Q: How can benign tumors cause clinical problems? A. There is potential for metastasis B. They contain…

A: Benign tumours are harmless non cancerous tumours that grows only on one place.They cant invade or…

Q: One example of an oncogene is ras. Ras is a G protein that is activated when growth factors bind to…

A: Cell cycle:  It is the sequence of events by which the genome of the cells gets duplicated and the…

Q: Speculate why humans have evolved additional barriers to tumors compared to mice. What are some of…

A: For almost all animals, old age is associated with a common decline in tissue structure &…