A mutation in the p53 gene creates a misfolded protein that is overactive.  This scenario would most likely __________ cellular division.  If the mutation affected the protein’s beta-sheets, it most likely affected the protein’s __________ conformation. Select one:

Q: In a multicellular organism, cells undergo mitosis to produce all the cells of the organism. Each of…

A: DNA is the genetic material present in most higher organisms.It is present in the nucleus of the…

Q: The diagram shown represents the coding strand of the myosin gene. Mutations in myosin can lead to…

A: mRNA  The short chain of RNA molecule that is made by the process of transcription. And translated…

Q: Translational control of gene expression occurs within thea. nucleus.b. cytoplasm.c. nucleolus.d.…

A: A gene is the fundamental biology unit just like the atom. Gene expression is the process by which…

Q: Proteins imported into the nucleus_____.

A: Introduction and answer - Protein folding refers to the process by which a protein assumes its…

Q: The key to epigenetic regulation is ________.   a. controlling accessibility to transcription…

A: Epigenetic regulation of a gene is the interaction by which the activity of a specific quality is…

Q: Several new cancer drugs inhibit the enzymes that either put acetyl groups on histones or take them…

A: Cancer in simple term can be referred to a set of diseases which are caused by the production of an…

Q: Epigenetics works by Select one: a. activating DNA ligases so they can clip attached methyl groups…

A: Epigenetics is a field of study within genetics that focuses on heritable changes in gene expression…

Q: Kinesin is a ______ and p53 is a ____ Select one: a. motor protein, transcription factor b.

A: ANSWER a) motor protein and transcription factor.

Q: The role of p53 in normal cells is toa. create cancer-blocking mutations.b. trigger unrestrained…

A: Answer- P53 is the tumor supressing gene that is prensent in every cell. Any mutation in this leads…

Q: Lactose intolerant individuals do not produce the enzyme lactase. Studies show that the gene that…

A: Lactose sugar is obtained from milk products and milk. When people do not produce enough lactase…

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: You are investigating the transport of proteins into the ER in various mutant cells. Where would you…

A: Transport into the endoplasmic reticulum (ER) is the important step inside the biosynthesis of…

Q: Which of the following statament is NOT TRUE about gene expression? a. The expression of genes that…

A: Gene expression is the process where cell uses to produce the molecule it needs by reading the…

Q: Gene alteration due to mutagen may cause adverse effect on our life. However, not all mutations can…

A: Mutations are changes in the sequence of our DNA, either due to errors in DNA copy or due to…

Q: Exposing Escherichia coli (e.coli) to ionizing radiation results in DNA damage. Say you perform an…

A: Gene expression is the process by which information from a gene is used in the synthesis of a…

Q: As part of a cancer research project, you have discovered a gene that is mutated in many metastatic…

A: Serine proteases are enzymes that degrade proteins in the extracellular matrix, specifically…

Q: _____ is the combination of a seat, elation, another modifications to the histones that allow for…

A: Epigenetics is the study of stable phenotypic changes which do not involve alterations in DNA…

Q: Suppose that you have cancer cell line X was treated with drug Y to increase the expression levels…

A: The genes that suppress tumors are ordinary genes, which delay cell division, fix DNA errors or tell…

Q: Use the description of the FGFR3 and your knowledge of protein synthesis to explain how this…

A: FGFR3 stands for fibroblast growth factor receptor 3. It is found in the cell's membrane and sense…

Q: HeLa cells are a line of cells grown in laboratory culture that has been used extensively in…

A: Cancer cells are distinct from the normal cells in several ways. Normal cells exhibit controlled…

Q: You are looking at the results of a western blot from the lysates of cells harvested from a…

A: When you observe an increased expression of INK4-p16 in the lysates of cells harvested from a…

Q: The cell is triggered to make insulin when a glucose molecule binds to a receptor on the surface of…

A: The endocrine system commands and coordinates the complex actions of the body by secreting chemical…

Q: Exosomes were once thought to be a way a cell discards its waste.  Now we know that their normal…

A: The correct option is a cell to cell signaling; aiding metastasis. Exosomes are bilayer membrane…

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

A:

Q: Alterations in which of the following intracelluar pathways appear to be required for human cell…

A: <!--<SUB-PART>--> (a) <!--<SUMMARY-INTRODUCTION>-->   To Determine: If the…

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: f cancers are treated with surgery, chemotherapy, stem cell replacement or radiation, similar to…

A: Cancer cells  can be defined as the cells that mostly  divide continuously  and forming the solid…

Q: Explain How can you study protein Z in these cells? (needed)

A: The tumor suppressor gene directs the production of a protein that regulates cell growth during cell…

Q: In gene expression, a gene is _________ (translated, transcribed) into mRNA, which is then _________…

A: Expression of gene is the cycle by which the directions in our Deoxyribose Nucleic Acid (DNA) are…

Q: Cigarette smoke contains at least fifty-five different chemicals identified as carcinogenic (cancer…

A: Carcinogens are agents that may be chemicals, radiations or pathogens that May directly alter the…

Q: The man's genetic defect appears to be due to the mutation of the promoter region of a protein X.…

A: Sanger method is also known as enzymatic chsin termination method and was developed by Frederick…

Q: A tumor suppressor gene regulates the cell cycle; an example is

A: The tumor suppressor genes are anti-oncogenes that prevent the uncontrolled growth of the cells by…

Q: Which of the following order of events correctly depicts the Central Dogma as it would occur in an…

A: The Central Dogma of molecular biology, first proposed by Francis Crick in 1958, represents the flow…

Q: Imagine a protein that normally functions in the nucleus. If you added an ER signal sequence to the…

A: The translation of proteins occurs by membrane free ribosomes or by membrane bound ribosomes. The…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.