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: Somatic death is:     A. Death of part of the organism     B. Death of the whole organism     C.…

A: Refer step 2 for answer

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: Chromosomal translocations AND mutations in cadherin binding sites can result in cancer. Select one:…

A: Introduction: When a segment of one chromosome separates and joins another chromosome, the process…

Q: Translation occurs in the _, where the __ produce ___ from RNA. a. nucleus . . . ribosomes . . .…

A: Introduction  Genome consists of DNA/RNA which consists of nucleotides either deoxyribose…

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: Tightly coiled DNA is ________.   a. known as hypermethylated   b. translationally regulated   c.…

A: Tightly coiled DNA is transcriptionally inactive. The DNA is tightly packed with histone proteins in…

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: During transcription, 1 nucleotide of DNA corresponds with ________ nucleotide of RNA:

A: Answer: Transcription : It is the process in central dogma during which DNA is transcribed in to…

Q: During the ________ phase, the cell accumulates building blocks and energy resources to copy its…

A: INTRODUCTION S phase This is the phase in which DNA is replicated, occurring between G1 and G2.

Q: If a is inactive, a cell may become cancerous. Ca. proto-oncogene b. tumor suppressor gene Cc.…

A: Cancer is the group of diseases. It involves the uncontrolled division of normal cells in the body.…

Q: An individual has a mutation in the gene that codes for hemoglobin. This results in sickle cell…

A: In sickle cell disease, the mutation causes the substitution of the amino acid glutamic acid with…

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: Regulation of gene expression most typically occurs at the level of ______________. Select one:

A: DNA is the nucleic acid serving as the genetic material of almost all living entities except a few…

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: Initiation factors (IFs and eIFs) participate in the cellular process of ________________ . Question…

A: Spicing is removal of introns from a primary transcript. mRNA processing involves splicing , capping…

Q: RNA splicing removes ________ from the RNA transcript.   a. exons   b. axons   c. introns

A: Splicing makes genes more "modular," allowing for the emergence of new exon combinations.…

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: Number the following steps of protein synthesis in the order in which they occur, starting with 1…

A: Central dogma involves transcribing the information from DNA to RNA and from RNA to protein…

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: Some point mutations lead to an mRNA that produces a shorterpolypeptide. This type of mutation is…

A: Mutations could be defined as the sudden inheritable changes that occur in the genome of a given…

Q: The main function of an mRNA molecule is to_______ . a. store heritable information b. carry a…

A: According to the question, we have to mention the main function of an mRNA molecule. So, let us have…

Q: Proteins that regulate gene expression by directly binding to the DNA are known as _____.​

A: Answer:  GENE EXPRESSION = This is the process of conversion of all stored information in DNA in to…

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: In some cancer cells, a specific gene has been duplicated many times. Is this gene likely to be an…

A: Cancer is an uncontrolled division of cell that has a defunct apoptosis mechanism. Usually, when…

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

A: Kinesin protein moves along the microtubules in the cell. It consists of two heavy and two light…

Q: ________ are encoded by a nucleotide triplet codon.

A: Answer - Option A - Amino acids

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: Bully whippets are homozygous for a deletion of two base pairs in the myostatin gene. The deletion…

A: Proteins are produced from the information contained in the DNA. Specific regions of DNA, known as…

Q: The _______________ catalyzes the excision of introns from pre-mRNA. (a) ribosome (b) spliceosome…

A: Transcription  It is the process by which gene's DNA sequence is copied into RNA molecule. It is a…

Q: You are studying a protein that you observe to be located in the ER and Golgi. You hypothesize that…

A: Introduction :- ER and Golgi are membrane bound organelles, which are present in the cytoplasm of a…

Q: E. Coli, Chinese hamster ovary (CHO) and HEK293 are all cell lines used to for protein production.…

A: Cell lines are important for studying pathophysiological, physiological, and the differentiation…

Q: alements about this mRNA as either true or false. Once the mRNA has entered a person's cells, it...…

A: mRNA, or messenger RNA is a type of ribonucleic acid that plays a crucial role in the process of…

Q: Cells in a tumor contain mutated copies of a particular gene that promotes tumor growth. Gene…

A: An oncogene helps in control cell division and  contributes to cancer progression whereas a tumor…

Q: Oocytes contain inactivated ______ that become activated soon fertilization.  The mechanism that…

A: An essential step at the beginning of embryo development during fertilization is oocyte activation.…

Q: A study was conducted to determine the importance of Nucleoid Associated Proteins (NAPs) by deleting…

A: 1- Nucleoid-associated protein (NAPs): These are small DNA binding proteins which can alter the DNA…

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.