Which of the following is not a phase of XCI?a. Initiationb. Spreadingc. Maintenanced. Erasure

Q: What is a biomarker? a. the color coding of different genes b. a protein that is uniquely produced…

A: Answer is b.)

Q: A mutation in phage λ results in 10-fold greater transcription ofthe cII gene. How do you think this…

A: Lambda phage is a temperate phage that undergoes both lysogenic and lytic life cycle. It contains a…

Q: It seems that the expert answer touches on many points, but does not address the question precisely,…

A: Introduction  Proto-oncogenes are a set of genes that, when altered, lead normal cells to become…

Q: Which of the folowing statements best describes future generations of these bacteria? A) They will…

A: Antibiotic is used against the bacterial infection, and to suppresses the growth of the bacterial…

Q: Draw a diagram depicting the 4 steps of base excision repair, and give a short description of what…

A: Base excision repair is a cellular mechanism that is studied in the fields of biochemistry and…

Q: The likelihood of co-transformation of two bacterial genes increases: a. As their distance apart on…

A: The transformation of a gene include the introduction of a foreign desired gene at the place of a…

Q: Which of the following is an example of horizontal gene transfer? a. the transmission of an eye…

A: Horizontal gene transfers play an important role in adaptation and development in both the…

Q: Key characteristic prions:(a) Found only in brains cells(b) Heat-resistant genomic material(c)…

A: Answer is a.) found only in brain cells.

Q: Monoclonal anti-bodies are the anti-bodies produced by_______ cells.a) cloned b) fertilized c) stem…

A: Antibodies, also known as immunoglobulins are Y-shaped globular proteins secreted by the plasma…

Q: The ________ clones are developed by nuclear transfer into the host cell.a) Artificial b) Natural c)…

A: Cloning is a genetically manipulating procedure that results in a genetically identical cell or…

Q: A means of introducing a cloned gene into cells for gene therapyis viaa. liposomes.b. retroviral…

A: Gene therapy is a technique that is used to replace a mutated gene with a normal gene in order to…

Q: Which of the following can lead to cancer?a. smokingb. pollutionc. mutations of Rb and p53d. All of…

A: Cancer is a disease that is characterized by rapid and indefinite growth of cells, resulting in the…

Q: Jamie conducts an experiment to determine the order of gene in bacteria. She uses an Hfr bacteria…

A: The transformation experiment can we perform for the determination of gene order. During…

Q: Which of the following is a type of genetic change that may producean oncogene?a. Missense…

A: Answers d.) All of the above may produce an oncogene.

Q: Antibody diversity is produced bya. V(D)J recombination.b. imprecise end joining during V(D)J…

A: The human body is a well built machine in which all the organs coordinate together to make it work.…

Q: Which of the following is correct regarding the vector vaccine? Select one: a. It is a vaccine which…

A: A vaccine refers to a biological preparation that helps an individual to develop immunity against a…

Q: The induced clones are developed by ________ into the host cell.a) Nuclear transfer b) Gene transfer…

A: Introduction: Cloning is a process by which genetically identical cells can be produced either…

Q: The mechanism of specialized transduction relies on the improper excision of a bacteriophage genome…

A: Gene transfer is the method of inserting genetic material (DNA or a gene of interest) into cells…

Q: Sometimes Ab interferes with the attachment site on virions so they can't attach to a host cell.…

A: Antibody responses are important for avoiding many viral infections and may also contribute to the…

Q: According to the selfish DNA hypothesis, TEs exist becausea. they offer the host a selective…

A: Selfish DNA is a sequence of DNA that have two distinct properties such as the DNA sequence spreads…

Q: Which of the following stages is related with transformation process? I. formation cell to cell…

A: Gene transfer refers to the process by which genetic information from one organism is passed to…

Q: Positional information may provide a cue for a cell to a. divide. b. migrate. c. differentiate. d.…

A: Cell is a basic membrane-bound unit and it is often called as the basic building blocks of all…

Q: Discuss how genetic mosaics can help determine thefocus of action of a gene.

A: Mosaic in genetics is the phenomenon in which in an individual two or more different types of cells…

Q: The enzyme hydrolase is critical for which of the stages to occur as a consequence of a…

A: The phages are viruses that are also called as bacteriophage that infects bacteria. Most of the…

Q: Explain how gene therapy was used to treat SCID in a patient

A: Severe Combined Immunodeficiency Disease (SCID) is a rare genetic disorder characterized by the…

Q: With current genetic tests, a negative result does notnecessarily rule out future development of a…

A: Genetic testing can be described as a test process that includes examining DNA and its database,…

Q: Why might the longevity of an ISC be left to chance?

A: There are a number of factors that affect longevity and these are: Gender Genetics Crime rates.…

Q: Which of the following is a type of genetic change that couldproduce an oncogene?a. Missense…

A: The oncogene can be defined as any gene that particularly codes for a protein that leads to the…

Q: Which of the following includes all of the others?a. homeotic genes c. SRY geneb. master regulators…

A: Homeotic gene involves a group of those genes that control the pattern of anatomic developments in…

Q: Lysogenic bacteriophages can Become dormant in host cells Transfer new genes to bacteria Integrate…

A: Answer is (E) All of the above Lysogenic bacteriophage can become dormant in host cells transfer…

Q: cterium of genotype a+b+c+ is the donor in a cotransformation mapping experiment. The recipient is…

A: Cotransformation is transformation of 2 or more genes simultaneously. However, the genes in in the…

Q: Dolly was developed in the year _______.a) August 1982 b) July 1996 c) July 1994 d) September 1974

A: The creation of Dolly, a lamb cloned from an adult sheep by nuclear transplantation from a…

Q: ________is an example of reproductive cloning. a. Somatic cell nuclear transfer (SCNT) b. Multiple…

A: Reproductive cloning is defined as the deliberate production of genetically identical individuals.…

Q: A cell with a Barr body is______ . a. a bacterium c. from a female mammal b. a sex cell d. infected…

A: A Barr body is defined as a stained X chromosome which is inactivated and found in mostly every…

Q: Match the players in the cdk-cyclin story to the colors in the picture below (1-Blue, 2-Green, 3-…

A: Cyclin could be a family of proteins that controls the movement of a cell through the cell cycle by…

Q: Complete the sentence about converting um to cm. When going from um to cm, you should [ Select]…

A: Multiplication or division by a numerical element, collection of the right number of important…

Q: Which are ethical concerns related to editing the genes of germline cells? Select all that apply. O…

A: According to the question, we have to find out the ethical concerns related to editing the genes of…

Q: Which of the following is NOT a feature of a pathogenicity island? O They cannot be acquired through…

A: Pathogens are the organisms which upon entering in to the  host causes infectious diseases.

Q: Which are ethical concems related to editing the genes of germline cells? Select all that apply. The…

A: Genetics is the branch of biology that deals with the study of genes, their variation, and heredity…

Q: two directly trasmitted viral diseases have the same basic reproduction number (R0 - R not) even…

A: These are extremely widespread infections caused by viruses,  a type of microorganism.

Q: True of False Each answer must be justified with a short explanation A. The phenotype of a bacteria…

A: Bacteria are minute, single-celled creatures that may be found in large numbers in all environments,…

Q: A bacterium of genotype a+b+c+d+ is the donor in a cotransformation mapping. The recipient is…

A: Transformation is a natural process of uptake of DNA (deoxyribonucleic acid) by a bacterial cell…

Q: The process involving signals being sent between a cell interacting with one or more cells close by,…

A: Cell signalling is the process in which cell catch up the stimulus from the external environment…

Respiratory Infections

Respiratory infections are infectious diseases of the respiratory tract that are mostly caused by bacteria and viruses. They cause infections of the throat, sinuses, airway path, and lungs. Respiratory infections are typically divided into two types: upper tract respiratory infection and lower tract respiratory infection.