Q: Discuss and elaborate thoroughly the statement “oocyte activation involves inactivation” using…
A: In mammals, fertilization involves a series of consecutive steps that starts with the recognition…
Q: What is the purpose of G1 checkpoint?
A: Introduction :- The G1 checkpoint, also known as the restriction point in mammalian cells and the…
Q: Explain the molecular mechanism of maternal effect.
A: The genes that are responsible for showing non-mendelian inheritance are found outside the nucleus…
Q: Briefly discuss the secondary vesicles in the embryonic development.
A: Embryonic development in other terms is called as the embryogenesis is the process of development…
Q: Describe the function of the extraembryonic membranes.
A: It is situated outside the embryo and developed from the zygote but not part of the embryo Four…
Q: Menstrual change is a common symptom of uterus myoma, which of the following factors is related to…
A: Myoma means a noncancerous tumor that occurs in the uterus. Menstrual change is a common symptom of…
Q: Which of the following can be regarded as unipotent stem cells. A Germ cells B Induced-pluripotent…
A: Since it is multiple question type we should answer one among them. Our body consists of cells,…
Q: Describe how Microfilaments is involved in fertility (either directly or indirectly), include 5…
A: Fertilization is the phenomenon through which male and female gametes fuse together and create…
Q: Summarize the role of the Xist gene in X inactivation inmammalian cells.
A: A DNA sequence encodes functional RNA, but that RNA is transcriptionally inactive; such a DNA…
Q: . Define the term morphogen
A: Morphogen is a substance whose non-uniform distribution governs the pattern of tissue development in…
Q: Explain why mutations in tumor suppressor genes are recessive (both copies of the gene must be…
A: Mutation in an organism is defined as a permanent alteration of “nucleotide sequences”. The…
Q: Describe two ways that an oocyte avoids polyspermy.
A: The fertilization of the egg takes place by the fusion of the sperm and the ovum. Sperm is produced…
Q: Give a well labelled diagram of metaphasic chromosome.
A: The cell can divide either by mitosis or meiosis. Meiosis occurs in germ cells like egg and sperm.…
Q: Define about Several types of cellular stress events bring about rapidincreases in the nuclear…
A: The p53 is also known as the guardian of the genome. It is a tumor suppressor gene. The function of…
Q: Discuss the genetic engineering of nodulation genes and the molecular events that occur during…
A: * Nodulation is an host specific process where rhizobium will be having a defined host plant range.…
Q: Using specific molecular evidence, elaborate on the remark "oocyte activation entails inactivation."
A: Egg activation refers to the early events that occur at fertilization and that start the development…
Q: Discuss about Cdc25 phosphataseactivates mitotic CDKs,which activate earlymitotic events
A: The cell cycle, also known as the cell division cycle, is a sequence of events that allow a cell to…
Q: Describe with diagram the synaptonemal complex
A: As we know all living organisms are made of basic unit of structure and function called as cell. To…
Q: Discuss Inactivating the genes forsome ECM proteins results in defective skeletal development…
A: The extracellular matrices are composed of protein and polysaccharides that are present in between…
Q: Which of the following can be used to answers the question of whether or not a protein is sufficient…
A: The detection and quantification of proteins produced in a differentiating cell is important to…
Q: Discuss two reasons why the therapeutic use ofembryonic stem cells can present a problem.
A: The embryonic stem cells are pluripotent cells that possess the ability to differentiate into any…
Q: Explain circadian rhythms in terms of gene expression.
A: " ANSWER Circadian rhythms Are powered with the aid of an intrinsic timing machine this is…
Q: Describe how Intermediate Filaments is involved in fertility (either directly or indirectly),…
A: The intermediate filaments are minute fibre-like structures inside the cell. They are the cell…
Q: True or false: The telomere-shortening theory is an example of a stochastic theory of cell aging.
A: It is thought that, as a cell divides, the telomeres become shorter and shorter each time until they…
Q: The somatic stem cells are derived from source such as_________.a) Bone marrow, embryos, amniotic…
A: Somatic stem cells, also known as adult stem cells are undifferentiated cells that are found in the…
Q: Explain the term trophoblast.
A: An embryo is defined as an organism in the early stages of growth and differentiation, from…
Q: Please list the genetic processes that are crucial for gametogenesis and explain their importance.
A: Gametogenesis is significant because it is the mechanism by which your functional gametes (egg and…
Q: Explain the Role of telomere in regards to cancer
A: Telomeres gradually shorten with each cell division, resulting in less protection for the…
Q: Define induction and types of induction.
A: The sexually reproducing animals develop a zygote after fertilization which then undergoes repeated…
Q: Describe the steps by which the TP53 gene responds to DNA damage and/or cellular stress to promote…
A: It codes for a protein or a functional product rRNA (ribosomal RNA) or tRNA (transfer RNA). DNA is…
Q: Wnt”is a regulatory factor that regulate myogenic stem cell proliferation? True False
A: Wnt glycolipoproteins are extracellular ligands that can be present in many species, ranging from…
Q: A. Name the two proteins that induce a negative feedback in this pathway and explain why both…
A: Since, you have posted multiple questions we will solve the first question for you. If you want any…
Q: Describe the three basic steps in the formation and fusion of autophagosomes.
A: Autophagosomes are double-membraned vesicles that contain cellular material slated to be degraded by…
Q: Explain the normal regulation of proto-oncogenes and tumor suppressor genes that prevents cells from…
A: Oncogenes and tumour suppressor genes are two types of genes that relate cell cycle regulation to…
Q: The p53 protein regulates the expression of BAX and Bcl2 to keep division at normal rate. Explain…
A: The p53 gene codes for p53 protein which regulates the expression of BAX and Bcl2 to keep cell…
Q: Define the term thecodont.
A: The term dentition refers to the development of teeth and their arrangements in the mouth. In…
Q: define mutator genes and explain their role in carcinogenesis
A: Carcinogenesis is a multistage and multistep process involving modification and mutation to genes…
Q: List the regulatory mechanisms that might be lost in a cell producing faulty p53.
A: The cell cycle is the series of events that lead to the formation of new cells from the parent…
Q: Distinguish between genetic and epigenetic influences on development.
A: Various environmental factors also affect genes, their study is known as Epigenetics. Environment…
Q: Describe the relationship between telomeres and senescence.
A: Chromosomes are the linear structures present during cell division.
Q: Describe how p53 functions to arrest cells in G1 and G2 stages of the cell cycle to regulate the…
A: p53 protects mammals from neoplasia by inducing apoptosis, DNA repair and cell cycle arrest in…
Q: Identify Genes Required for Specific Developmental Processes
A: The gene can be defined as a basic physical and functional unit of heredity. The genes are made up…
Q: Discuss the role of par genes in generating anterior/posterior polarity in the C. elegans embryo.
A: C. elegant is a nematode that is used as a model organism in developmental research. Six proteins…
Q: Distinguish between mutations in somatic cells versus in germ cells.
A: A mutation is a alteration in the sequence of DNA of an organism. Mutations are caused by…
Q: discuss briefly the concepts of: Cell differentiation Morphogenesis Pattern formation Also, cite…
A: Introduction :- Cell differentiation is a development process which involves production of different…
Q: Discuss the relationship between cancer and changes in gene expression that affect cell…
A: Cancer is the condition in which the control over the process of cell division is lost.
Q: Please explain the relationship between proto-oncogenes and the cell cycle. Then describe three…
A: The cell cycle has several checkpoints which regulate the various stages of cell cycle. There are…
Discuss the molecular players in myogenesis. Specify their role in the process.
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- What specific molecular factors determine the differentiation of embryonic stem cells into different cell types during development?Identify the two general functions of the proteins encoded bytumor-suppressor genes.Identify two genetic mechanisms whereby proto-oncogenes can become overexpressed. Select the two mechanisms. Identify two genetic mechanisms whereby proto-oncogenes can become overexpressed.Select the two mechanisms. 1) alterations in chromatin structure 2) a gain-of-function alteration 3)modification of proto-oncogenes products 4)mutations that result in an abnormal protein product 5)mutations within gene-regulatory regions
- The BMP-Nodal gradient so vital to amphibian and fish development may be critically important in other vertebrates (including humans) as well. Moreover, can any field of pluripotent cells (such as human embryonic stem cells)respond to gradients of BMP and Nodal signals?What are some of the ethical issues that arise from using embryonic stem cells?(b) To avoid these issues, scientists use IPSCs. What are the pros and cons to using iPSCs inrelation to embryonic stem cells?| What role does the synaptonemal complex play? How is this complex different from cohesins?