Which of the following can be used to answers the question of when and where a protein is produced during development? Electroporation Gene knock-out Immunohistochemistry O Dominant-negative construct Morpholino
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- The gene provides instructions for making a protein called polycystin-2 Group of answer choices PKD2 PKDH1 PKD1 All choices are correct"once cells have differentiated to their final specialized forms, they never again alter expression of their genes" is true or false.Which of the following gene modifications is NOT prohibited? Somatic cell modification of a Cornea based stem cell Gene modification of fetal cell for trait modification Placental stem cell modification for generation new cell specialization Stem cell gene modification for culture of organ cells
- Which of the following statements describing the mid-blastula transition is CORRECT? a. Cells increase expression of E-cadherin to enhance cell stability. b. Cell division increases to create the germ layers. c. Zygotic genes are activated by demethylation. d. Maternal and zygotic mRNAs provide proteins required prior to the MBT.Which of these variables is NOT ethically practiced when producing transgenic animals Sperm-mediated gene transfer Microinjection Retroviral vector Artificial embryo twinning Transfection of embryonic stem cellswhich sample below cannot be used for cytogenetic preparation and why? peripheral blood all can be used cancer biopsy bone marrow
- A person has two non-functional copies of the BLM gene. What disease is she likely to suffer from? What are some symptoms of the disease? What is the location of this gene in Human genome? What is the inheritance pattern of this disease?Which of the following is not correct for the cytogenetic techniques? Samples can be taken in non-sterile conditions Culture time varies according to the type of tissue In GTG banding technique, chromosomes are treated with trypsin to denature proteins G-Banding is the most used banding type PLEASE ASAP I WILL RATEDescribe an example of a pathological condition that results in mutants genes that control expression of the inducer or components of its pathway. Inducing Factor Signal Transduction Pathway and Components Developmental Functions and Target Cell/Tissue Associated Pathologies TGF-B FGF Hedgehog EGF
- The required association of two α-globin molecules and two β-globin molecules to make a functionally active hemoglobin molecule is an example of translational control. post-transcriptional control. post-translational control. chromatin control. transcriptional control.Monoclonal antibodies are produced by immunizing a mouse with a particular antigen, then removing its spleen. Individual B cells producing mouse antibodies specific for the antigen are isolated from the spleen, then fused with cancer cells. Each of the resulting hybrid cells can be cloned, which means it can be cultured indefinitely in the laboratory. The resulting cell lines produce and secrete antibodies that recognize the antigen to which the mouse was immunized. These antibodies are called monoclonal antibodies. Some monoclonal antibodies are used for passive immunization. They are effective, but only in the immediate term. Antibodies that are produced by one’s own immune system can last up to about six months in the bloodstream, but those delivered in passive immunization often last for less than a week. Why the difference?Oocytes contain inactivated ______ that become activated soon fertilization. The mechanism that regulates this activation is ___________. Select one: a. proteins, poly-acetylation b. proteins,poly-adenylation c. mRNA, poly-acetylation d. mRNA-poly-adenylation e. egg cells, poly-acetyation
