The placenta is your unborn baby's life support system and plays a key role in its development. Answer the following questions: Describe the functions performed by the placenta for the developing embryo, and in each case, explain the mechanism that allows it to perform such function. Recent studies suggest that the placenta is also an immunological organ. Explore current research literature and discuss mechanisms used by the placenta  to block the mother’s immune response against the developing fetus.

Q: What are morphogens, exactly? Explain how they affect the patterning of tissue throughout embryonic…

A: Pattern formation is a development process by which the cells acquired different identities…

Q: During pregnancy, how does malnutrition during critical periods of development affect the fetus?…

A: Nutrients are important for growth, development, and sustaining life. Based on their requirement…

Q: In the recent past, the placenta, which is delivered after the birth of a fetus, was discarded as…

A: Recent research ahs revealed that placental steroids play important role in regulation of Treg cell…

Q: From what germ layers are face and mouth formed? Describe this germ layers

A: The germ layers are the embryonic group of cells that help in the development and formation of…

Q: Why are children less likely to develop carcinomas?

A: Numerous body organs work in a coordinated manner. An abnormal condition that hinders optimum body…

Q: With regard to primordial germ cells induction, explain how mammals are different from other…

A: The source of heritable genetic variation, are the germ cells. They produce the totipotent zygote…

Q: A woman gave birth to her baby at 26 weeks. Upon delivery, the doctor noticed that the baby showed…

A: Ans.1  Respiratory distress syndrome when there is not enough surfactant in the lung. Surfactant is…

Q: Early pregnancy tests used antibodies to detect the presence of human chorionic gonadotropin (hCG)…

A: The outermost membrane that surrounds the embryo is known as chorion. From the outer fold of the…

Q: Describe development during the germinal, embryological, and fetal periods. Also, explain what…

A: The prenatal development of baby is divided in 3 periods- Germinal period, embryonic period and…

Q: EXPLAIN HOW AND WHY WELL CONTROLLED MATERNALIMMUNE RESPONSES PLAY A POSITIVE PHYSIOLOGICAL ROLE IN…

A: Introduction: Pregnancy or gestation is the interval during which the baby develops and grows inside…

Q: A high fever can prevent neural tube closure. If a woman had ahigh fever approximately 35–45 days…

A: The health of the embryo depends largely on the health of the mother. Any problem with the health of…

Q: What are some characteristics of drugs that are able to cross into breast milk.

A: Breast milk is a natural bodily fluid produced by the mammary glands of female mammals, primarily…

Q: The development of ? by Jeffries led to the process of DNA fingerprinting. 1) restriction enzymes 2)…

A: Introduction :- DNA fingerprinting is one of the most important techniques that is being utilised to…

Q: Why does testing for hCG (human chorionic gonadotropin)work as a pregnancy test early in pregnancy…

A: The hCG refers to the Human chorionic gonadotropin is a hormone produced by surrounding cells of a…

Q: why don't the fetus' cells trigger an immune response in the mother and why doesn't the fetus' body…

A: Immunity is defined as the defense system of the body that involves a cascade of events that results…

Q: Some research suggests that babies delivered by cesarean section and not breastfed are more prone to…

A: According to one hypothesis, it was found that babies who are not breastfeed and mainly delivered by…

Q: The light-chain genes remain in the germline configuration. (Select all that apply.) Stem cell Early…

A: The V and J exons of an Ig light chain protein (Kappa or Lambda) encode the variable area, whereas…

Q: As a vegan, Ada was careful to take vitamin B12 supplements but didn't take folic acid supplements…

A: There are various vitamins, out which most important are vitamin B complexes. Folic acid is also one…

Q: Lactation is more than just a source of nutrition for the newly born offspring. How is milk…

A:

Q: At-home pregnancy tests check for the presence of HCG in a female’s urine. Where does HCG come from?…

A: HCG stands for Human chorionic gonadotropin. It is a type of hormone which is produced in the body…

Q: If an EMT-inhibiting drug was able to cross the placental barrier, what do you expect would happen…

A: One of the biggest causes of death among people is cancer. Although cancer science has made…

Q: explain the most likely steps of what might happen inside a healthy mammary gland epithelial cell…

A: UV light, or ultraviolet light, is a type of electromagnetic radiation with a wavelength that is…

Q: explain the steps of what might happen inside a healthy mammary gland epithelial cell after it is…

A: UV light, or ultraviolet light, is a type of electromagnetic radiation with a wavelength that is…

Q: Caging Materials Total Number of Oocytes Abnormalities Control: New cages with glass bottles 271 5…

A: To find What percentage of the oocytes of mice only exposed to damaged water bottles develop…

Q: A. Answer the following questions briefly (3-5 sentences only). 1. How are the three axes for…

A: Symmetry in biology refers to the balance and arrangement of body parts or features in an organism.…

Q: Explain SPIKES ? b. What are the steps of gaining an informed consent?

A: Patient-centered care has changed the face of healthcare delivery for good. Healthcare professionals…

Q: A child 6 years old was recruited for a research process involving medical treatment. Who will…

A: Research is a process of systematic investigation. This involves identifying the new ideas,…

Q: In 2 paragraphs, explain how and why well-controlled maternal immune responses play a positive…

A: Well-controlled maternal immune responses play a positive physiological role in fetal immune and…

Q: XL 10 Gold cells and Express I^q cells. Give three differences between their genotypes and how each…

A: The XL10-Gold ultracompetent cells were designed for cloning large plasmids and ligated DNA with the…

Q: The __________ arteries are the blood vessels of the heart, responsible for nutrient and O2…

A: According to the question, we have to explain and fill up the blanks as given above. So, let us have…

Q: What were Sandy's signs and symptoms? Baby Kayla showed minimal responsiveness on neonatal tests…

A: 1) Sandy's signs and symptoms are: Fever Nausea Abdominal pain 1) How to describe this infection:…

Q: why should a nursing student know the prevalence of premature rupture of membranes in adolescent…

A: Amniotic fluid refers to a substance that usually cushion and protect the baby and which surrounds…

Q: List a number of teratogens and how they impact prenatal development. Provide examples such as…

A: Teratogen is a substance that lead to birth defects in an embryo or fetus. As a baby grow in the…

Q: What is the trophoblast? What are three ways it prevents an immune response?

A: The immune response is a sophisticated process that the body employs to identify and protect itself…

Q: Describe the difference between Amniocentesis and Chorionic villus sampling. Can both be done at the…

A: Amniocentesis and Chorionic villus sampling are tests that are carried out during pregnancy to…

Q: I. A 29-year-old woman (gravida 3, para 2) gave birth to a healthy baby after 38 weeks of gestation…

A: The correct answer is d. The chorionic villi, or foetal tissues, illustrated in the photomicrograph…

Q: when a woman is injected with an egg fertilized in vitro, the probability of its implanting is 20…

A: Implantation The process of attachment of embryo with uterus is known as implantation.

Q: Which of the following can be used to answers the question of when and where a protein is produced…

A: Protein synthesis takes place in ribosomes by the process of translation. Proteins are the polymers…

Q: List 3 intra- partum and 3 anti-partum risk factors. Then explain why each poses a risk to the baby.

A: Intra-partum risk factors refer to conditions or factors that occur during labor and delivery, which…

Q: Discuss the role adhesion proteins play in the formation of the neural system, neural crest cells,…

A: Introduction: During embryonic development, the formation of the neural system is a complex process…

Q: Explain how and why well-controlled maternal immune responses play a positive physiological role in…

A: The relationship between mother and fetus has fascinated immunology for decades.