What activity during oocyte activation prevents penetration by additional sperm? Also, after a sperm finds the ovum, list and briefly describe three main steps that have to occur, between the sperm and the ovum, that would lead to the moment of conception.

Q: Hormonal birth control pills contain low doses of estrogen and progesterone.  Taking these pills…

A: FSH helps control the menstrual cycle and stimulates the growth of eggs in the ovaries.  LH triggers…

Q: List the four primary tissue types of the adult body and identify which of the three primary germ…

A: A tissue is defined as a group of cells which are having a similar structure and are organized to…

Q: How the Musculoskeletal systems are involved in puberty, reproduction, and pregnancy. What is the…

A: Your musculoskeletal system comprises bones, ligaments, muscles, tendons, and soft tissues. They…

Q: Placental tissue may consume as much as 80% of the glucose that moves from parental circulation into…

A: The placenta acts as a mediator between the parent and the fetus, allowing the transfer of essential…

Q: Name the plasma membrane outside the mature ovum.

A: Reproductive system in context to human beings consists of primary sex organs that are also known as…

Q: Internal genitalia like the vagina, uterus, and ovaries in females, and the testes, epididymis, and…

A: Disorder of sex development (DSD) is a phenomenon that occurs in several organisms in which slight…

Q: Describe a positive feedback mechanism that contributes to ovarian cycling. If the ovulated oocyte…

A: Ovulation is the process of releass of ovum in female due to peak level of luteinizing hormone,…

Q: Although the most effective forms of oral contraceptive for women contain estrogen and progestin,…

A: Birth control is critical for both men's and women's reproductive and general welfare. The clinician…

Q: Arrange the cytoplasmic rearrangement of the fertilized egg of the tunicate, Styela partita in…

A: Tunicate  It refers to a marine invertebrate animal that belongs to the member of the Tunicata…

Q: The correct order of the process that occurs when a sperm encounters an egg is the Osperm reaches…

A: Introduction:The process of fertilization, where a sperm encounters an egg, is a complex and…

Q: Define senescence.

A: Aging is defined as the degenerative changes that occur in all organisms without any reference to…

Q: Explain why there is a high level of estrogen and progesterone once in every 28-day uterine cycle of…

A: Menstruation is a complicated mechanism that occurs in every female for about 28 days after puberty.…

Q: define organogenesis and indicate the important roles of the three primary germ layers in this…

A: Gastrulation is the process of early embryonic development where blastula transforms to form three…

Q: Describe TWO positive feedback loops that are part of parturition and/or lactation.  For each…

A: There are two mechanisms that operates in the body: Positive feedback and negative feedback.…

Q: Explain how breast milk is formed in the mammary glands and the physiology of breast milk

A: Breasts begin to develop at puberty. This development is stimulated by various hormones of the…

Q: Watch this series of videos (http://openstaxcollege.org/l/oocyte) to look at the movement of the…

A: The female reproductive system consists of internal organs and external genital structures. The…

Q: Describe the process of Oogenesis all the way to the Graafian follicle and secondary oocyte. Include…

A: Introduction: Oogenesis is the process by which female gametes mature by meiotic division. Oogenesis…

Q: Name and describe each of the three stages of prenatal development. Then go on to explain the…

A: Fertilization is the mechanism through which the haploid gametes fuse to form a diploid cell. The…

Q: Describe oogenesis and follicular development

A: The process through which organisms produce other creatures that are similar to themselves is known…

Q: When the fetus is fully developed and takes up the maximum amount of space in the uterus, the…

A: : Detailed explanation:a) Fetal delivery is an example of which type of feedback loop?Fetal delivery…

Q: Darcy and Raul are having difficulty conceiving a child. Darcy ovulates every 28 days, and Raul’s…

A: The fusion of the haploid gametes sperm and Egg is defined as the fertilization. This fertilization…

Q: Explain the relationship of the following pairs of terms. Briefly explain its relations 1.) Positive…

A: Hormones are produced by a system of glands that make up your endocrine system. Internal functions…

Q: Gross Anatomy of the Human Male and Female Reproductive System a) Assume that a couple has just…

A: The testis is the primary sex organ in males.  The ovaries are the primary sex organ in females.

Q: Describe the role of pregnancy hormones during human pregnancy. What hormones prepare the mammary…

A: Several hormones are secreted from the placenta to maintain the pregnancy and to prepare the body…

Q: The production of the male gamete called sperm v occurs in the seminiferous tubules v located within…

A: The reproductive system is a vital body organ and gland system comprised of reproductive organs and…

Q: types hormones estrogen and progesterone. One outcome of taking birth control is prevention of…

A: Birth control can be defined as any method or device used to prevent pregnancy. It is also known as…

Q: What barriers must a sperm cross in order to fuse with the egg? How does the sperm accomplish this…

A: The union of two haploid gametes, the spermatozoa and the oocyte, hereafter referred to as the egg,…

Q: Trace the pathway taken by the oocyte from its release from the ovary to its implantation site in…

A: Ovary is the female reproductive system. Its diploid cells are called oogonia that undergoes meiosis…

Q: Identify the structures of an egg and a sperm that aredirectly involved in fertilization.

A: Fertilization is that the method by that the male and also the female gametes (sperms and therefore…

Q: non-pregnant female's uterus shed its lining (the outer endometrial layer) every 4 weeks and then…

A: Pregnancy induces physiological changes in body functions to nurture the growth and development in…

Q: Describe in detail the process of spermatogenesis including cells involved and time length.

A: The process of formation of the sperms (male gametes) is referred to as spermatogenesis. The process…

Q: OPU can be done in cows every 3-4 days to obtain oocytes/eggs in the absence of ovarian…

A: Ovum pick up (OPU) is the interaction by which oocytes (egg cells) are suctioned from the follicles…

Q: Complete the table attached by denoting whether each anatomical or chemical feature is a stimulus,…

A: Detailed explanation:Oxytocin Receptor (Receptor):Function: The oxytocin receptors are located on…

Q: Identify the stem cells found in ovaries of a female embryo/fetus

A: Stem cells are the cells that are special human cells able to develop into many different cell…

Q: Explain how the three germ layers are involved in forming the extraembryonic membranes, and discuss…

A: Embryonic development is also known as embryogenesis, is the development of an embryo and its…

Q: Nursing During creating male contraceptives, what steps in fertilization might be possible to block…

A: The male sterilization procedure is called a vasectomy. This is an outpatient procedure that takes…