the barrier seperates the spermatocytes dividing by meiosis from exposing their unique antigens to the immune system. a. blood-brain barrier b. blood-testes barrier c. blood-vas deferens barrier

Q: Which of these functions explains the role of hormones in the reproductive systems? A. Influence…

A: “Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Which of the following situations is the result of epistasis? a A mouse has black fur, black eyes,…

A: All the organisms have a hereditary currency. This currency is the gene. Genes are present in the…

Q: Which structure contains a primary oocyte, several layers of granulosa cells, and an antrum? a.…

A: The egg cell or the oocyte is produced inside the ovaries. The ovaries are small, almond-shaped…

Q: In males, meiosis is called spermatogenesis and it happens in the ___________ and makes…

A: Reproduction is the phenomenon of the production of new individuals from their parents. It involves…

Q: Which hormone stimulates the development of acini at the ends of the duct? a. estrogen b.…

A: The endocrine system is a network of glands in the body that make the hormones that help in the…

Q: Suppose, in an experiment, that you incubate isolated rat testes with hCG. What would be the effect,…

A: Human chorionic gonadotrophin (hCG) is defined as a hormone secreted or released during pregnancy by…

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: What is the relationship between a primary spermatocyteand a spermatogonium?a. They are genetically…

A: Sexually reproducing organisms have a reproductive system consisting of primary sex organs called…

Q: Which syndrome can affect the gonad?  a. Turner Syndrome b. Klinefelter Syndrome c. Both d.…

A: INTRODUCTION Turner syndrome Turner syndrome is the syndrome that affect gonad. This syndrome is…

Q: After a woman gives birth, what happens to her levels of estrogen, progesterone, and prolactin? a.…

A: The main hormones which are released during pregnancy are estrogen and progesterone. The other…

Q: Which of the following is not a possible result of STDs?a. deathb. cervical cancerc. PIDd. breast…

A: A disease is an abnormal condition of the body that negatively affects the structure or function of…

Q: What gives sperm the energy to travel inside the vagina? a. the acrosome b. prostaglandins c.…

A: The "male reproductive system" is made up of external and internal organs. The reproductive system…

Q: Should young women collect and freeze oocytes for use later in life when they want to have children?…

A: The female reproductive system performed diverse functions. It produces an ovum also known as an…

Q: The duration of the ovarian cycle is? Select one: a. 10 days b. 28 days c. 30 days d. 3-5 days e. 7…

A: Ovarian cycle is the series of changes that occur to the ovary. Ovarian cycle is the cycle of the…

Q: Which type of short term contraceptive method is generally more effective than others? a. barrier b.…

A: Contraceptive method - Contraceptive methods are those methods which are basically used to control…

Q: The blood testis barrier is to newly formed sperm cells as the blood thymus barrier is to  a. T…

A: The blood-testis barrier is a physical barrier. It is formed by tight junctions between Sertoli…

Q: The zona fasciculata thickens significantly in pregnant women. What do you think would be the…

A: Adrenal glands are the type of endocrine glands which are located above the kidneys. They are…

Q: A baby born with ovaries will already have all of the eggs cells their body will ever make.…

A: The ovaries are two little organs situated in the female pelvis that are around the size of a human…

Q: Which of the following statements is incorrect?a. The placenta secretes hormones such as…

A: The placenta is a temporary organ that is formed in the uterus during pregnancy. The umbilical cord…

Q: Males with a low sperm count have a condition knownas (oligospermia, aspermia).

A: The seminal fluid that is produced in the males of most species contains millions of sperms. This is…

Q: What is the role of the SRY gene on the Y chromosome? a. Production of Mullerian hormone proteins b.…

A:

Q: It is the hormone that releases progesterone a. estrogen b. luteinizing c. progesterone d.…

A: Hormones are the messengers that are secreted by various glands of the body and transport through…

Q: Which of the following statements correctly identifies the differences between spermicidal jelly and…

A: Spermatid jelly and condom both are over the counter birth-control measures that prevent sperm from…

Q: Endometriosis is a disorder in which endometrial cells implant and proliferate outside of the…

A: Endometriosis is a disorder in which tissue similar to the tissue that forms the lining of your…

Q: Which of the following is reported using a neoplasm code?

A: ICD 10 contains the neoplasm coding C00-D49,  which helps to determine the type of cancer such as,…

Q: Which statement is NOT true regarding alcohol consumption during pregnancy?

A: There is no safe time to use alcohol during pregnancy. Alcohol can cause problems for the baby…

Q: 48-72 hours after birth, the breasts produce ________, a substance rich in protein and…

A: Pregnancy is the period in which the fertilized egg develops into a baby inside the womb of the…

Q: What condition occurs if a male lacks the receptor that enables androgens to activate genes in a…

A: Answer- There are many genetic disorders that occur due to lack of receptor proteins of a specific…

Q: Layer A Layer B Layer C

A: Layer A is called ectoderm and nervous system develops from this layer .

Q: igment in bottom layer? A. melatonin B. melanin C. mesoderm D. ectoderm

A: Biological pigments are chemical substances that produce color in living organisms, like plant…

Q: The stimulus for menstruation or bleeding is mainly due to A. The drop in progesterone levels B. The…

A: Menstruation is the monthly shedding of the lining of a woman's uterus. It is also known as menses ,…

Q: During cleavage, the mass of cells: a. increases b. decreases c. doubles with every cell division d.…

A: The development of a human embryo is called embryogenesis, which starts with the fertilization of an…

Q: Why is having an open ductus arteriosus a problem after the baby is born?

A: Ductus arteriosus is a blood vessel that connects pulmonary artery to aorta. Its function is to…

Q: What does the combination pill for birth control contain? A. Estradiol and testosterone B.…

A: Combination or combined birth control pills contains both estradiol and progesterone

Q: Compare and contrast the blood–brain barrier to the blood–testis barrier. Discuss with the students…

A: Introduction :- In our body , blood vessels delivers oxygen and nutrients to all of the tissues and…

Q: Which is/are true concerning chromosomal sex determination?   a. Anyone born with two x…

A: In sexual reproduction, the fertilization of gametes results in zygote formation. The sex…