Which of the following statement does NOT describe the event that occurs if the ovum is not fertilized? Select one: A. Progesterone maintains the endometrium for the zygote. B. Low level of progesterone results in menstruation. C. The corpus luteum degenerates and stops producing estrogen and progesterone. D. GnRH, FSH, and LH levels begin to increase.

Q: Which of the following correctly identifies the hormones that trigger ovulation and the hormone that…

A: Hormones are chemical substances produced by our body's endocrine system, which releases the…

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 is NOT true of the female reproductive cycle? a. The entire cycle is 28 days…

A: Female reproductive cycle occurs in every woman as they attain puberty ranging from 12years to so on…

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: If human fetus were exposed to very low levels of both testosterone and estrogen during prenatal…

A: People with both male and female anatomy and mixed characteristics are called as intersexes. The…

Q: Which of the following statements about hormone regulation of the female reproductive cycle is…

A: The endocrinological control in females is very complex. The anterior pituitary releases the…

Q: Which list is the correct order that sperm must pass through to get to egg?

A: Hyperactivation is an important step  to pass this form through get through the egg. Then the…

Q: In a menstrual cycle that does not result in pregnancy,a. LH stimulates follicle development early…

A: A menstrual cycle is a period divided into four different phases : Follicular, Ovulatory and Luteal…

Q: Which of the following statements accurately describes the pathogenesis of polycystic ovarian…

A: PCOS is the polycystic ovarian syndrome which is recognized by the multiple ovarian cysts which are…

Q: The beginning of brain and spinal cord formation is termeda. cephalocaudal folding.b.…

A: Gastrulation process is characterized by formation of three primary germ layers, they are ectoderm,…

Q: A)Identify two differences (either structures or functions) between gills and lungs in terms of how…

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

Q: What would happen if the trophoblast did not secrete hCG upon implantation of the blastocyst? a. The…

A: Implantation is the process that signals that the pre-embryonic development stage is completed. This…

Q: In positive mechanism, which of the following will happen if there is an increase production of…

A: Menstrual cycle It refers to the monthly cycle of alterations taking place in the ovaries and the…

Q: Which of the following statements about oocytes and ovulation is correct? a. The production of…

A: Formation of ovum is known as ovulation

Q: Which of the following situation leads to decreased fertility? Select one: A. Hepatitis B…

A: Fertility refers to the ability of individuals undergoing fertilization to conceive a child. Many…

Q: which of the following statement is NOT about follicle-stimulating hormones (FSH) in the male…

A: Follicle-stimulating hormones (FSH) stimulates growth of testes and also intensify the production of…

Q: During the menstrual cycle, the degradation of the corpus luteum causes what? A) The decrease of…

A: The menstrual cycle is the regular change that takes place in the female reproductive system and is…

Q: Scientists hypothesize that stress decreases both the production and release of progesterone.…

A: Ans: The emotional as well as physical tension leads to stress. It is the action of body to…

Q: Which of the following statements about Sertoli cells is CORRECT? Select one: a. They are found…

A: The reproductive system consists of two system namely male reproductive system and female…

Q: In what part of the reproductive tract the following events take place? a) b) Ovulation Oogenesis c)…

A: The female reproductive system consists of a pair of ovaries along with a pair of oviduct, uterus,…

Q: Which of the following statements does NOT correctly describe the role of inhibin in the male…

A: Introduction :- The biological system made up of all the anatomical organs involved in sexual…

Q: The myometrium is the muscular layer of the uterus, and the endometrium is the (a) serosa, (b)…

A: The uterus is the pear-shaped organ that belongs to the female reproductive system, and is located…

Q: You can use the image below as a support Describe the hormonal interactions and changes that occur…

A: Follicular phase is the preovulatory phase  in which the maturation of ovarian follicles occurs and…

Q: Why are the testes located outside of the body of organisms?

A: Testes is an organ that produces sperms. In human males, testes are oval in shape.

Q: Which of the following statements about the male reproductive system is false? a. The vas deferens…

A: The male reproductive system consists of the reproductive organs that are present inside and outside…

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: The hormones in combined estrogen-progestin birth control pills prevent pregnancy primarily by…

A: For fertilization menstrual cycle is very important because it helps in the release of ova or egg…

Q: Spermatophores are specialized packets held together by glands that A. play a role in influencing…

A: Introduction : 1) Accessory glands of both the male and female reproductive system aid in the…

Q: Fill in the following table with the words from the list below.   ovary | B. oviducts | C. vagina…

A: The internal and exterior sex organs that act in the generation of new children make up the female…

Q: Why does the estrogen released at the follicular phase inhibit FSH levels by a negative feedback…

A: FSH and LH are gonadotropin hormones which are secreted from the anterior pituitary. They play major…

Q: Which of the following statements about the Female Reproductive System is TRUE? Select one: A)…

A: Female reproductive system of vertebrate usually contains paired Ovary, Oviduct, common Oviduct and…

Q: Which of the following statements is not true about the placenta?  A. It provides exchange of wastes…

A: During pregnancy, inside the uterus, the organ placenta develops. It is found attached to the wall…

Q: Which of the following structure is controlling the rate of spermatogenesis? a.Sertoli cells…

A: Sertoli cells are a type of somatic cell. Leydig cells are responsible for the production of…

Q: Placenta is the structure formed: A. by the union of foetal and uterine tissue B. by foetus…

A: The uterus or womb is a hollow muscular organ which is located in the pelvis of female between the…

Q: Birth control pills commonly provide excess progesterone that serves to inhibit (suppress) the…

A: The major hormones involved in the Menstrual Cycle are: FSH: This hormone is responsible for the…

Q: Which row correctly identifies the function and a source of hCG, respectively? Select one:

A: Placenta is a structural and functional unit between developing embryo and maternal body .It is a…

Q: Which of the following statement does NOT describe the role of progesterone in the female…

A: Progesterone is a hormone which is secreted by the placenta. ovaries and adrenal gland. Sometimes…

Q: During the menstrual cycle, the DEGRADATION of the corpus luteum causes what?    1. The decrease of…

A: Pregnancy in women is greatly controlled by various hormones. The level of the hormone increase or…

Q: Which of the following correctly describes the results of andropause? Select one: A. Lower sperm…

A: In Greek “Andras” means human male and “pause” means cessation, thus “andropause” is described as a…

Q: Which of the following does NOT correctly describe the role of inhibin in the male reproductive…

A: The male reproductive system in humans consists of a series of ducts, glands, and organs that work…

Q: Does the male gonad secrete something that affects male differentiation? In this experiment, the…

A: The gonads, the first reproductive organs, are the testes within the male and therefore the ovaries…

Q: The birth starts thanks to increased ...

A: The correct option is B . Release of Oxytocin

Q: Which of the following causes bleeding (menstruation) during the menstrual cycle? a) Reduced…

A: Menstruation is the shedding of the lining of the uterus (endometrium) in the form of bleeding.  The…

Q: The cells indicated by the tip of the red arrow A) produce testosterone B) are the interstitial…

A: In the given section of slide showing various cells.

Q: Which of the following statement does NOT describe the role of luteinizing hormones (LH) in the…

A: Answer is B. Explanation: Luteinising hormone (LH) plays an important role in female sexual…

Q: According to biological theorists, what are the things that affect ejaculation ?

A: Ejaculation is the process of release of semen (containing sperm) from the penis. Sperm produced in…

Q: Describe the three manners in which fertilization of human ovum by sperm can be prevented?

A: In humans, sexual reproduction occurs by the process of fertilization of a haploid sperm with a…