BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Chapter 30, Problem 12WIO
Summary Introduction
To determine:
From the given pairs of phrases, if the first is greater than the second, if the second is greater than the first, or if the two are equal.
Introduction:
The success of reproduction is the key to natural selection. The reproductive system produces the sperm and egg cells that results in the next generation. Differentiation is the key to animal development. It is a process by which cells acquire their specialized functions by activating a unique combination of genes in the skin, brain, eyes, and other organs.
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Students have asked these similar questions
Which of the following rows correctly identifies the locations of fertilization and the development of the fertilized ovum?
Select one:
a.
Fertilization
Development of the fertilized ovum
Fallopian tube
Uterus
b.
Fertilization
Development of the fertilized ovum
Ovary
Uterus
c.
Fertilization
Development of the fertilized ovum
Fimbriae
Endometrium
d.
Fertilization
Development of the fertilized ovum
Uterus
Endometrium
Which of the following statements does NOT correctly describe the events following fertilization?
Select one:
a. Only the inner cell mass cells in a blastocyst are pluripotent.
b. The trophoblast has an important role in maintaining the pregnancy, as it prevents the endometrium from shedding.
c. As hCG takes over maintaining the endometrium immediately after implantation, the corpus luteum degenerates into the corpus albican.
d. All 16 cells in a morula are truly totipotent, meaning that they can become any cells in the human body.
How do tubal ligations and vasectomies prevent further pregnancies?
Select one:
a. The corpus luteum and the epididymis are suppressed using a chemical swab. The fertilized egg could no longer implant in the endometrium.
b. The Fallopian tubes and vas deferens are cut and tied off, thereby preventing the movement of the eggs and sperm.
c. The Fallopian tubes and the vas deferens are cut. Eggs and sperm can no longer be produced.
d. The Fallopian tube and vas deferens are cut and tied off, thereby reducing needed reproductive hormone levels.
Chapter 30 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 30.1 - Prob. 1MCCh. 30.1 - How is internal fertilization different from...Ch. 30.1 - Prob. 3MCCh. 30.1 - Prob. 4MCCh. 30.2 - What are the relationships among gonads, germ...Ch. 30.2 - Prob. 2MCCh. 30.2 - Prob. 3MCCh. 30.2 - Prob. 4MCCh. 30.2 - Prob. 5MCCh. 30.2 - Prob. 6MC
Ch. 30.3 - Prob. 1MCCh. 30.3 - Where do egg cells develop?Ch. 30.3 - What are the stages of oogenesis?Ch. 30.3 - Prob. 4MCCh. 30.3 - Prob. 5MCCh. 30.3 - Prob. 6MCCh. 30.4 - Describe how three birth control methods work.Ch. 30.4 - Prob. 2MCCh. 30.4 - Describe two reasons that a symptomless STI can be...Ch. 30.5 - Prob. 1MCCh. 30.5 - Prob. 2MCCh. 30.5 - Prob. 3MCCh. 30.5 - Prob. 4MCCh. 30.5 - Prob. 5MCCh. 30.5 - Prob. 6MCCh. 30.5 - Prob. 7MCCh. 30 - Unchanging environments are advantageous to...Ch. 30 - Prob. 2MCQCh. 30 - Prob. 3MCQCh. 30 - Prob. 4MCQCh. 30 - Prob. 5MCQCh. 30 - Prob. 6MCQCh. 30 - Prob. 7MCQCh. 30 - Prob. 8MCQCh. 30 - The umbilical cords function is to a. Transport...Ch. 30 - Prob. 10MCQCh. 30 - Prob. 1WIOCh. 30 - Prob. 2WIOCh. 30 - Prob. 3WIOCh. 30 - Prob. 4WIOCh. 30 - Prob. 5WIOCh. 30 - Prob. 6WIOCh. 30 - Prob. 7WIOCh. 30 - Prob. 8WIOCh. 30 - Prob. 9WIOCh. 30 - Prob. 10WIOCh. 30 - Prob. 11WIOCh. 30 - Prob. 12WIOCh. 30 - Prob. 13WIOCh. 30 - Prob. 14WIOCh. 30 - Prob. 15WIOCh. 30 - Prob. 16WIOCh. 30 - Prob. 17WIOCh. 30 - Some newborn mammals can walk and carry out other...Ch. 30 - Prob. 19WIOCh. 30 - Prob. 1SLCh. 30 - Review Why We Care 30.1 What kinds of studies and...Ch. 30 - Prob. 1PITCh. 30 - Prob. 2PITCh. 30 - Prob. 3PIT
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- In the fertility awareness method of birth control, a woman gauges her monthly fertile period by monitoring changes in the consistency of her vaginal mucus. What kind of information does such a method provide about the likelihood of getting pregnant?arrow_forwardWhich of the following statements correctly describes the development of the endometrium during the menstrual cycle? Select one: A. Estrogen causes accelerated development of the endometrium during the follicle stage and then maintains the thickness of the endometrium during the luteal stage. B. Progesterone causes the relatively slow development of the endometrium during the follicle stage and accelerates the thickening of the endometrium during the luteal stage. C. Estrogen causes the relatively fast thickening of the endometrium during the follicular stage. Progesterone maintains the thickness of the endometrium during the luteal phase. D. Estrogen causes the relatively slow development of the endometrium during the follicular stage. Progesterone causes accelerated thickening of the endometrium during the luteal phase.arrow_forwardWhich of the following statements correctly describes the development of the endometrium during the menstrual cycle? Select one: a. Estrogen causes the relatively fast thickening of the endometrium during the follicular stage. Progesterone maintains the thickness of the endometrium during the luteal phase. b. Progesterone causes the relatively slow development of the endometrium during the follicular stage and then accelerates the thickening of the endometrium during the luteal phase. c. Estrogen causes accelerated development of the endometrium during the follicular stage and then maintains the thickness of the endometrium during the luteal phase. d. Estrogen causes the relatively slow development of the endometrium during the follicular stage. Progesterone causes accelerated thickening of the endometrium during the luteal phase.arrow_forward
- Which of the following statements does NOT describe the events that occur if the ovum is not fertilized? Select one: a. The corpus luteum degenerates and stops producing estrogen and progesterone. b. GnRH, FSH, and LH levels begin to increase. c. Progesterone maintains the endometrium for the zygote. d. Low levels of progesterone result in menstruation.arrow_forwardA. There is an increase of FSH at the beginning of the menstrual cycle. What causes it? B. There is a surge in E2 level before the ovulation. What causes it? C. There is a decrease of FSH before the ovulation. What causes it? D. There is a surge of LH and FSH that induces the ovulation. What causes the surge? E. There is a decrease of LH and FSH after ovulation. What causes it? F. There is a decrease in E2 after ovulation. What causes it? G. There is an increase of E2 and P4 a few days after the ovulation. What causes it? H. There is a decrease of E3 and P4 at the end of menstrual cycle. What causes it?arrow_forwardWhich of the following embryological events is involved in the formation of the ovarian follicles? a. Development of a genital tubercle in the cranial and the cloacal membrane b. Differentiation of the endoderm of the urogenital sinus c. Formation of longitudinal invaginations along the lateral aspect of the mesonephros d. Innervation of the ovary by neural crest cells e. Migration of the primordial germ cells from the yolk sacarrow_forward
- Which is/are true concerning the general structure of female reproductive organs? a. the oviducts are found lateral to the uterus, along the pelvic brim b. the vagina is located posterior to the bladder and anterior to the rectum c. the distal opening of the oviduct is surrounded by the finger-like fimbriae, which serve to guide a recently ovulated ovum into the oviduct d. the cortex of the ovary contains the helicine arteryarrow_forwardWhich 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.arrow_forwardEvaluate the following statements and choose the incorrect ones: Granulosa cells secrete progesterone to form zona pellucida around the primary oocyte. I. II. Spermatogonia divide by mitosis to give two identical cells cells. One of these replenishes the spermatogonia. II. Sertoli cells affect the developing sperm. IV. Primordial germ cells colonise the cortex of the primordial gonad and replicate by mitosis. Statements Il and II Statements IV and II Statements I and III Statements II and Optionarrow_forward
- Which of the following statements about oocytes and ovulation is correct? a. The production of primary oocytes continues in women from the onset of puberty until the onset of menopause. b. Meiotic divisions are complete at the time of ovulation. c. At ovulation, the structure released from the follicle includes a secondary oocyte and polar body. d. All of these statements are correctarrow_forwardDuring the first trimester, hCG produced from the chorion maintains the corpus luteum. What is the purpose of maintaining the corpus luteum? Select one: a. The corpus luteum produces relaxin, which thickens the endometrium. b. The corpus luteum ensures that the endometrium does not break down during the first trimester. c. The corpus luteum supports the formation of the placenta. d. The chorion forms the fetal part of the placenta, and the corpus luteum supports the maternal part of the placenta.arrow_forwardSuperovulation is when women take hormones in order to release more eggs for fertilization. Which of the following rows contains hormones that are involved in developing the follicles and releasing them from the ovary, respectively? What could be the unintended consequence of this process? Select one: a. Hormone Unintended Consequence FSH and LH The formation of twins or multiple births b. Hormone Unintended Consequence FSH and LH A tubal ligation c. Hormone Unintended Consequence FSH and LH Scar tissue on the Fallopian tubes d. Hormone Unintended Consequence LH and FSH Ovarian Cancerarrow_forward
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