The Following are parts of sperm cell, what their importance in fertilization? A. Acrosomal Vesicle B. Nucleus C. Mid piece D. Mitochondrion E. Plama membrane F. Tail
Q: In humans genital organs, one of the Following is not true? O a. One of the functions of the testis…
A: Human genital organs are also known as sex organs.
Q: In humans, gametogenesis results in the formation ofa. diploid egg and sperm cells.b.…
A: As we know all living organisms are made of basic unit of structure and function called as cell.…
Q: If an egg cell were treated with EDTA, a chemical that bindscalcium and magnesium ions,(A) the…
A: EDTA - Ethelene diamine tetra acetic acid is a chelating agent and is very effective chelator of…
Q: The diagram below represents a yeast cell that is in the process of budding, a form of asexual…
A: Reproduction is a process which leads to produce the offspring in next generation.
Q: Choose the best of the following The fusion of a sperm and an egg cell initally produces which of…
A: Process of reproduction in human beings is very complex and interesting. It includes various…
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: 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: External fertilization occurs in which type of environment? a. aquatic b. forested c. savanna d.…
A: “External Fertilization” is a process of reproduction in which the “male gamete” (sperm) and the…
Q: Mammal ovary 1. pointed follicle type? 2. pointed cell? 3. cell origin of #2? 4. cell derivative of…
A: Introduction: In humans, ovaries are primary reproductive structures in females. They occur in pair…
Q: Internal fertilizationa. can prevent the drying out of gametes and zygotes.b. must take place on…
A: The process in which haploid gametes (egg and sperm) fused to form diploid zygote is called…
Q: Which of the following statements are false? A) An oocyte completes meiosis after a sperm…
A: A) By rapidly progressing from metaphase II to telophase II, sperm entry into the egg causes the…
Q: Movement of spermatozoa through this component of the male reproductive pathway (6) occurs during…
A: The male reproductive system is located in the pelvic region. It include a pair of testes along with…
Q: Which of the following is a gamete? Group of answer choices A. muscle cell B. red blood cell C.…
A: Gametes are germ cells produced from male as well as from female. They are haploid cells. The fuse…
Q: The main function of the acrosome reaction is to (a) activate the egg (b) improve sperm motility (c)…
A: Answer is d.)facilitate the penetration of egg coverings by the sperm.
Q: 1. If there are around 200M point spermatozoa in the seminal fluid, estimate how many spermatocytes…
A: Spermatocytogenesis is the initial stage of spermatogenesis, which occurs in the male gonad of…
Q: One of the roles of follicle-stimulating hormones(FSH) in the female reproductive system is…
A: The follicle stimulating hormone is secreted from the pituitary gland when the hypothalamus released…
Q: With a line diagram trace the route of the sperm from the its point of production to the point in…
A: The fertilization is the process that involves the fusion of male gamete with the female gamete. The…
Q: How do you expect Kartagener syndrome leads to infertility? A. The lack of a plasma membrane means…
A: Primary ciliary dyskinesia(PCD) is a rare autosomal Recessive genetic disorder. PCD is a genetically…
Q: With a line diagram,trace the roots of the sperm from it's point of production to the point in…
A: The primary sex organs - testis in males and ovaries in females produce gametes i.e. sperms and ovum…
Q: Somites a. begin forming at the tail end of the embryo and then move forward in a wavelike…
A: Introduction: Somites can be defined as the longitudinal series among other series of blocklike…
Q: Some plants, like corn, produce two types on flowers in the same individual: one type of has male…
A: Main function of flower is reproduction of species.All flowering plants are heterosporous which…
Q: In humans, the development of fertilised egg takes place in the: (a) ovary (b) testis (c) oviduct…
A: Fertilization in humans refers to the fusion of human sperm and egg. This process occurs in the…
Q: Spermatogoniaa. are haploid germ cells.b. are mature haploid cells.c. are male gametes. d. have…
A: Answer is option e
Q: Opposite the micropylar end, is the__________, representing the basal partof the ovule.A. hilum B.…
A: The ovule is the female reproductive cells. In plants, the ovule consist of three parts namely the…
Q: Please answer fast Sexual reproduction is a way to create genetic variation in the offspring.a.…
A: The procedure of forming new cells from parent cells is known as cellular reproduction. This…
Q: Choose the most accurate statement for spermatogenesis and oogenesis. Pilih kenyataan yang paling…
A: The primary sex organs - the testis in the males and the ovaries in the females produce gametes, i.e…
Q: In general, mammalian sperm are viable even if they are aneuploid, but pollen grains (a.k.a. “plant…
A: Sperm is the microscopic, elongated haploid motile male gamete or also called as paternal gemate.…
Q: What type of cell is observed using the onion root tip? b. Between Mitosis and Meiosis, what type do…
A: Cell division is an important process that helps to keep the cells growing in number. This enables…
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: The cortical reaction of sea urchin eggs functionsdirectly in(A) the formation of a fertilization…
A: Sea urchins are the globular animals that belong to the class Echinoidea. They come under the…
Q: Which of the following is not true about neurulation? Choose all possible answers. a. Segregation…
A: The brain is a complex organ that controls the thought, memory, emotion, touch, motor skills,…
Q: Spermatogenesis and oogenesis both involve meiosis but differ in significant ways. One of those…
A: The procedure, incidence, and product production after gametogenesis are all key differences between…
Q: In animals, meiosis of germ cells produces gametes. Some plant cells also undergo meiosis, but the…
A: Plants reproduce sexually, they use meiosis to produce haploid cells that have half of the genetic…
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: an egg cell were treated with EDTA, a chemical that binds to calcium ions: The acrosomal reaction…
A: Physiologically, the acrosomal reaction requires presence of calcium ions for the reaction to…
Q: One ml of seminal fluid is estimated point to have 259M of spermatozoa, how many spermatids…
A:
Q: a. development of organs
A: 1. Development of organs
Q: You are studying reproduction in starfish (also known as sea stars). You are able to successfully…
A: Sexual reproduction is the process in which the male and female gametes fuse together to form a…
Q: Which statement about human reproduction is false?(A) Fertilization occurs in the oviduct.(B)…
A: Oogenesis In oogenesis, diploid oogonium (2n) go through mitosis until one develops into a primary…
Q: 1. This type of fertilization happens when the sperm is introduced inside the female body through…
A: Fertilization It is defined as the process of the fusion of sperm with the egg. The fusion results…
Q: What is a likely evolutionary advantage of sexual reproduction over asexual reproduction? a. Sexual…
A: Reproduction is the production of more of their own kinds by living organisms.
Q: 1. How many spermatids are formed from 10 spermatogonium B? a. 20 b. 40 c. 80 d. 160 2. Oogenic…
A: Spermatids These are haploid cells that are produced through the second division of a spermatocyte.…
Q: observe that your drug-treated embryo is than an untreated control fertilized at the same time
A: Mitosis is a type of cell division which take place in body cells. Mitosis is a way of making more…
Q: 4. The diagram below represents a cross section of a part of the human female reproductive system.…
A: Fertilization occurs in the fallopian tube, which connects an ovary to the uterus. An embryo begins…
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: Forms the muscles A. Prostate gland B. Mesoderm C. The inner cell mass D.…
A: Developmental biology is the branch of biology in which the development of the organisms from the…
Q: A: Why do sea urchins have external fertilization? [Discuss the life style of the developing sea…
A: Introduction: We’ll answer the first question since the exact one wasn’t specified. Please submit a…
Step by step
Solved in 2 steps
- Figure 18.17 Which of the following statements about hormone regulation of the female reproductive cycle is false? a. LH and FSH are produced in the pituitary, and estrogen and progesterone are produced in the ovaries. b. Estradiol and progesterone secreted from the corpus luteum cause the endometrium to thicken. c. Both progesterone and estrogen are produced by the follicles. d. Secretion of GnRH by the hypothalamus is inhibited by low levels of estrogen but stimulated by high levels of estrogen.Which of the following does NOT aid the sperm in fertilization? * Increased mitochondria Cytoplasmic bridge Acrosomes Flagellum development Hyaluronidase & proteasePart 2: The diagram below shows the main components of the female reproductive system. A Figure.2 Female Reproductive System B a) Name components A to E. Component Name A B C Component Uterus b) Relate the structure of the following components shown in Figure.2 to the biological function they provide: Biological Function Ovaries Fallopian Tube E Component Name D E Structural Feature(s)
- Part 1: The diagram below shows the main components of the male reproductive system. A B a) Name components A to F. Component Name A B C Figure. 1 Male Reproductive System Component Testis Vas Deferens Epididymis b) Relate the ture of the following components shown in Figure. 1 to the biological function they provide: Biological Function F Component Name D E F Structural Feature(s) Dwhich of the following does not aid the sperm in fertilization? a. hyaluronidase & protease b. flagellum development c. increase mitochondria d. acrosomes e. cytoplasmic bridgeMatch the reproductive organ to its function (job). eggs are made here A. endometrium vwhere the embryo implants to grow a placenta near the many blood vessels B. ovaries v stores sperm C. cervix v adds sugar to semen to power sperms' movement D. vagina Vsqueezes to hold baby in until birth E. uterus v makes sperm F seminiferous tubules contracts to move sperm through male reproductive tract G. prostate gland vwhere fetus develops and contracts to birth baby H. vas deferens v adds a basic/alkaline solution to semen to neutralize acidic vagina 1 epididymis passageway for penis during sexual intercourse, menstrual flow out of body and birth of baby J. seminal vesicles
- Which of the following is NOT true regarding spermatogenesis? Initial spermatozoa formed are not mobile and cannot fertilize. Spematogonia have diplold chromosome. Spematocyte undergoes two rounds of division to produce 4 diploid sperm Some of the spermatogonia become reservoir cells Spematogonia breaks away from the basement membrane to develop Into sperm.Draw or sketch a diagram of the internal structures of the ovary as how it would be seen under a microscope. In your hand drawn diagram label the following structures on the female reproductive system: -immature follicles -ovum -corpus albican -corpus luteum -follicleWhich of the following does NOT aid the sperm in fertilization? a. increased mitochondria b. flageullum development c. cytoplasmic bridge d. hyaluronidase and protease e. acrosomes
- State and explain 5 effects of tobacco smoking by a pregnant mother on the foetus development. (400 words) Identify and explain 5 disadvantages of In vitro fertilisation (IVF) as an intervention to have a baby. (400 words) Why is breast feeding in the first 3month of a baby very important? (200 words) Higher animals undergo sexual reproduction despite its complexity, why. Give 5 reasons. (400 words) Describe five changes that occur in a flower after fertilisation. (200 words)Check all the answers and answe the question that isn't answered. Which step triggers release of enzymes by the head of a sperm cell which helpdissolve the zona pellucida? Step C involving the Acrosome reaction. Which step forms the fertilization membrane which disallows multiple sperm cellsfrom entering the ovum? Step A including the membrane fusion as corticalgranules are released. In what step are pronuclei formed? Step D where the sperm's head contains thenucleus and must meet the pronucleus. At what step does the ovum complete meiosis?? Which step is the "official formation of a zygote? Step D (fusion of a nuclei).1 3. Enzymes are important during the process of fertilization. What would be the anticipated consequences if the level of acrosin was low or non-existent in the acrosome? 5. The Sperm would not be able to break through the protective coat on the egg (zona pellucida). meaning the sperm are unable to fertilize anegg 4. The morula contributes to a layer that becomes the embryo and to cells that become the placenta. What are the names of these structures? Illustrate and label these layers/structures. What is the name of the outer cell layer of the blastocyst and what does it give rise to? Does this layer contribute to the development of the embryo? 6. Explain the origins of the blastocyst cavity and what purpose does it serve? 7. Describe implantation of a blastocyst using simple, labeled diagrams.
