Tissue differentiation begins at which stage? a) zygote b) morula c) blastula d) gastrula

Tissue differentiation begins at which stage? a) zygote b) morula c) blastula d) gastrula
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ANSWER: D -- GASTRULA
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The blastula develops into the: a) gastrula b) morula c) endoderm d) zygote

Description : The blastula develops into the: a) gastrula b) morula c) endoderm d) zygote

Last Answer : ANSWER: A -- GASTRULA

Identify the human developmental stage shown as well as the related right place of its occurrence in a normal pregnant woman and select the right option for the two, together. Developmental Site of occurrence stage (a) Late morula – Middle part of Fallopian tube (b) Blastula – End part of Fallopian tube (c) Blastocyst – Uterine wall (d) 8-celled morula – Starting point of Fallopian tube

Description : Identify the human developmental stage shown as well as the related right place of its occurrence in a normal pregnant woman and select the right option for the two, together. Developmental Site of ... tube (c) Blastocyst - Uterine wall (d) 8-celled morula - Starting point of Fallopian tube

Last Answer : (c) Blastocyst – Uterine wall

The stage transferred into the uterus after induced fertilisation of ovum in the laboratory is (a) embryo at 4 blastomeres stage (b) embryo at 2 blastomeres stage (c) morula (d) zygote.

Description : The stage transferred into the uterus after induced fertilisation of ovum in the laboratory is (a) embryo at 4 blastomeres stage (b) embryo at 2 blastomeres stage (c) morula (d) zygote.

Last Answer : (c) morula

What is the correct observation regarding size of egg, blastula and gastrula

Description : What is the correct observation regarding size of egg, blastula and gastrula

Last Answer : What is the correct observation regarding size of egg, blastula and gastrula A. There is progressive ... while zygote and blastula are of same size.

The embryonated egg of Ascaris represents (a) an egg with blastula (b) an egg with a juvenile (c) an egg with an egg (d) an egg with gastrula.

Description : The embryonated egg of Ascaris represents (a) an egg with blastula (b) an egg with a juvenile (c) an egg with an egg (d) an egg with gastrula.

Last Answer : (b) an egg with a juvenile

A morula can be differentiated from blastula in

Description : A morula can be differentiated from blastula in

Last Answer : A morula can be differentiated from blastula in A. Presence of cavity B. Presence of more yolk C. Presence of yolk D. Absence of cavity.

DIFFERENTIATE BETWEEN MORULA AND BLASTULA STAGES OF MAMMALIAN EMBRYO.

Description : DIFFERENTIATE BETWEEN MORULA AND BLASTULA STAGES OF MAMMALIAN EMBRYO.

Last Answer : ANS. MORULA: (i) 8 TO 16 CELLED STAGE EMBRYO (ii) SOLID WITHOUT ANY CAVITY BLASTULA: (i) 32 CELLED STAGE EMBRYO. (ii) HOLLOW WITH A CAVITY CALLED BLASTOCOEL

Draw a diagrammatic sectional view of human ovary showing different stages of oogenesis along with corpus luteum. (ii) Where is morula formed in human? Explain the process of its development from zygote. -Biology

Description : Draw a diagrammatic sectional view of human ovary showing different stages of oogenesis along with corpus luteum. (ii) Where is morula formed in human? Explain the process of its development from zygote. -Biology

Last Answer : (i) Sectional view of human ovary. (ii) Morula is formed in the (a)Isthmus of the oviduct (Fallopiantube). (b)The zygote undergoes mitotic divisions in quick succession called cleavage, forming 2, 4 ... 8-16 blastomeres is called a morula and the inner cell mass gets ready to form the embryo proper.

Which one of the following statements about morula in humans is correct? (a) It has almost equal quantity of cytoplasm as an uncleaved zygote but much more DNA.(b) It has far less cytoplasm as well as less DNA than in an uncleaved zygote. (c) It has more or less equal quantity of cytoplasm and DNA as in uncleaved zygote. (d) It has more cytoplasm and more DNA than an uncleaved zygote.

Description : Which one of the following statements about morula in humans is correct? (a) It has almost equal quantity of cytoplasm as an uncleaved zygote but much more DNA. (b) It has far less cytoplasm as well ... DNA as in uncleaved zygote. (d) It has more cytoplasm and more DNA than an uncleaved zygote.

Last Answer : (a) It has almost equal quantity of cytoplasm as an uncleaved zygote but much more DNA.

In gastrula stage which layer are formed

Description : In gastrula stage which layer are formed

Last Answer : In gastrula stage which layer are formed A. Ectoderm B. Mesoderm C. Endoderm D. All

After the morula stage what is the next stage ?

Description : After the morula stage what is the next stage ?

Last Answer : What is the morphological feature that defines that stage? After passing the morula stage in which the embryo was a compact mass of cells, the next stage is the blastula stage. In the blastula stage, the compactness is lost and an internal cavity filled with fluid appears inside, the blastocele.

After the morula stage what is the next stage ?

Description : After the morula stage what is the next stage ?

Last Answer : What is the morphological feature that defines that stage? After passing the morula stage in which the embryo was a compact mass of cells, the next stage is the blastula stage. In the ... lost and an internal cavity filled with fluid appears inside, the blastocele. Image Diversity: blastula

After the blastula stage what is the following stage of the embryonic development ?

Description : After the blastula stage what is the following stage of the embryonic development ?

Last Answer : How is the passage from blastula to the next stage called? The blastula turns into gastrula in a process known as gastrulation.

After the blastula stage what is the following stage of the embryonic development ?

Description : After the blastula stage what is the following stage of the embryonic development ?

Last Answer : How is the passage from blastula to the next stage called? The blastula turns into gastrula in a process known as gastrulation. Image Diversity: gastrula

(i)Explain the events taking place at the time of fertilisation of an ovum in a human female. (ii)Trace the development of the zygote up to its implantation in the uterus. (iii)Name and draw a labelled sectional view of the embryonic stage that gets implanted. -Biology

Description : (i)Explain the events taking place at the time of fertilisation of an ovum in a human female. (ii)Trace the development of the zygote up to its implantation in the uterus. (iii)Name and draw a labelled sectional view of the embryonic stage that gets implanted. -Biology

Last Answer : (i)In humans, the fertilisation of ovum takes place in ampullary-isthmic junction of Fallopian tube. The events that occur during the process of fertilisation are: (a) The sperm reaches the ... endometrium of the uterus. This is called implantation.(iii) Blastocyst stage implants in the uterus.

In vitro fertilisation is a technique that involves transfer of which one of the following into the fallopian tube? (a) Embryo only, upto 8 cell stage (b) Either zygote or early embryo upto 8 cell stage(c) Embryo of 32 cell stage (d) Zygote only

Description : In vitro fertilisation is a technique that involves transfer of which one of the following into the fallopian tube? (a) Embryo only, upto 8 cell stage (b) Either zygote or early embryo upto 8 cell stage (c) Embryo of 32 cell stage (d) Zygote only

Last Answer : (b) Either zygote or early embryo upto 8 cell stage

Gastrula has a pore known as

Description : Gastrula has a pore known as

Last Answer : Gastrula has a pore known as A. Zoospore B. Oospore C. Gonospore D. Blastopore.

How does the embryo turn from gastrula into neurula ?

Description : How does the embryo turn from gastrula into neurula ?

Last Answer : How is the neural tube formed? What is the embryonic origin of the nervous system in vertebrates? The neurula stage is characterized by the appearing of the neural tube along the dorsal region of the ... the nervous system is the ectoderm (the same germ layer that gives birth to the skin).

How does the embryo turn from gastrula into neurula ?

Description : How does the embryo turn from gastrula into neurula ?

Last Answer : How is the neural tube formed? What is the embryonic origin of the nervous system in vertebrates? The neurula stage is characterized by the appearing of the neural tube along the dorsal region of the ... the ectoderm (the same germ layer that gives birth to the skin). Image Diversity: neurula

A 9 years-old boy has a small white discolouration on his maxillary central incisor. The lesion is most probably, A. Hypocalcification due to trauma of the primary predecessor B. Hypoplasia due to acute systemic infection when 6-12 months old C. Defect during the histo differentiation stage of development D. Defect during the morho differentiation stage of development

Description : A 9 years-old boy has a small white discolouration on his maxillary central incisor. The lesion is most probably, A. Hypocalcification due to trauma of the primary predecessor B ... the histo differentiation stage of development D. Defect during the morho differentiation stage of development

Last Answer : A. Hypocalcification due to trauma of the primary predecessor

Vascular tissue differentiation. -Biology

Description : Vascular tissue differentiation. -Biology

Last Answer : Vascular tissues are differentiated from meristematic cells: procambial cells during primary growth and vascular cambium cells during secondary growth. Procambial cells in roots and stems are derived from ... . Procambial cells in leaves are formed during very early stages of leaf development.

You are given a tissue with its potential for differentiation in an artificial culture. Which of the following pairs of hormones would you add to the medium to secure shoots as well as roots? (a) IAA and gibberellin (b) Auxin and cytokinin (c) Auxin and abscisic acid (d) Gibberellin and abscisic acid

Description : You are given a tissue with its potential for differentiation in an artificial culture. Which of the following pairs of hormones would you add to the medium to secure shoots as well as roots? ... gibberellin (b) Auxin and cytokinin (c) Auxin and abscisic acid (d) Gibberellin and abscisic acid

Last Answer : (b) Auxin and cytokinin

Morula formed at the end of clearvage is …………… celled

Description : Morula formed at the end of clearvage is …………… celled

Last Answer : Morula formed at the end of clearvage is …………… celled A. 14 B. 16 C. 18 D. 20

Which one of the following statements about morula humans is correct?

Description : Which one of the following statements about morula humans is correct?

Last Answer : Which one of the following statements about morula humans is correct? A. It has more cytoplasm ... of cytoplasm and DNA as in uncleaved zygote

.Transfer of Taenia to secondary host occurs as (a) oncosphere (b) cysticercus (c) morula (d) egg.

Description : .Transfer of Taenia to secondary host occurs as (a) oncosphere (b) cysticercus (c) morula (d) egg.

Last Answer : (b) cysticercus

Morphogenetic movements convert hollow spherical blastula into

Description : Morphogenetic movements convert hollow spherical blastula into

Last Answer : Morphogenetic movements convert hollow spherical blastula into A. Gastrula B. Morula C. Neurula D. Embryonic disc

The superficial blastula is the characteristic of

Description : The superficial blastula is the characteristic of

Last Answer : The superficial blastula is the characteristic of A. Birds B. Reptiles C. Insects D. Annelids.

Describe the structure of blastula

Description : Describe the structure of blastula

Last Answer : Describe the structure of blastula

Do cells grow in blastula?

Description : Do cells grow in blastula?

Last Answer : Need answer

Blastopore is (a) opening of neural tube (b) opening of gastrocoel (c) future anterior end of embryo (d) found in blastula.

Description : Blastopore is (a) opening of neural tube (b) opening of gastrocoel (c) future anterior end of embryo (d) found in blastula.

Last Answer : b) opening of gastrocoel

'Take-off stage' in an economy means - (1) Steady growth begins. (2) Economy is stagnant. (3) Economy is about to collapse. (4) All controls are removed.

Description : 'Take-off stage' in an economy means - (1) Steady growth begins. (2) Economy is stagnant. (3) Economy is about to collapse. (4) All controls are removed.

Last Answer : (1) Steady growth begins. Explanation: Rostow's 'Stages of Economic Growth' (1960) presented five stages through which all countries must pass to become developed: 1) traditional ... which industrialization begins to occur, and workers and institutions become concentrated around a new industry.

The stage during which separation of the paired homologous chromosomes begins is (a) pachytene (b) diplotene (c) diakinesis (d) zygotene.

Description : The stage during which separation of the paired homologous chromosomes begins is (a) pachytene (b) diplotene (c) diakinesis (d) zygotene.

Last Answer : (b) diplotene

16) If L'Oreal management feels that the firm's new cosmetic line is in too few retail outlets and begins to seek additional speciality and department stores to carry the line, it is probably is in which stage of the product's life cycle? A)Introduction B)Growth C)Maturity D)Decline

Description : 16) If L'Oreal management feels that the firm's new cosmetic line is in too few retail outlets and begins to seek additional speciality and department stores to carry the line, it is probably is in which stage of the product's life cycle? A)Introduction B)Growth C)Maturity D)Decline

Last Answer : B)Growth

An individual moves into the adoption stage of the adoption process at the point when he or she A)is self-motivated to get information about the product. B)begins using that specific product when the need for that general type of product arises. C)seriously considers whether the product will satisfy his or her needs. D)experiences the product for the first time.

Description : An individual moves into the adoption stage of the adoption process at the point when he or she A)is self-motivated to get information about the product. B)begins using that specific product when ... whether the product will satisfy his or her needs. D)experiences the product for the first time.

Last Answer : B)begins using that specific product when the need for that general type of product arises.

The stage during which separation of the paired homologous chromosomes begins is (1) Pachytene (2) Diplotene (3) Diakinesis (4) Zygotene

Description : The stage during which separation of the paired homologous chromosomes begins is (1) Pachytene (2) Diplotene (3) Diakinesis (4) Zygotene

Last Answer : (2) Diplotene

‘Take-off stage’ in an economy means (1) Steady growth begins. (2) Economy is stagnant. (3) Economy is about to collapse. (4) All controls are removed.

Description : ‘Take-off stage’ in an economy means (1) Steady growth begins. (2) Economy is stagnant. (3) Economy is about to collapse. (4) All controls are removed. 

Last Answer : Steady growth begins.

Reconstitution of the epithelial barrier (epithelialization) begins within hours of the initial injury. Which of the following statement(s) is/are true concerning the process of epithelialization? a. Bacteria, protein exudate, and necrotic tissue all will compromise this process b. Epithelial cells exhibit contact proliferation c. Epithelialization occurs only from the margins of the wound d. Visible scarring can occur only when the injury extends deeper than the superficial dermis

Description : Reconstitution of the epithelial barrier (epithelialization) begins within hours of the initial injury. Which of the following statement(s) is/are true concerning the process of epithelialization? a. ... d. Visible scarring can occur only when the injury extends deeper than the superficial dermis

Last Answer : Answer: a, d The initial step of epithelialization involves epithelial cells from the basal layer of the wound edge flattening and migrating across the wound, completing wound coverage within 24- ... abrasions and burns may scar significantly. Whenever the dermis is incised, a scar will form

What is the difference between a gamete and a zygote?

Description : What is the difference between a gamete and a zygote?

Last Answer : A gamete and a zygote are two distinct stages in the process of sexual reproduction in organisms: 1. Gamete: Gametes are specialized reproductive cells that are produced by sexually reproducing ... of two gametes during fertilization, containing the complete set of chromosomes for a new organism.

What is the difference between a zygote and a gamete?

Description : What is the difference between a zygote and a gamete?

Last Answer : A: A zygote is a diploid cell formed by the fusion of two haploid gametes, while a gamete is a haploid cell that is involved in sexual reproduction.

When do you think a newly conceived zygote becomes a person?

Description : When do you think a newly conceived zygote becomes a person?

Last Answer : answer:Good question. I’m not sure, but I think it should be whenever the brain and/or heart is formed. Edit: Lol@Mississippi.

Distinguish between a gamete and zygote. Explain their roles in sexual reproduction -Biology

Description : Distinguish between a gamete and zygote. Explain their roles in sexual reproduction -Biology

Last Answer : Gamete represents the sex cell or germ cell in sexual reproduction. ... Zygote is the product of fertilization in which a male and a female gamete fuse with each other. The two fusing ... characters of their parents in their DNA. Fertilization brings characters of both parents into one zygote cell.

What would be the ratio of chromosome number between an egg and its zygote? How is the sperm genetically different from the egg? -Biology

Description : What would be the ratio of chromosome number between an egg and its zygote? How is the sperm genetically different from the egg? -Biology

Last Answer : The ratio of chromosome number between egg· and its zygote is 1 : 2. An egg is a female gamete, it has haploid number of chromosomes. ... Sperms and eggs are genetically different in terms ... chromosome. The sperm contain either X or Y-chromosome whereas an egg will always have an X-chromosome.

Is the chromosome number of zygote, embryonal cells and adult of a particular organism always constant? How is the constancy maintained in these three stages? -Biology

Description : Is the chromosome number of zygote, embryonal cells and adult of a particular organism always constant? How is the constancy maintained in these three stages? -Biology

Last Answer : How is the constancy maintained in these three stages? Answer. Yes, zygote, embryonic cell and adult of a particular organism always constant have constant chromosome number. Sexual reproduction includes gamete formation through meiosis and fertilization.

In tobacco plant, the male gametes have twenty four chromosomes. What is the number of chromosomes in the female gamete? What is the number of chromosomes in the zygote? -Biology

Description : In tobacco plant, the male gametes have twenty four chromosomes. What is the number of chromosomes in the female gamete? What is the number of chromosomes in the zygote? -Biology

Last Answer : The number of chromosome in the female gamete would be same as that in the male gamete, i.e., it will have 24 chromosomes. The number of chromosome in the zygote would be double the number present in the gamete and hence, it would be 48.

in which structure of the female reproductive system is a zygote typically found? -General Knowledge

Description : in which structure of the female reproductive system is a zygote typically found? -General Knowledge

Last Answer : A zygote is typically found in the fallopian tube.

(a) If a normal human cell has 46 chromosomes, how many chromosomes will be there in a human: (i) Sperm (ii) Zygote (b) Name an animal in which individuals can change sex. What does this indicate? -Science

Description : (a) If a normal human cell has 46 chromosomes, how many chromosomes will be there in a human: (i) Sperm (ii) Zygote (b) Name an animal in which individuals can change sex. What does this indicate? -Science

Last Answer : (a) A normal human being has 46 chromosomes in which 23 chromosomes come from males and 23 chromosomes come from female. (i) Sperms coming from males have 23 chromosomes. (ii) Zygote forming in ... chromosomes in all. (b) Snail. This indicates that sex is not determined genetically in such animals.

Differentiate between zoospore and zygote. -Biology

Description : Differentiate between zoospore and zygote. -Biology

Last Answer : answer:

Where does the zygote of a gymnosperm develop? -Biology

Description : Where does the zygote of a gymnosperm develop? -Biology

Last Answer : If sperm then travel from the pollen to an egg so fertilization can occur, a diploid zygote results. The zygote develops into an embryo within a seed, which forms from the ovule inside the female cone.