The blastomeres in the blastocyst are arranged into an outer layer `____A____` and inner group of cells attached to trophoblast called the `___B____`.

The blastomeres in the blastocyst are arranged into an outer layer `____A____` and inner group of cells attached to trophoblast called the `___B____`.
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The blastomeres in the blastocyst are arranged into an outer layer `____A____` and inner group of ... are trophoblast D. Both are inner cell masses
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In human female, the blastocyst (a) forms placenta even before implantation (b) gets implanted into uterus 3 days after ovulation (c) gets nutrition from uterine endometrial secretion only after implantation (d) gets implanted in endometrium by the trophoblast cells.

Description : In human female, the blastocyst (a) forms placenta even before implantation (b) gets implanted into uterus 3 days after ovulation (c) gets nutrition from uterine endometrial secretion only after implantation (d) gets implanted in endometrium by the trophoblast cells.

Last Answer : (d) gets implanted in endometrium by the trophoblast cells.

An epithelial tissue which has thin flat cells, arranged edge to edge so as to appear like closely packed tiles, is found to be present at (a) outer surface of ovary (b) inner lining of Fallopian tube (c) inner lining of stomach (d) inner lining of cheeks.

Description : An epithelial tissue which has thin flat cells, arranged edge to edge so as to appear like closely packed tiles, is found to be present at (a) outer surface of ovary (b) inner lining of Fallopian tube (c) inner lining of stomach (d) inner lining of cheeks.

Last Answer : (d) inner lining of cheeks.

The extra embryonic membranes of the mammalian embryo are derived from (a) trophoblast (b) inner cell mass (c) formative cells (d) follicle cells

Description : The extra embryonic membranes of the mammalian embryo are derived from (a) trophoblast (b) inner cell mass (c) formative cells (d) follicle cells

Last Answer : (a) trophoblast

Cytochrome C (small protein) is attached to outer surface of the inner mitochondrial membrane.

Description : Cytochrome C (small protein) is attached to outer surface of the inner mitochondrial membrane.

Last Answer : Cytochrome C (small protein) is attached to outer surface of the inner mitochondrial membrane.

Cytochrome C (small protein) is attached to outer surface of the inner mitochondrial membrane.

Description : Cytochrome C (small protein) is attached to outer surface of the inner mitochondrial membrane.

Last Answer : Cytochrome C (small protein) is attached to outer surface of the inner mitochondrial membrane.

During Implantation, the blastocyst beco,es embedded in which layer of the uterus?

Description : During Implantation, the blastocyst beco,es embedded in which layer of the uterus?

Last Answer : During Implantation, the blastocyst beco,es embedded in which layer of the uterus? A. Trophoblast B. Endometrium C. Myometrium D. Perimetrium

The adrenal cortex can be divided intro three layers, called____ (inner layer), _____(middle layer) and ______(outer layer)

Description : The adrenal cortex can be divided intro three layers, called____ (inner layer), _____(middle layer) and ______(outer layer)

Last Answer : The adrenal cortex can be divided intro three layers, called____ (inner layer), _____(middle layer) and ______(outer layer)

_______ is the thinnest layer of Earth. (1) Mantle (2) Outer Core (3) Crust (4) Inner Core

Description : _______ is the thinnest layer of Earth. (1) Mantle (2) Outer Core (3) Crust (4) Inner Core

Last Answer : (3) Crust Explanation: The Earth can be divided into four main layers: the solid crust on the outside, the mantle, the outer core and the inner core. Out of them, the mantle is the thickest layer ... crust is the thinnest layer. The crust ranges from 5-70 km in depth and is the outermost layer.

In retinal detachment, fluid accumulates between: a. Outer plexiform layer and inner nuclear layer. b. Neurosensory retina and layer of retinal pigment epithelium c. Nerve fiber layer and rest of retina. d. Retinal pigment epithelium and Bruch’s membrane.

Description : In retinal detachment, fluid accumulates between: a. Outer plexiform layer and inner nuclear layer. b. Neurosensory retina and layer of retinal pigment epithelium c. Nerve fiber layer and rest of retina. d. Retinal pigment epithelium and Bruch’s membrane.  

Last Answer : ANSWER: B 

_________ is the thinnest layer of Earth. (1) Mantle (2) Outer Core (3) Crust (4) Inner Core

Description : _________ is the thinnest layer of Earth. (1) Mantle (2) Outer Core (3) Crust (4) Inner Core

Last Answer : Crust

The cells of the retinal pigment epithelium: a. are of mesenchymal origin b. are shorter at the fovea than else where in the retina c. have intracellular melanosomes d. regenerate visual pigment e. form the inner outer blood-retina barrier

Description : The cells of the retinal pigment epithelium: a. are of mesenchymal origin b. are shorter at the fovea than else where in the retina c. have intracellular melanosomes d. regenerate visual pigment e. form the inner outer blood-retina barrier

Last Answer : have intracellular melanosome

A hollow circular pipe with non-reflective inner surface is cut into 5 pieces and arranged as shown in the figure below. If it is illuminated from below using a torch as shown in the figure, what would be the profile of the light falling on the sheet kept above?

Description : A hollow circular pipe with non-reflective inner surface is cut into 5 pieces and arranged as shown in the figure below. If it is illuminated from below using a torch as shown in the figure, what would be the profile of the light falling on the sheet kept above?

Last Answer : A

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

Assisted reproductive technology, IVF involves transfer of (a) ovum into the fallopian tube (b) zygote into the fallopian tube (c) zygote into the uterus (d) embryo with 16 blastomeres into the fallopian tube.

Description : Assisted reproductive technology, IVF involves transfer of (a) ovum into the fallopian tube (b) zygote into the fallopian tube (c) zygote into the uterus (d) embryo with 16 blastomeres into the fallopian tube.

Last Answer : b) zygote into the fallopian tube

Embryo with more than 16 blastomeres formed due to in vitro fertilisation is transferred into (a) uterus (b) fallopian tube (c) fimbriae (d) cervix.

Description : Embryo with more than 16 blastomeres formed due to in vitro fertilisation is transferred into (a) uterus (b) fallopian tube (c) fimbriae (d) cervix.

Last Answer : (a) uterus

The embryo with 8 to 16 blastomeres is called :

Description : The embryo with 8 to 16 blastomeres is called :

Last Answer : The embryo with 8 to 16 blastomeres is called : A. Moruls B. Blastula C. Gastrula D. Foetus

Select the correct statement from the following regarding cell membrane. (a) Na+ and K+ ions move across cell membrane by passive transport. (b) Proteins make up 60 to 70% of the cell membrane. (c) Lipids are arranged in a bilayer with polar heads towards the inner part. (d) Fluid mosaic model of cell membrane was proposed by Singer and Nicolson

Description : Select the correct statement from the following regarding cell membrane. (a) Na+ and K+ ions move across cell membrane by passive transport. (b) Proteins make up 60 to 70% of the cell ... towards the inner part. (d) Fluid mosaic model of cell membrane was proposed by Singer and Nicolson

Last Answer : (d) Fluid mosaic model of cell membrane was proposed by Singer and Nicolson.

Select the correct statement from the following regarding cell membrane (1) Fluid mosaic model of cell membrane was proposed by Singer and Nicolson (2) Na+ and K+ ions move across cell membrane by passive transport (3) Proteins make up 60 to 70% of the cell membrane (4) Lipids are arranged in a bilayer with polar heads towards the inner part

Description : Select the correct statement from the following regarding cell membrane (1) Fluid mosaic model of cell membrane was proposed by Singer and Nicolson (2) Na+ and K+ ions move across cell membrane by ... of the cell membrane (4) Lipids are arranged in a bilayer with polar heads towards the inner part

Last Answer : (1) Fluid mosaic model of cell membrane was proposed by Singer and Nicolson

Mention the function of trophoblast in human embryo. -Biology

Description : Mention the function of trophoblast in human embryo. -Biology

Last Answer : Trophoblast is the outer layer of blastocyst which helps in attachment of blastocyst to the endometrium of the uterus.

Which one of the following is initiated by secretions of trophoblast?

Description : Which one of the following is initiated by secretions of trophoblast?

Last Answer : Which one of the following is initiated by secretions of trophoblast? A. Blastulation B. Implanatation C. Cleavage D. Gastrualtion

How many cleavages are required for formation of 16 blastomeres .

Description : How many cleavages are required for formation of 16 blastomeres .

Last Answer : How many cleavages are required for formation of 16 blastomeres . A. 2 B. 4 C. 6 D. 8

The amnion of mammalian embryo is derived from (a) ectoderm and mesoderm (b) endoderm and mesoderm (c) mesoderm and trophoblast (d) ectoderm and endoderm

Description : The amnion of mammalian embryo is derived from (a) ectoderm and mesoderm (b) endoderm and mesoderm (c) mesoderm and trophoblast (d) ectoderm and endoderm

Last Answer : (a) ectoderm and mesoderm

A change in the amount of yolk and its distribution in the egg will affect (a) pattern of cleavage (b) number of blastomeres produced (c) fertilisation (d) formation of zygote.

Description : A change in the amount of yolk and its distribution in the egg will affect (a) pattern of cleavage (b) number of blastomeres produced (c) fertilisation (d) formation of zygote.

Last Answer : a) pattern of cleavage

The amnion of mammalian embryo is derived from (1) ectoderm and mesoderm (2) endoderm and mesoderm (3) mesoderm and trophoblast (4) ectoderm and endoderm

Description : The amnion of mammalian embryo is derived from (1) ectoderm and mesoderm (2) endoderm and mesoderm (3) mesoderm and trophoblast (4) ectoderm and endoderm

Last Answer : (1) ectoderm and mesoderm

Gram positive cells have a A- second outer membrane that helps to retain the crystal violet stain B- multiple layer of peptidoglycan that helps to retain the crystal violet stain C- .thick capsule that traps the crystal violet stain D- periplasmic space that traps the crystal violet

Description : Gram positive cells have a A- second outer membrane that helps to retain the crystal violet stain B- multiple layer of peptidoglycan that helps to retain the crystal violet stain C- .thick capsule that traps the crystal violet stain D- periplasmic space that traps the crystal violet

Last Answer : multiple layer of peptidoglycan that helps to retain the crystal violet stain

Optic nerve axon emerges from: a. Ganglion cells b. Rods and cones c. Amacrine cells d. Inner nuclear layer

Description : Optic nerve axon emerges from: a. Ganglion cells b. Rods and cones c. Amacrine cells d. Inner nuclear layer 

Last Answer : ANSWER: A

Which of the following statements is false? (i) Medulla is divided into about renal pyramids (ii) Outer cortex and inner medulla are the two zones in

Description : Which of the following statements is false? (i) Medulla is divided into about renal pyramids (ii) Outer cortex and inner medulla are the two zones in

Last Answer : Which of the following statements is false? (i) Medulla is divided into about renal pyramids (ii) Outer cortex and ... B. ii and iv C. i and iv D. iv

The redox carriers are grouped into respiratory chain complex (A) In the inner mitochondrial membrane (B) In mitochondiral matrix (C) On the outer mitochondrial membrane (D) On the inner surface of outer mitochondrial membrane

Description : The redox carriers are grouped into respiratory chain complex (A) In the inner mitochondrial membrane (B) In mitochondiral matrix (C) On the outer mitochondrial membrane (D) On the inner surface of outer mitochondrial membrane

Last Answer : Answer : A

Which one of the following parts of a ball bearing acts as a barrier between the balls preventing them from bumping into each other? (a) Inner race (b) Outer race (c) Rolling element (d) Cage

Description : Which one of the following parts of a ball bearing acts as a barrier between the balls preventing them from bumping into each other? (a) Inner race (b) Outer race (c) Rolling element (d) Cage

Last Answer : (d) Cage

Bottom bars under the columns are extended into the interior of the footing slab to a distance greater than (A) 42 diameters from the centre of the column (B) 42 diameters from the inner edge of the column (C) 42 diameters from the outer edge of the column (D) 24 diameters from the centre of the column

Description : Bottom bars under the columns are extended into the interior of the footing slab to a distance greater than (A) 42 diameters from the centre of the column (B) 42 diameters from the inner edge of ... ) 42 diameters from the outer edge of the column (D) 24 diameters from the centre of the column

Last Answer : Answer: Option C

The figure below shows the structure of a mitochondrion with its four parts labelled A, B, C and D. Select the part correctly matched with its function. D B A C (a) D (outer membrane) – gives rise to inner membrane by splitting (b) B (inner membrane) – forms infoldings called cristae (c) C (crista) – possesses single circular DNA molecule and ribosomes (d) A (matrix) – major site for respiratory chain enzyme

Description : The figure below shows the structure of a mitochondrion with its four parts labelled A, B, C and D. Select the part correctly matched with its function. D B A C (a) D (outer ... possesses single circular DNA molecule and ribosomes (d) A (matrix) - major site for respiratory chain enzyme

Last Answer : (b) B (inner membrane) – forms infoldings called cristae

In geological studies, the Mohorovicic Discontinuity, commonly called the Moho, is the boundary between the w) the mantle and the crust x) asthenosphere and the mantle y) mantle and the outer core z) outer core and the inner core

Description : In geological studies, the Mohorovicic Discontinuity, commonly called the Moho, is the boundary between the w) the mantle and the crust x) asthenosphere and the mantle y) mantle and the outer core z) outer core and the inner core

Last Answer : ANSWER: W -- THE MANTLE AND THE CRUST

What is blastocyst? -Biology

Description : What is blastocyst? -Biology

Last Answer : answer:

What is blastocyst? -Biology

Description : What is blastocyst? -Biology

Last Answer : answer:

What is a blastocyst ?

Description : What is a blastocyst ?

Last Answer : The union of mature sperm and ovum occurs in the ovaries of the wife. The fertilized egg slowly progresses towards the ovary to the uterus and at the same time its cell division or cleavage continues. ... division it turns from the ovary to the uterus. At this stage the embryo is called blastocyst.

Assertion : Zona pellucida is glycoproteinous in nature and dissolved during the event of implantation . Reason : The blastocyst , along with zona pel

Description : Assertion : Zona pellucida is glycoproteinous in nature and dissolved during the event of implantation . Reason : The blastocyst , along with zona pel

Last Answer : Assertion : Zona pellucida is glycoproteinous in nature and dissolved during the event of implantation . ... . If both Assertion & Reason are False.

Fixing up of the blastocyst in the wall of the uterus is known as:

Description : Fixing up of the blastocyst in the wall of the uterus is known as:

Last Answer : Fixing up of the blastocyst in the wall of the uterus is known as: A. Fertilization B. Implantation C. Impreganation D. Placentation

What is the work of copper-T? (a) To inhibit ovulation (b) To inhibit fertilisation (c) To inhibit implantation of blastocyst (d) To inhibit gametogenesis

Description : What is the work of copper-T? (a) To inhibit ovulation (b) To inhibit fertilisation (c) To inhibit implantation of blastocyst (d) To inhibit gametogenesis

Last Answer : c) To inhibit implantation of blastocyst

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 following contraceptive acts primarily by interfering with implantation of blastocyst: A. Gossypol B. Centchroman C. Combined estrogen-progestin pill D. Phased pill

Description : The following contraceptive acts primarily by interfering with implantation of blastocyst: A. Gossypol B. Centchroman C. Combined estrogen-progestin pill D. Phased pill

Last Answer : B. Centchroman

Which of the following component of respiratory chain is not attached to the inner mitochondrial membrane? (A) Coenzyme Q (B) Cytochrome c (C) Both (A) and (B) (D) None of these

Description : Which of the following component of respiratory chain is not attached to the inner mitochondrial membrane? (A) Coenzyme Q (B) Cytochrome c (C) Both (A) and (B) (D) None of these

Last Answer : Answer : C

When it comes to your "secret thought life," what are the differences between your inner and outer persona?

Description : When it comes to your "secret thought life," what are the differences between your inner and outer persona?

Last Answer : answer:fyi, you sound quite normal. great question, by the way. My inner persona wants to be impressed. My outside persona seems like he’s content with things the way they are.

Which has more to offer an explorer, inner space or outer space?

Description : Which has more to offer an explorer, inner space or outer space?

Last Answer : Until they get some kind of FTL drive working, outer space might not hold a lot of promise. I’m all for building a gigantic ship that can be home to generations of explorer’s, though. As long as it’s designed by Hollywood and not a submarine builder.

Inner Earth or Outer Space- which would you prefer to explore?

Description : Inner Earth or Outer Space- which would you prefer to explore?

Last Answer : Inner space. It feels almost as infinite, and a bit more reasonable to reach.

Are humans hypocrites when acting as if inner beauty is more important than outer beauty?

Description : Are humans hypocrites when acting as if inner beauty is more important than outer beauty?

Last Answer : I don’t think we’re hypocrites, exactly. While looks are important in an initial evaluation, insides are more important in the long haul. We use both to determine if a person is worthy of our interest.

Differentiate between inner planets and outer planets. -Geography

Description : Differentiate between inner planets and outer planets. -Geography

Last Answer : The difference between inner planets and outer planets inner planets outer planets Inner Planets Outer Planets 1. Mercury, Venus, Earth and Mars are called Inner Planets 1. Jupiter, Saturn, Uranus, Neptune and ... density 6. Solid rocky state 6. Gaseous state 7. They are warm 7. They are cold

Inner planets are terrestrial while outer planets are Jovian. Why? -Geography

Description : Inner planets are terrestrial while outer planets are Jovian. Why? -Geography

Last Answer : Inner planets are terrestrial while outer planets are Jovian because the terrestrial planets are smaller and their lower gravity could not hold the escaping gases. Jovian planets are bigger and have high ... winds were not all that intense to cause similar removal of gases from the Jovian planets.

A hemispherical bowl is made of steel, 0.25 cm thick. The inner radius of the bowl is 5cm. Find the outer curved surface of the bowl. -Maths 9th

Description : A hemispherical bowl is made of steel, 0.25 cm thick. The inner radius of the bowl is 5cm. Find the outer curved surface of the bowl. -Maths 9th

Last Answer : Inner radius of hemispherical bowl = 5cm Thickness of the bowl = 0.25 cm Outer radius of hemispherical bowl = (5+0.25) cm = 5.25 cm Formula for outer CSA of hemispherical bowl = 2πr2, where r is radius of ... 22/7) (5.25)2 = 173.25 Therefore, the outer curved surface area of the bowl is 173.25 cm2.

A metal pipe is 77 cm long. The inner diameter of a cross section is 4 cm, the outer diameter being 4.4cm. -Maths 9th

Description : A metal pipe is 77 cm long. The inner diameter of a cross section is 4 cm, the outer diameter being 4.4cm. -Maths 9th

Last Answer : Let r1 and r2 Inner and outer radii of cylindrical pipe r1 = 4/2 cm = 2 cm r2 = 4.4/2 cm = 2.2 cm Height of cylindrical pipe, h = length of cylindrical pipe = 77 cm (i) curved surface ... CSA of roller = (500 31680) cm2 = 15840000 cm2 = 1584 m2. Therefore, area of playground is 1584 m2. Answer!

The outer and the inner radii of a hollow sphere are 12 cm and 10 cm. Find its volume. -Maths 9th

Description : The outer and the inner radii of a hollow sphere are 12 cm and 10 cm. Find its volume. -Maths 9th

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