Why does a female frog produce hundreds of egg cells at a time but a female human produces only one egg cell at a time?

Why does a female frog produce hundreds of egg cells at a time but a female human produces only one egg cell at a time?
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You’re stranded in a rainforest, and you’ve eaten a poisonous mushroom. To save your life, you need an antidote excreted by a certain species of frog. Unfortunately, only the female frog produces the antidote. The male and female look identical, but the male frog has a distinctive croak. Derek Abbott shows how to use conditional probability to make sure you lick the right frog and get out alive. -Riddles

Description : You're stranded in a rainforest, and you've eaten a poisonous mushroom. To save your life, you need an antidote excreted by a certain species of frog. Unfortunately, only the female frog produces ... how to use conditional probability to make sure you lick the right frog and get out alive. -Riddles

Last Answer : If you chose to go to the clearing, you're right, but the hard part is correctly calculating your odds. There are two common incorrect ways of solving this problem. Wrong answer number one: ... best options so that maybe next time, we can avoid eating that poisonous mushroom in the first place.

2. A human cell containing 22 autosomes and a Y chromosome is probably a a) somatic cell of male b) sperm cell c) somatic cell of female d) unfertilized egg cell

Description : 2. A human cell containing 22 autosomes and a Y chromosome is probably a a) somatic cell of male b) sperm cell c) somatic cell of female d) unfertilized egg cell

Last Answer : b) sperm cell

Why do frogs produce hundreds of eggs and humans produce one?

Description : Why do frogs produce hundreds of eggs and humans produce one?

Last Answer : Because frogs eggs are released into the environment (wherepredators will eat most of them) while human are developedinternally (where they are safe).

How many egg cells do tigers produce at once?

Description : How many egg cells do tigers produce at once?

Last Answer : Feel Free to Answer

How many egg cells do cats produce?

Description : How many egg cells do cats produce?

Last Answer : Feel Free to Answer

Depolarizing neuromuscular blockers differ from competitive blockers in the following attributes except: A. They induce contraction of isolated frog rectus abdominis muscle B. Ether anaesthesia intensifies block produced by them C. Tetanic nerve stimulation during partial depolarizing block produces well sustained contraction D. Neostigmine does not reverse block produced by them

Description : Depolarizing neuromuscular blockers differ from competitive blockers in the following attributes except: A. They induce contraction of isolated frog rectus abdominis muscle B. Ether anaesthesia ... produces well sustained contraction D. Neostigmine does not reverse block produced by them

Last Answer : B. Ether anaesthesia intensifies block produced by them

Which of the following statement about reproductions in human is correct. a) fertilisation takes place externally b) fertilisation takes place in the testes c) during fertilisation egg moves towards sperm d) fertilisation takes place in human female

Description : Which of the following statement about reproductions in human is correct. a) fertilisation takes place externally b) fertilisation takes place in the testes c) during fertilisation egg moves towards sperm d) fertilisation takes place in human female

Last Answer : d) fertilisation takes place in human female

What will you look for to identify the sex of the following? (a) Female Ascaris-sharply curved posterior end (b) Male frog- a copulatory pad on the first digit of the hind limb (c) Female cockroach-anal cerci (d) Male shark-claspers borne on pelvic fins

Description : What will you look for to identify the sex of the following? (a) Female Ascaris-sharply curved posterior end (b) Male frog- a copulatory pad on the first digit of the hind limb (c) Female cockroach-anal cerci (d) Male shark-claspers borne on pelvic fins

Last Answer : (d) Male shark-claspers borne on pelvic fins

What will you look for to identify the sex of the following? (a) Female Ascaris-sharply curved posterior end (b) Male frog- a copulatory pad on the first digit of the hind limb (c) Female cockroach-anal cerci (d) Male shark-claspers borne on pelvic fins

Description : What will you look for to identify the sex of the following? (a) Female Ascaris-sharply curved posterior end (b) Male frog- a copulatory pad on the first digit of the hind limb (c) Female cockroach-anal cerci (d) Male shark-claspers borne on pelvic fins

Last Answer : (d) Male shark-claspers borne on pelvic fins

A fruit fly is heterozygous for sex-linked genes, when mated with normal female fruit fly, the males specific chromosome will enter egg cell in the proportion (a) 3 : 1 (b) 7 : 1 (c) 1 : 1 (d) 2 : 1.

Description : A fruit fly is heterozygous for sex-linked genes, when mated with normal female fruit fly, the males specific chromosome will enter egg cell in the proportion (a) 3 : 1 (b) 7 : 1 (c) 1 : 1 (d) 2 : 1.

Last Answer : (c) 1 : 1

The figure shows a human blood cell. Identify it and give its characteristics. Blood cell Characteristics (a) Basophil Secretes serotonin, inflammatory response (b) B-lymphocyte Forms about 20% of blood cells involved in immune response (c) Neutrophil Most abundant blood cells, phagocytic (d) Monocyte Lifespan of 3 days, produces antibodies

Description : The figure shows a human blood cell. Identify it and give its characteristics. Blood cell Characteristics (a) Basophil Secretes serotonin, inflammatory response (b) B-lymphocyte Forms about 20% of ... Most abundant blood cells, phagocytic (d) Monocyte Lifespan of 3 days, produces antibodies

Last Answer : (a) Basophil Secretes serotonin, inflammatory response

Hybridoma cells are (a) only cells having oncogenes (b) product of spore formation in bacteria (c) nervous cells of frog (d) hybrid cells resulting from myeloma cells.

Description : Hybridoma cells are (a) only cells having oncogenes (b) product of spore formation in bacteria (c) nervous cells of frog (d) hybrid cells resulting from myeloma cells.

Last Answer : (d) hybrid cells resulting from myeloma cells.

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.

.A human female with Turner’s syndrome (a) has 45 chromosomes with XO (b) has one additional X chromosome (c) exhibits male characters (d) is able to produce children with normal husband.

Description : .A human female with Turner’s syndrome (a) has 45 chromosomes with XO (b) has one additional X chromosome (c) exhibits male characters (d) is able to produce children with normal husband.

Last Answer : (a) has 45 chromosomes with XO

I have hundreds of legs but I can only lean;You make me feel dirty so you feel clean.What am I? -Riddles

Description : I have hundreds of legs but I can only lean;You make me feel dirty so you feel clean.What am I? -Riddles

Last Answer : A Broom.

Though bromocriptine acts directly on dopamine receptors, it is used in parkinsonism only as a supplement to levodopa because: A. It has low efficacy B. It produces marked dyskinesias C. Used alone, its effective doses produce intolerable side effects D. Its therapeutic effect takes long time to develop

Description : Though bromocriptine acts directly on dopamine receptors, it is used in parkinsonism only as a supplement to levodopa because: A. It has low efficacy B. It produces marked dyskinesias C. ... its effective doses produce intolerable side effects D. Its therapeutic effect takes long time to develop

Last Answer : C. Used alone, its effective doses produce intolerable side effect

How many cells in the heart of a frog ?

Description : How many cells in the heart of a frog ?

Last Answer : Frog's heart has 3 chambers .

In cloning of cattle a fertilized egg is taken out of the mother’s womb and (a) in the eight cell stage, cells are separated and cultured until small embryos are formed which are implanted into the womb of other cows (b) in the eight cell stage the individual cells are separated under electrical field for further development in culture media (c) from this upto eight identical twins can be produced (d) the egg is divided into 4 pairs of cells which are implanted into the womb of other cows.

Description : In cloning of cattle a fertilized egg is taken out of the mother's womb and (a) in the eight cell stage, cells are separated and cultured until small embryos are formed which are implanted into the ... d) the egg is divided into 4 pairs of cells which are implanted into the womb of other cows.

Last Answer : (a) in the eight cell stage, cells are separated and cultured until small embryos are formed which are implanted into the womb of other cows

Which of the following pair have haploid structures? (a) Nucellus and antipodal cells (b) Antipodal cells and egg cell (c) Antipodal cells and megaspore mother cell (d) Nucellus and primary endosperm nucleus

Description : Which of the following pair have haploid structures? (a) Nucellus and antipodal cells (b) Antipodal cells and egg cell (c) Antipodal cells and megaspore mother cell (d) Nucellus and primary endosperm nucleus

Last Answer : (b) Antipodal cells and egg cell

In angiosperms, pollen tube liberate their male gametes into the (a) central cell (b) antipodal cells (c) egg cell (d) synergids.

Description : In angiosperms, pollen tube liberate their male gametes into the (a) central cell (b) antipodal cells (c) egg cell (d) synergids.

Last Answer : d) synergids.

Which one of the following pairs of plant structures has haploid number of chromosomes? (a) Nucellus and antipodal cells (b) Egg nucleus and secondary nucleus (c) Megaspore mother cell and antipodal cells (d) Egg cell and antipodal cells

Description : Which one of the following pairs of plant structures has haploid number of chromosomes? (a) Nucellus and antipodal cells (b) Egg nucleus and secondary nucleus (c) Megaspore mother cell and antipodal cells (d) Egg cell and antipodal cells

Last Answer : d) Egg cell and antipodal cells

In majority of angiosperms, (a) egg has a filiform apparatus (b) there are numerous antipodal cells (c) reduction division occurs in the megaspore mother cells (d) a small central cell is present in that embryo sac.

Description : In majority of angiosperms, (a) egg has a filiform apparatus (b) there are numerous antipodal cells (c) reduction division occurs in the megaspore mother cells (d) a small central cell is present in that embryo sac.

Last Answer : (c) reduction division occurs in the megaspore mother cells

Polycondensation reaction of polymerisation (A) Does not produce linear polymers (B) Produces only thermoplastic material (C) Produces epoxy polymers (D) Does not need any catalyst

Description : Polycondensation reaction of polymerisation (A) Does not produce linear polymers (B) Produces only thermoplastic material (C) Produces epoxy polymers (D) Does not need any catalyst

Last Answer : (C) Produces epoxy polymers

Turbine impeller (A) Produces only radial current (B) Produces only tangential current (C) Is effective over wide range of viscosities (D) Does not produce tangential current

Description : Turbine impeller (A) Produces only radial current (B) Produces only tangential current (C) Is effective over wide range of viscosities (D) Does not produce tangential current

Last Answer : (C) Is effective over wide range of viscosities

When a female reaches puberty the uterus sheds an unfertilized egg along with the?

Description : When a female reaches puberty the uterus sheds an unfertilized egg along with the?

Last Answer : What is the answer ?

Which organ of the female reproductive system sheds an unfertilized egg every month?

Description : Which organ of the female reproductive system sheds an unfertilized egg every month?

Last Answer : The uterus has a lining of blood in it. When the unfertilized egg passes through the uterus it sheds this lining which causes the blood to come out.

Which of the following statements is correct with reference to a test tube baby? (a) Fertilisation of the egg is effected outside the body; the fertilised egg is then placed in the womb of the mother where the gestation is completed. (b) Fertilisation of the egg is effected in the female genital tract. It is then taken out and grown in a large test tube. (c) A prematurely born baby is reared in an incubator. (d) Fertilisation of the egg and growth of the embryo are affected in a large test tube.

Description : Which of the following statements is correct with reference to a test tube baby? (a) Fertilisation of the egg is effected outside the body; the fertilised egg is then placed in the womb of the mother ... . (d) Fertilisation of the egg and growth of the embryo are affected in a large test tube.

Last Answer : (a) Fertilisation of the egg is effected outside the body; the fertilised egg is then placed in the womb of the mother where the gestation is completed.

In our society women are blamed for producing female children. Choose the correct answer for the sex-determination in humans. (a) Due to some defect like aspermia in man. (b) Due to the genetic make up of the particular sperm which fertilises the egg. (c) Due to the genetic make up of the egg. (d) Due to some defect in the women.

Description : In our society women are blamed for producing female children. Choose the correct answer for the sex-determination in humans. (a) Due to some defect like aspermia in man. (b) Due to the genetic make up of the ... . (c) Due to the genetic make up of the egg. (d) Due to some defect in the women.

Last Answer : (b) Due to the genetic make up of the particular sperm which fertilises the egg.

Development of an organism from female gamete/ egg without involving fertilization is (a) adventitive embryony (b) polyembryony (c) parthenocarpy (d) parthenogenesis.

Description : Development of an organism from female gamete/ egg without involving fertilization is (a) adventitive embryony (b) polyembryony (c) parthenocarpy (d) parthenogenesis.

Last Answer : (d) parthenogenesis.

In angiosperm female gametophyte is: a) Embryo b) Egg Apparatus c)Embryo sac d) synergids

Description : In angiosperm female gametophyte is: a) Embryo b) Egg Apparatus c)Embryo sac d) synergids

Last Answer : Ans: c)Embryo sac

The human organ that destroys the worn out or damaged red cells and produces lym- phocytes?

Description : The human organ that destroys the worn out or damaged red cells and produces lym- phocytes?

Last Answer : Spleen

Give reason: a) Burning of kerosene does not produce much smell but when the burning ceases, it produces strong smell. b) Smell of hot food reaches faster then that of cold food.

Description : Give reason: a) Burning of kerosene does not produce much smell but when the burning ceases, it produces strong smell. b) Smell of hot food reaches faster then that of cold food.

Last Answer : a) Burning of kerosene does not produce much smell but when the burning ceases, it produces strong smell. When kerosene is burnt, only few molecules diffuse with air after combustion. But when the ... . Smell of hot food reaches faster because rate of diffusion is faster. Cold food diffuses slowly.

Gynodioecious varieties of papaya produce – a) Only male plants b) Female and hermaphrodite c) Male and hermaphrodite plants d) Only female plants

Description : Gynodioecious varieties of papaya produce – a) Only male plants b) Female and hermaphrodite c) Male and hermaphrodite plants d) Only female plants

Last Answer : d) Only female plants

What type of cell division produces germ cells ?

Description : What type of cell division produces germ cells ?

Last Answer : In meiosis cell division, germ cells are produced.

Which one of the following statements about the particular entity is true ? (a) Centromere is found in animal cells, which produces aster during cell division. (b) The gene for producing insulin is present in every body cell. (c) Nucleosome is formed of nucleotides. (d) DNA consists of core of eight histones.

Description : Which one of the following statements about the particular entity is true ? (a) Centromere is found in animal cells, which produces aster during cell division. (b) The gene for producing insulin is ... cell. (c) Nucleosome is formed of nucleotides. (d) DNA consists of core of eight histones.

Last Answer : (b) The gene for producing insulin is present in every body cell.

Male gametophyte in angiosperms produces (a) single sperm and two vegetative cells (b) three sperms (c) two sperms and a vegetative cell (d) single sperm and a vegetative cell.

Description : Male gametophyte in angiosperms produces (a) single sperm and two vegetative cells (b) three sperms (c) two sperms and a vegetative cell (d) single sperm and a vegetative cell.

Last Answer : (c) two sperms and a vegetative cell

Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it (A) Has larger production capacity per unit cell (B) Consumes less power per ton of Cl2 produced (C) Produces high purity (70%) caustic soda directly (D) All (A), (B) and (C)

Description : Mercury electrolytic cells are preferred over diaphragm electrolytic cell (for production of caustic soda), as it (A) Has larger production capacity per unit cell (B) Consumes less power per ton of Cl2 produced (C) Produces high purity (70%) caustic soda directly (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

.Which one of the following conditions of the zygotic cell would lead to the birth of a normal human female child? (a) Two X chromosomes (b) Only one Y chromosome (c) Only one X chromosome (d) One X and one Y chromosome

Description : .Which one of the following conditions of the zygotic cell would lead to the birth of a normal human female child? (a) Two X chromosomes (b) Only one Y chromosome (c) Only one X chromosome (d) One X and one Y chromosome

Last Answer : (a) Two X chromosomes

Sperms produce an enzymatic substance or lysin for dissolving egg coverings. It is called

Description : Sperms produce an enzymatic substance or lysin for dissolving egg coverings. It is called

Last Answer : Sperms produce an enzymatic substance or lysin for dissolving egg coverings. It is called A. ... B. hyaluronidase C. Androgamone D. Diastase.

How often does a chicken produce an egg?

Description : How often does a chicken produce an egg?

Last Answer : Usually once a day.

Why do fish produce so many egg?

Description : Why do fish produce so many egg?

Last Answer : Of the many eggs fish lay, very few reach adulthood. The eggs are preyed on by many aquatic creatures, and the hatched fry are still in danger of being eaten. Only by laying so many eggs can the species have a chance of surviving.

The independent structure developed in pteridophytes which produces male and female gametes is

Description : The independent structure developed in pteridophytes which produces male and female gametes is

Last Answer : Prothallus.

Difference between frog, rabbit and human -Biology

Description : Difference between frog, rabbit and human -Biology

Last Answer : answer:

What is the main difference in human and frog RBCs?

Description : What is the main difference in human and frog RBCs?

Last Answer : What is the main difference in human and frog RBCs? A. Human RBC are non-nuclearted B. ... Human RBC have nucleus D. Human RBC are multinucleated

What are the major physical and chemical differences between the circulatory system of a human and the circulatory system of a frog?

Description : What are the major physical and chemical differences between the circulatory system of a human and the circulatory system of a frog?

Last Answer : What is the answer ?

What parts does the human brain have that the shark and frog brains do not have?

Description : What parts does the human brain have that the shark and frog brains do not have?

Last Answer : Need answer

The sum of the three interior angles of a triangle, the vertices of which lie on the surface of the earth, covering a vast area of several hundreds of sq kms, is : (a) Less than 180° (b) Equal to 180° (c) More than 180° but not less than 270° (d) More than 180° but not more than 225°

Description : The sum of the three interior angles of a triangle, the vertices of which lie on the surface of the earth, covering a vast area of several hundreds of sq kms, is : (a) Less than 180° (b) Equal to 180° (c) More than 180° but not less than 270° (d) More than 180° but not more than 225°

Last Answer : (d) More than 180° but not more than 225°

What is the structure and function of a human ovum(egg) cell? -Biology

Description : What is the structure and function of a human ovum(egg) cell? -Biology

Last Answer : answer:

What is the structure and function of a human ovum(egg) cell? -Biology

Description : What is the structure and function of a human ovum(egg) cell? -Biology

Last Answer : answer:

Every multicellular organism, be it a microscopic alga, a banyan tree or a human being, starts as a single cell called a/an (a) Egg (b) Sperm (c) Nucleus (d) Gene

Description : Every multicellular organism, be it a microscopic alga, a banyan tree or a human being, starts as a single cell called a/an (a) Egg (b) Sperm (c) Nucleus (d) Gene

Last Answer : Ans:(a)