what is difference between mitotic and meiotic interphase ? -Biology

what is difference between mitotic and meiotic interphase ? -Biology
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In grasses what happens in microspore mother cell for the formation of mature pollen grains? (a) One meiotic and two mitotic divisions (b) One meiotic and one mitotic divisions (c) One meiotic division (d) One mitotic division

Description : In grasses what happens in microspore mother cell for the formation of mature pollen grains? (a) One meiotic and two mitotic divisions (b) One meiotic and one mitotic divisions (c) One meiotic division (d) One mitotic division

Last Answer : (b) One meiotic and one mitotic divisions

Megaspores are produced from the megaspore mother cells after (a) mitotic division (b) formation of thick wall (c) differentiation (d) meiotic division.

Description : Megaspores are produced from the megaspore mother cells after (a) mitotic division (b) formation of thick wall (c) differentiation (d) meiotic division.

Last Answer : d) meiotic division.

Offsets are produced by (a) meiotic divisions (b) mitotic divisions (c) parthenocarpy (d) parthenogenesis

Description : Offsets are produced by (a) meiotic divisions (b) mitotic divisions (c) parthenocarpy (d) parthenogenesis

Last Answer : b) mitotic divisions

Offsets are produced by (1) Meiotic divisions (2) Mitotic divisions (3) Parthenocarpy (4) Parthenogenesis

Description : Offsets are produced by (1) Meiotic divisions (2) Mitotic divisions (3) Parthenocarpy (4) Parthenogenesis

Last Answer : (2) Mitotic divisions

In the somatic cell cycle (a) in G1 phase DNA content is double the amount of DNA present in the original cell (b) DNA replication takes place in S phase (c) a short interphase is followed by a long mitotic phase (d) G2 phase follows mitotic phase.

Description : In the somatic cell cycle (a) in G1 phase DNA content is double the amount of DNA present in the original cell (b) DNA replication takes place in S phase (c) a short interphase is followed by a long mitotic phase (d) G2 phase follows mitotic phase.

Last Answer : (b) DNA replication takes place in S phase

Difference between interphase and interkinesis in meiosis? -Biology

Description : Difference between interphase and interkinesis in meiosis? -Biology

Last Answer : answer:

(i) Mention the event that induces the completion of the meiotic division of the secondary oocyte. (ii) Trace the journey of the ovum from the ovary, its fertilisation and further development until the implantation of the embryo. -Biology

Description : (i) Mention the event that induces the completion of the meiotic division of the secondary oocyte. (ii) Trace the journey of the ovum from the ovary, its fertilisation and further development until the implantation of the embryo. -Biology

Last Answer : (i)Secondary oocyte completes meiosis-ll only when a sperm enters its cytoplasm. It forms a larger cell, the ootid and a small cell, the second polar body. (ii)The secondary oocyte is ... and inner cell mass.The trophoblast attacheds to endometrium (implantation) and blastocyst gets embedded in it.

What important events occur in the cell cycle during interphase? -Biology

Description : What important events occur in the cell cycle during interphase? -Biology

Last Answer : answer:

What happens to the DNA during interphase? -Biology

Description : What happens to the DNA during interphase? -Biology

Last Answer : answer:

Events occurring during the G1, S, and G2 stages of interphase. -Biology

Description : Events occurring during the G1, S, and G2 stages of interphase. -Biology

Last Answer : answer:

$ Colchicine is a chemical which can arrest cell division at metaphase ! Colchicine is also called mitotic tympanic cavity of the ear.

Description : $ Colchicine is a chemical which can arrest cell division at metaphase ! Colchicine is also called mitotic tympanic cavity of the ear.

Last Answer : $ Colchicine is a chemical which can arrest cell division at metaphase ! Colchicine is also called mitotic ... D. If both As and R are wrong.

The mitotic division starts as the zygioge moves through the of the oviduct called cleavage.

Description : The mitotic division starts as the zygioge moves through the of the oviduct called cleavage.

Last Answer : The mitotic division starts as the zygioge moves through the of the oviduct called cleavage. A. Ampulla B. Isthmus C. Fimbriae D. Infiundibulum

A cell has 46 chromosomes at each pole in mitotic telophase. In tis division the number of chromatids at the metaphase was :-

Description : A cell has 46 chromosomes at each pole in mitotic telophase. In tis division the number of chromatids at the metaphase was :-

Last Answer : A cell has 46 chromosomes at each pole in mitotic telophase. In tis division the number of chromatids at the metaphase was :- A. 23 B. 46 C. 92 D. 69

How many chromosome shal be present in a diploid cell at mitotic anaphase if its egg cell has the chromosome :-

Description : How many chromosome shal be present in a diploid cell at mitotic anaphase if its egg cell has the chromosome :-

Last Answer : How many chromosome shal be present in a diploid cell at mitotic anaphase if its egg cell has the chromosome ... 20(Twenty) C. 30(Thirty) D. 40(Forty)

A cell that is entering the mitotic phase (M-phase) of cell cycle is :-

Description : A cell that is entering the mitotic phase (M-phase) of cell cycle is :-

Last Answer : A cell that is entering the mitotic phase (M-phase) of cell cycle is :- A. ... chromosomes D. always diploid and with unduplicated chromosomes

When is DNA copied in the mitotic phase?

Description : When is DNA copied in the mitotic phase?

Last Answer : Need answer

In mammalian cell cycle, synthesis of DNA occurs during (A) S phase (B) G1 phase (C) Mitotic Phase (D) G2 phase

Description : In mammalian cell cycle, synthesis of DNA occurs during (A) S phase (B) G1 phase (C) Mitotic Phase (D) G2 phase

Last Answer : Answer : A

Cleavage divisions differ from normal mitotic divisions in that: (a) There is no nuclear division during cleavage (b) There is no division of cytoplasm during cleavage (c) The division of cytoplasm follows nuclear division (d) There is no period of growth in between divisions

Description : Cleavage divisions differ from normal mitotic divisions in that: (a) There is no nuclear division during cleavage (b) There is no division of cytoplasm during cleavage (c) The division of cytoplasm follows nuclear division (d) There is no period of growth in between divisions

Last Answer : Ans:(d)

Which is the most common type of embryo sac in angiosperms ? (a) Tetrasporic with one mitotic stage of divisions (b) Monosporic with three sequential mitotic divisions (c) Monosporic with two sequential mitotic divisions (d) Bisporic with two sequential mitotic divisions

Description : Which is the most common type of embryo sac in angiosperms ? (a) Tetrasporic with one mitotic stage of divisions (b) Monosporic with three sequential mitotic divisions (c) Monosporic with two sequential mitotic divisions (d) Bisporic with two sequential mitotic divisions

Last Answer : (b) Monosporic with three sequential mitotic divisions

Mitotic anaphase differs from metaphase in possessing (a) same number of chromosomes and same number of chromatids (b) half number of chromosomes and half number of chromatids (c) half number of chromosomes and same number of chromatids (d) same number of chromosomes and half number of chromatids.

Description : Mitotic anaphase differs from metaphase in possessing (a) same number of chromosomes and same number of chromatids (b) half number of chromosomes and half number of chromatids (c) half number of ... and same number of chromatids (d) same number of chromosomes and half number of chromatids.

Last Answer : (d) same number of chromosomes and half number of chromatids.

Which of the following structures will not be common to mitotic cell of a higher plant?(a) Centriole (b) Spindle fibre (c) Cell plate (d) Centromere

Description : Which of the following structures will not be common to mitotic cell of a higher plant? (a) Centriole (b) Spindle fibre (c) Cell plate (d) Centromere

Last Answer : (a) Centriole

How many mitotic divisions are needed for a single cell to make 128 cells? (a) 28 (b) 32 (c) 7 (d) 14

Description : How many mitotic divisions are needed for a single cell to make 128 cells? (a) 28 (b) 32 (c) 7 (d) 14

Last Answer : (c) 7

Mitotic spindle is mainly composed of which protein? (a) Actin (b) Myosin (c) Actomyosin (d) Myoglobin

Description : Mitotic spindle is mainly composed of which protein? (a) Actin (b) Myosin (c) Actomyosin (d) Myoglobin

Last Answer : c) Actomyosin

What are the components of the mitotic spindle?

Description : What are the components of the mitotic spindle?

Last Answer : •The mitotic spindle is an apparatus of microtubules that controls chromosome movement during mitosis •During prophase, assembly of spindle microtubules begins in the centrosome, the microtubule organizing center

What are the components of the mitotic spindle? What is the source of these components?

Description : What are the components of the mitotic spindle? What is the source of these components?

Last Answer : •The mitotic spindle is an apparatus of microtubules that controls chromosome movement during mitosis

The following antineoplastic drug is a mitotic inhibitor and causes metaphase arrest: A. Busulfan B. Vincristine C. Cytarabine D. Procarbazine

Description : The following antineoplastic drug is a mitotic inhibitor and causes metaphase arrest: A. Busulfan B. Vincristine C. Cytarabine D. Procarbazine

Last Answer : B. Vincristine

During the final stage of cell division, the mitotic apparatus disappears, the chromosomes become attenuated, the centrioles duplicate and split, the nuclear membrane becomes reconstituted and the nucleolus reappears. This phase of cell division is known as:

Description : During the final stage of cell division, the mitotic apparatus disappears, the chromosomes become attenuated, the centrioles duplicate and split, the nuclear membrane becomes reconstituted and the nucleolus reappears. This ... as: a) prophase (pron: prO-phase) b) metaphase c) anaphase d) telophase

Last Answer : ANSWER: D -- Telophase

Variations during mutations of meiotic recombinations are

Description : Variations during mutations of meiotic recombinations are

Last Answer : Variations during mutations of meiotic recombinations are A. Random and directionless B. Randonm and ... and small D. Randonm, small adn directional

Each secondary spermatocyte after second meiotic division produces

Description : Each secondary spermatocyte after second meiotic division produces

Last Answer : Each secondary spermatocyte after second meiotic division produces A. Four haploid spermatids B. ... haploid spermatids D. Two diploid spermatids.

Secondary spermatocytes undergo second meiotic division during spermatogenesis to produce.

Description : Secondary spermatocytes undergo second meiotic division during spermatogenesis to produce.

Last Answer : Secondary spermatocytes undergo second meiotic division during spermatogenesis to produce. A. ... Spermatogonia `rarr` Sperms D. Spermatogonia

In humans the oocyte is maintained in a state of meiotic arrest by the secretion of

Description : In humans the oocyte is maintained in a state of meiotic arrest by the secretion of

Last Answer : In humans the oocyte is maintained in a state of meiotic arrest by the secretion of A. Granulosa cells B. Zona pellucida C. Cumulus oophorus D. Theca.

In humans, at the end of the first meiotic division, the male germ cells differentiate into the

Description : In humans, at the end of the first meiotic division, the male germ cells differentiate into the

Last Answer : In humans, at the end of the first meiotic division, the male germ cells ... Spermatozonia C. Primary spermatocytes D. Secondary spermatocytes

First meiotic division during Oogenesis occurs in:

Description : First meiotic division during Oogenesis occurs in:

Last Answer : First meiotic division during Oogenesis occurs in: A. First polar body B. Second polar body C. Primary oocytes D. Secondary polar body

How many meiotic divisions are required during the formation of 500 zzygotes, if in males one meiotic division result in formation of four male gamete

Description : How many meiotic divisions are required during the formation of 500 zzygotes, if in males one meiotic division result in formation of four male gamete

Last Answer : How many meiotic divisions are required during the formation of 500 zzygotes, if in males one meiotic division ... A. 625 B. 500 C. 1000 D. 2500

Identify the meiotic sage in which the homologous chromosomes separate while the sister chromatids remain associated at their centrometres. Or In whic

Description : Identify the meiotic sage in which the homologous chromosomes separate while the sister chromatids remain associated at their centrometres. Or In whic

Last Answer : Identify the meiotic sage in which the homologous chromosomes separate while the sister chromatids remain ... II C. Metaphase I D. Metaphase II

In angiosperms regarding development of microgametophyte each microspore mother cell undergoes (a) Mitosis to produce 4 microspores (b) Two successive mitosis to form 4 microspores (c) Two successive meiotic division to form 4 microspores (d) Meiosis to produce 4 haploid microspores

Description : In angiosperms regarding development of microgametophyte each microspore mother cell undergoes (a) Mitosis to produce 4 microspores (b) Two successive mitosis to form 4 microspores (c) Two successive meiotic division to form 4 microspores (d) Meiosis to produce 4 haploid microspores

Last Answer : Ans. ((d))

Neurospora is used as genetic material because (a) It has short life cycle of 10 days (b) The product of single meiosis can be easily analysed (c) Meiotic products are linearly arranged in the form of ordered tetrads (d) Is a diploid fungus

Description : Neurospora is used as genetic material because (a) It has short life cycle of 10 days (b) The product of single meiosis can be easily analysed (c) Meiotic products are linearly arranged in the form of ordered tetrads (d) Is a diploid fungus

Last Answer : Ans:(a)

Crossing over is followed by a. Meiotic division I b. Meiotic division II, c. Both d. None

Description : Crossing over is followed by a. Meiotic division I b. Meiotic division II, c. Both d. None

Last Answer : Both

n humans, at the end of the first meiotic division, the male germ cells differentiate into the (a) spermatids (b) spermatogonia (c) primary spermatocytes (d) secondary spermatocytes.

Description : n humans, at the end of the first meiotic division, the male germ cells differentiate into the (a) spermatids (b) spermatogonia (c) primary spermatocytes (d) secondary spermatocytes.

Last Answer : (d) secondary spermatocytes.

The figure shows a section of human ovary. Select the option which gives the correct identification of either A  or  B with function/characteristic(a) B- Corpus luteum - Secretes progesterone (b) A- Tertiary follicle - Forms Graafian follicle (c) B- Corpus luteum - Secretes estrogen (d) A- Primary oocyte - It is in the prophase I of the meiotic division

Description : The figure shows a section of human ovary. Select the option which gives the correct identification of either A  or  B with function/characteristic (a) B- Corpus luteum - Secretes progesterone (b) A- ... Secretes estrogen (d) A- Primary oocyte - It is in the prophase I of the meiotic division

Last Answer : (a) B- Corpus luteum - Secretes progesterone

Meiotic division of the secondary oocyte is completed (a) prior to ovulation (b) at the time of copulation (c) after zygote formation (d) at the time of fusion of a sperm with an ovum.Meiotic division of the secondary oocyte is completed (a) prior to ovulation (b) at the time of copulation (c) after zygote formation (d) at the time of fusion of a sperm with an ovum.

Description : Meiotic division of the secondary oocyte is completed (a) prior to ovulation (b) at the time of copulation (c) after zygote formation (d) at the time of fusion of a sperm with an ovum.

Last Answer : (d) at the time of fusion of a sperm with an ovum.

Total number of meiotic divisions required for forming 100 zygotes/100 grains of wheat is (a) 100 (b) 75 (c) 125 (d) 50

Description : Total number of meiotic divisions required for forming 100 zygotes/100 grains of wheat is (a) 100 (b) 75 (c) 125 (d) 50

Last Answer : (c) 125

Number of meiotic divisions required to produce 200/400 seeds of pea would be (a) 200/400 (b) 400/800 (c) 300/600 (d) 250/500

Description : Number of meiotic divisions required to produce 200/400 seeds of pea would be (a) 200/400 (b) 400/800 (c) 300/600 (d) 250/500

Last Answer : (d) 250/500.

Identify the meiotic stage in which the homologous chromosomes separate while the sister chromatids remain associated at their centromeres. (a) Metaphase I (b) Metaphase II (c) Anaphase I (d) Anaphase I

Description : Identify the meiotic stage in which the homologous chromosomes separate while the sister chromatids remain associated at their centromeres. (a) Metaphase I (b) Metaphase II (c) Anaphase I (d) Anaphase I

Last Answer : (c) Anaphase I

How many meiotic divisions are required to produce 200 microspores from functional microspore mother cell

Description : 1. How many meiotic divisions are required to produce 200 microspores from functional microspore mother cell ? a) 400 b) 50 c) 200 d) 100

Last Answer : b) 50

Anaphase in second meiotic division is characterized by:

Description : 26. Anaphase in second meiotic division is characterized by: (a) Separation of non-homologous chromosomes (b) Separation of homologous chromosomes (c) Separation of chromatids (d) All of them

Last Answer : Answer: c Separation of chromatids

$ A cell with actively dividing nucleus is called interphase cell. ! Prokaryotic cells have a true nucleus.

Description : $ A cell with actively dividing nucleus is called interphase cell. ! Prokaryotic cells have a true nucleus.

Last Answer : $ A cell with actively dividing nucleus is called interphase cell. ! Prokaryotic cells have a true nucleus. A ... wrong D. If both As and R are wrong.

How many of the following is observed in the interphase nucleus ? Chromatid, Nucleosome, Centriole, Nucleouls, Centromere, Kinetochore

Description : How many of the following is observed in the interphase nucleus ? Chromatid, Nucleosome, Centriole, Nucleouls, Centromere, Kinetochore

Last Answer : How many of the following is observed in the interphase nucleus ? Chromatid, Nucleosome, Centriole, Nucleouls, ... . Three B. One C. Four D. Two

Is it true mutations can only occur during interphase?

Description : Is it true mutations can only occur during interphase?

Last Answer : Need answer

How much of the cells life is spent in interphase?

Description : How much of the cells life is spent in interphase?

Last Answer : Need answer