Division of centromere occurs in :-

Division of centromere occurs in :-
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Division of centromere occurs in :- A. Prophase B. Metaphase C. Anaphase D. Telophase
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During meiosis how cycles of nucleus division, DNA replication and division of centromere take place respectively :-

Description : During meiosis how cycles of nucleus division, DNA replication and division of centromere take place respectively :-

Last Answer : During meiosis how cycles of nucleus division, DNA replication and division of centromere take place respectively :- ... , Two, One D. Two, One, One

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.

Which of the following options gives the correct sequence of events during mitosis ? (a) Condensation → Nuclear membrane disassembly → Arrangement at equator → Centromere division → Segregation → Telophase (b) Condensation → Crossing over → Nuclear membrane disassembly → Segregation → Telophase (c) Condensation → Arrangement at equator → Centromere division → Segregation → Telophase (d) Condensation → Nuclear membrane disassembly → Crossing over → Segregation → Telophase

Description : Which of the following options gives the correct sequence of events during mitosis ? (a) Condensation → Nuclear membrane disassembly → Arrangement at equator → Centromere division → Segregation ... (d) Condensation → Nuclear membrane disassembly → Crossing over → Segregation → Telophase

Last Answer : (a) Condensation → Nuclear membrane disassembly → Arrangement at equator → Centromere division → Segregation → Telophase

Synapsis occurs between (a) mRNA and ribosomes (b) spindle fibres and centromere (c) two homologous chromosomes (d) a male and a female gamete.

Description : Synapsis occurs between (a) mRNA and ribosomes (b) spindle fibres and centromere (c) two homologous chromosomes (d) a male and a female gamete.

Last Answer : (c) two homologous chromosomes

What is a Centromere? -Biology

Description : What is a Centromere? -Biology

Last Answer : Centromere, structure in a chromosome that holds together the two chromatids (the daughter strands of a replicated chromosome). The centromere is the point of attachment of the kinetochore, a ... chromosome. Thus, when the cell divides, both daughter cells have complete sets of chromosomes.

What are the functions of the Centromere? -Biology

Description : What are the functions of the Centromere? -Biology

Last Answer : The primary function of the centromere is to provide the foundation for assembly of the kinetochore, which is a protein complex essential to proper chromosomal segregation during mitosis. In ... mitotic chromosomes, kinetochores appear as platelike structures composed of several layers (Figure 4).

In which step is the centromere of chromosome divided into two parts ?

Description : In which step is the centromere of chromosome divided into two parts ?

Last Answer : The centromere of the chromosome is divided into two parts in the anaphase phase.

What is the difference between centromere and chromometer ?

Description : What is the difference between centromere and chromometer ?

Last Answer : Centromere 1. Undigested space is special in the colored chromosome. 2. Seen on all chromosomes. 3. Here the RNA is slightly coiled. 4. Each chromosome usually contains one. 5. Centromeres usually do ... more coiled. 4. Each chromosome contains a lot. 5. Each chromosome contains one or more genes.

Centromere is also called

Description : Centromere is also called

Last Answer : Centromere is also called A. Secondary constriction B. Chromomere C. Chromocentre D. Primary constriction

The events shown below occur during different phases - A. Centromere splits, chromatids separate and move to opposite poles, chromatids are now called

Description : The events shown below occur during different phases - A. Centromere splits, chromatids separate and move to opposite poles, chromatids are now called

Last Answer : The events shown below occur during different phases - A. Centromere splits, chromatids separate and move to opposite poles, ... "),(" C A D E B"):}`

Centromere is rquired for

Description : Centromere is rquired for

Last Answer : Centromere is rquired for A. Movement of chromosomes towards poles B. Cytoplasmic cleavage C. Crossing over D. Transcription

In meiosis, the centromere divides during

Description : In meiosis, the centromere divides during

Last Answer : In meiosis, the centromere divides during A. Interphase B. Anaphase - 1 C. Anaphase - II D. Metaphase - I

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

A chromosome, in which the centromere is situated is situated close to its end so that one arm is very short and other vey long is

Description : A chromosome, in which the centromere is situated is situated close to its end so that one arm is very short and other vey long is

Last Answer : A chromosome, in which the centromere is situated is situated close to its end so that one ... B. Telocentric C. Sub-metacentric D. Metacentric

Chromosome with centromere at one End :-

Description : Chromosome with centromere at one End :-

Last Answer : Chromosome with centromere at one End :- A. Metacentric B. Submetacentric C. Telocentric D. Acrocentric

If the centromere is sub-median the two arms are unequal then the chromosome is called as

Description : If the centromere is sub-median the two arms are unequal then the chromosome is called as

Last Answer : If the centromere is sub-median the two arms are unequal then the chromosome is called ... Metacentric B. Submetacentric C. Acrocentric D. Telocentric

In which phases of mitosis are sister chromatids visible and attached to each other at the centromere?

Description : In which phases of mitosis are sister chromatids visible and attached to each other at the centromere?

Last Answer : Feel Free to Answer

How the chromosome region where the centromere is located is called ?

Description : How the chromosome region where the centromere is located is called ?

Last Answer : How are chromosomes classified in relation to the position of their centromere? The chromosome region where the centromere is located is called primary constriction. In microscopic view ... constriction the chromosomes are classified as telocentric, acrocentric, submetacentric or metacentric.

What is centromere?

Description : What is centromere?

Last Answer : The chromatids are held together by centromere.

. The stage in which each centromere divides is called a. Prophase b. Metaphase c. anaphase d. telophase

Description : . The stage in which each centromere divides is called a. Prophase b. Metaphase c. anaphase d. telophase

Last Answer : anaphase

An octamer of 4 histones complexed with DNA forms (a) endosome (b) nucleosome (c) mesosome (d) centromere.

Description : An octamer of 4 histones complexed with DNA forms (a) endosome (b) nucleosome (c) mesosome (d) centromere.

Last Answer : (b) nucleosome

Meiosis II performs (a) separation of sex chromosomes (b) synthesis of DNA and centromere (c) separation of homologous chromosomes (d) separation of chromatids.

Description : Meiosis II performs (a) separation of sex chromosomes (b) synthesis of DNA and centromere (c) separation of homologous chromosomes (d) separation of chromatids.

Last Answer : d) separation 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

During the metaphase stage of mitosis, spindle fibres attach to chromosomes at (a) kinetochore (b) both centromere and kinetochore (c) centromere, kinetochore and areas adjoining centromere (d) centromere.

Description : During the metaphase stage of mitosis, spindle fibres attach to chromosomes at (a) kinetochore (b) both centromere and kinetochore (c) centromere, kinetochore and areas adjoining centromere (d) centromere.

Last Answer : a) kinetochore

Spindle fibres attach on to (a) centromere of the chromosome (b) kinetosome of the chromosome (c) telomere of the chromosome (d) kinetochore of the chromosome.

Description : Spindle fibres attach on to (a) centromere of the chromosome (b) kinetosome of the chromosome (c) telomere of the chromosome (d) kinetochore of the chromosome.

Last Answer : (d) kinetochore of the chromosome.

.Centromere is required for (a) replication of DNA (b) chromosome segregation (c) poleward movement of chromosomes (d) cytoplasmic cleavage.

Description : .Centromere is required for (a) replication of DNA (b) chromosome segregation (c) poleward movement of chromosomes (d) cytoplasmic cleavage.

Last Answer : (c) poleward movement of chromosomes

Centromere is required for (a) movement of chromosomes towards poles (b) cytoplasmic cleavage (c) crossing over (d) transcription.

Description : Centromere is required for (a) movement of chromosomes towards poles (b) cytoplasmic cleavage (c) crossing over (d) transcription.

Last Answer : (a) movement of chromosomes towards poles

The chromosomes in which centromere is situated close to one end are (a) telocentric (b) sub-metacentric (c) metacentric (d) acrocentric

Description : The chromosomes in which centromere is situated close to one end are (a) telocentric (b) sub-metacentric (c) metacentric (d) acrocentric

Last Answer : (d) acrocentric.

Which region of chromatin is transcriptionally silent? a. Nucleoid b. Centromere c. Euchromatin d. Heterochromatin

Description : Which region of chromatin is transcriptionally silent? a. Nucleoid b. Centromere c. Euchromatin d. Heterochromatin

Last Answer : d. Heterochromatin

A chromosome whose centromere lies at one end. (A) Sum-metacentric (B) Metacentric (C) Telocentric (D) Acrocentric

Description : A chromosome whose centromere lies at one end. (A) Sum-metacentric (B) Metacentric (C) Telocentric (D) Acrocentric

Last Answer : (C) Telocentric

A chromosome with the centromere located very close to one end so that the shorter arm is very small is termed as (A) Telocentric (B) Sub-telocentric (C) Acrocentric (D) Both B and C

Description : A chromosome with the centromere located very close to one end so that the shorter arm is very small is termed as (A) Telocentric (B) Sub-telocentric (C) Acrocentric (D) Both B and C

Last Answer : (D) Both B and C

As mitosis (pron: mie-TOE-sis) begins, the structure in the nucleus that disappears is the: a) spindle b) nucleolus (pron: new-klee-O-lus) c) chromatid (pron: KROME-a-tid) d) centromere (pron: SEN-tro-meer)

Description : As mitosis (pron: mie-TOE-sis) begins, the structure in the nucleus that disappears is the: a) spindle b) nucleolus (pron: new-klee-O-lus) c) chromatid (pron: KROME-a-tid) d) centromere (pron: SEN-tro-meer)

Last Answer : ANSWER: B -- NUCLEOLUS

What type of cell division occurs in yeast ?

Description : What type of cell division occurs in yeast ?

Last Answer : Answer : This is called amytosis cell division.

In which mitosis cell division occurs ?

Description : In which mitosis cell division occurs ?

Last Answer : Oyster mitosis occurs in cell division.

In which miosis cell division occurs ?

Description : In which miosis cell division occurs ?

Last Answer : Pollen miosis cell division occurs.

During spermatogenesis, the first meotic division occurs in

Description : During spermatogenesis, the first meotic division occurs in

Last Answer : During spermatogenesis, the first meotic division occurs in A. Sertoli cells B. Spermatids C. Spermatozoans D. Primary spermatocytes

Second maturation division of mammalian ovum occurs

Description : Second maturation division of mammalian ovum occurs

Last Answer : Second maturation division of mammalian ovum occurs A. Until after sperm has penetrated ovum B. ... after ovulation before entry into fallopian tube.

Cell division that occurs in zygote is called

Description : Cell division that occurs in zygote is called

Last Answer : Cell division that occurs in zygote is called A. Meiosis B. Mitosis C. Cleavage D. Differentiation.

The second maturation division of the mammalian ovum occurs

Description : The second maturation division of the mammalian ovum occurs

Last Answer : The second maturation division of the mammalian ovum occurs A. In the Graafian follicle following the ... the sperm has fused with that of the ovum

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

The tissue in man where no cell division occurs after birth is - (1) skeletal (2) nerves (3) connective (4) germinal

Description : The tissue in man where no cell division occurs after birth is - (1) skeletal (2) nerves (3) connective (4) germinal

Last Answer : (2) nerves Explanation: Cell division is the process by which cells produce new cells. Cell division differs in prokaryotes (bacteria) and eukaryotes (protists, fungi, plants, & animals). Some tissues must ... a short lifespan. Other cells do not divide at all after birth such as muscle & nerve.

The tissue in man where no cell division occurs after birth is - (1) skeletal (2) nerves (3) connective (4) germinal

Description : The tissue in man where no cell division occurs after birth is - (1) skeletal (2) nerves (3) connective (4) germinal

Last Answer : (2) nerves Explanation: A nerve is an enclosed, cable-like bundle of axons (the long, slender projections of neurons) in the peripheral nervous system. A nerve provides a common pathway for the ... . These impulses are extremely fast, with some militated neurons conducting at speeds up to 120 m/s.

Multiplexing in a time division multiplexer occurs based upon A. the position of a frame within the group of frames B. the positioning of data within a frame C. the priority assigned to a connected device D. the activity of a connected device

Description : Multiplexing in a time division multiplexer occurs based upon A. the position of a frame within the group of frames B. the positioning of data within a frame C. the priority assigned to a connected device D. the activity of a connected device

Last Answer : B. the positioning of data within a frame

The following cell division occurs during gametogenesis a. Mitosis b. Meiosis c. Both d. None of them

Description : The following cell division occurs during gametogenesis a. Mitosis b. Meiosis c. Both d. None of them

Last Answer : Both

The second maturation division of the mammalian ovum occurs (a) shortly after ovulation before the ovum makes entry into the fallopian tube (b) until after the ovum has been penetrated by a sperm (c) until the nucleus of the sperm has fused with that of the ovum (d) in the Graafian follicle following the first maturation division.

Description : The second maturation division of the mammalian ovum occurs (a) shortly after ovulation before the ovum makes entry into the fallopian tube (b) until after the ovum has been penetrated by a sperm ... with that of the ovum (d) in the Graafian follicle following the first maturation division.

Last Answer : (b) until after the ovum has been penetrated by a sperm

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

In Ulothrix/Spirogyra, reduction division (meiosis) occurs at the time of (a) gamete formation (b) zoospore formation (c) zygospore germination (d) vegetative reproduction.

Description : In Ulothrix/Spirogyra, reduction division (meiosis) occurs at the time of (a) gamete formation (b) zoospore formation (c) zygospore germination (d) vegetative reproduction.

Last Answer : (c) zygospore germination

Which one of the following statements does NOT apply to bacterial reproduction? a. A fission ring apparatus is present. b. Septum formation occurs. c. A spindle apparatus is used. d. Symmetrical cell division occurs.

Description : Which one of the following statements does NOT apply to bacterial reproduction? a. A fission ring apparatus is present. b. Septum formation occurs. c. A spindle apparatus is used. d. Symmetrical cell division occurs.

Last Answer : c. A spindle apparatus is used.

Which tissue in man where no cell division, occurs after birth?

Description : Which tissue in man where no cell division, occurs after birth?

Last Answer : Nerves

Multiple checkpoints in the eukaryotic cell cycle ensure that division occurs only after sufficient growth and faithful DNA replication, and only when favorable conditions exist. Of the many proteins involved in cell cycle control, cyclin-dependent kinases (CDKs) are among the most important. How do CDKs function to control the cell cycle?

Description : Multiple checkpoints in the eukaryotic cell cycle ensure that division occurs only after sufficient growth and faithful DNA replication, and only when favorable conditions exist. Of the many proteins involved in ... CDKs) are among the most important. How do CDKs function to control the cell cycle?

Last Answer : CDKs phosphorylate various protein substrates that are required for cell cycle progression. Some of the important substrate proteins that CDKs phosphorylate include condensin proteins, which are essential ... which form a stabilizing network under the nuclear membrane that assembles during mitosis.