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Top competitors on query "where is chromosomes found in a plant cell"
http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20101/Bio%20101%20Lectures/Mitosis/mitosis.htm Competition: low
After the screen opens, press Ctrl-F to view the animation in full screen mode.The Cell CycleThe cell cycle alternates between interphase and mitosis as diagrammed below. At high levels, activation occurs and the cycle resumes.Growth FactorsGrowth factors are molecules that stimulate nearby cells to divide by promoting the binding of cyclin to kinase.Under normal conditions, cyclin combines with kinase only when growth factors are present
http://waynesword.palomar.edu/lmexer1a.htm Competition: low
During this process, electrons are shuttled through an iron-containing cytochrome enzyme system along membranes of the cristae which result in the phosphorylation of ADP (adenosine diphosphate) to form ATP (adenosine triphosphate). In fact, chloroplast DNA, including the protein-coding RBCL gene, is often used at the family level to show the relationships between genera and species within plant families
http://www.brighthub.com/science/genetics/articles/14875.aspx Competition: low
The major differences are in the number of chromosomes and genes, and the arrangement of base pairs within these genes.slide 3 of 6Viral DNAA virus is essentially a very simple particle with nucleic acid at its core and a few essential proteins, such as its protein coat. This article takes a peek inside cells to find out where DNA is found.slide 1 of 6Human CellsNucleus DNA can be found inside the nucleus of every cell, apart from red blood cells
Cell Division
http://preuniversity.grkraj.org/html/2_CELL_DIVISION.htm Competition: low
But the cloning techniques have made life easy and these products can be synthesized on a large scale, thus the cost of production as come down which is a great boon for common man. In all the above said cases and all other organisms, the plant or the animal body is diploid (2 n), such organisms resort to sexual reproduction by means of gamates
Cell division and chromosomes
http://www.biotopics.co.uk/life/celdiv.html Competition: low
The contents of the nucleus The nucleus contains some coiled strand-like bodies known as chromosomes , which are only really visible in dividing cells, when they will absorb stain. In some cases these cells can accept DNA containing genes from a completely different source, and there are a wide number of possible benefits in medicine as well as industrial manufacturing
iKnow - Phases of Mitosis in Plant and Animal Cells
http://iknow.net/cell_div_education.html Competition: low
The typical cell cycle is divided into two phases: a brief mitotic phase in which the cell divides its nuclear and cytoplasmic contents, and a longer period between divisions called interphase. During mitosis and cytokinesis, each of the two daughter cells will receive an exact copy of the parent cell's chromosomes and roughly half of the cytoplasm
Sex-Determining Mechanisms in Land Plants
http://www.plantcell.org/content/16/suppl_1/S61.full Competition: low
latifolia has been to clone genes that are expressed specifically in the male flowers and determine their linkage to the Y chromosome (reviewed by Charlesworth, 2002). Although the structure of the Ceratopteris antheridiogen is unknown, all other fern antheridiogens characterized to date are mostly novel gibberellins (Yamane, 1998)
What are Chromosome? How many types of chromosomes are there in human body? - Yahoo! Answers India
http://in.answers.yahoo.com/question/index?qid=20081231001844AAv92kQ Competition: low
Member since: 07 September 2008 Total points: 99 (Level 1) Add Contact Block A chromosome is an organized structure of DNA and protein that is found in cells. In case of acrocentric chromosome the centromere is situated close to its end forming one extremely short and one very long arm, whereas the telocentric chromosome has a terminal centromere
Plant cell - Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/Plant_cell Competition: low
Other types of plastids are the amyloplasts, specialized for starch storage, elaioplasts specialized for fat storage, and chromoplasts specialized for synthesis and storage of pigments. Xylem tracheids are pointed, elongated xylem cells, the simplest of which have continuous primary cell walls and lignified secondary wall thickenings in the form of rings, hoops, or reticulate networks
http://quizlet.com/5536289/holt-biology-chapter-67-chromosomes-and-cell-reproductionmeiosis-flash-cards/ Competition: low
New Spindle forms Metaphase II Chromosomes line up at the MIDDLE of the cell, move to equator Anaphase II Sister Chromatids separate and move to opposite sides(poles) of the cell. gametes Reproductive Cells zygote a fertilized egg spindle fibers help pull apart the cell during replication and are made up of micrtubules centrioles two tiny structures located in the cytoplasm near the nuclear envelope mitosis cell division in which the nucleus divides into nuclei containing the same number of chromosomes cytokinesis organic process consisting of the division of the cytoplasm of a cell following karyokinesis bringing about the separation into two daughter cells cell plate A double membrane across the midline of a dividing plant cell, between which the new cell wall forms during cytokinesis
Chromosome - definition from Biology-Online.org
http://www.biology-online.org/dictionary/Chromosome Competition: low
Supplement In eukaryotes, the chromosomes appear as threadlike strand that condense into thicker structures and aligns on the metaphase plate during mitosis. For example, the Duchenne muscular dystrophy requires just a single mutation in one of the alleles of a gene for dystrophin in the X chromosome, and if you inherit this mutation and happen to be a male, the disease always ensues
Chromosomes and Genetics
http://preuniversity.grkraj.org/html/9_GENETICS.htm Competition: low
Law of Segregation A pair of allelic genes that are present in an n organism for a given character, separate or segregate in equal ratios during gamete formation. However, in 1900, three biologists, Hugo Devries, Tschermak and Correns, while publishing their independent works on inheritance found Mendel's paper and to their surprise they realized that Mendel had already discovered of what they wanted or considered to be an important discovery
What is the chromosome number in daughter cells formed by meiosis from diploid parent cells? - Yahoo! Answers
http://answers.yahoo.com/question/index?qid=20070812095642AA3p6ld Competition: low
However, in thinking about this process, what would happen if both gametes had the same number of chromosomes as the rest of the cells in the organism? When they fused to become a zygote, they would have two times the number of chromosomes as the rest of the cells in the organism. Reproduction can occur in several ways as vegetative propagation, such as in the development of runners in strawberry plants, or by special cells called vegetative spores which are products of mitosis
What parts of plant cells are not found in animal cells
http://wiki.answers.com/Q/What_parts_of_plant_cells_are_not_found_in_animal_cells Competition: low
As well as storing these substances the vacuole helps to support the cell.3) Chloroplasts; these are structures containing the green pigment called chlorophyll, which traps sunlight. The job of the cell wall is to strengthen and support the cell.2) A central vacuole; this is a space in the centre of the cell filled with a watery solution called cell sap
Chromosomes
http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/C/Chromosomes.html Competition: low
univalens (parasitic roundworm)2 Cambarus clarkii (a crayfish)200 Equisetum arvense (field horsetail, a plant)216 Karyotypes The complete set of chromosomes in the cells of an organism is its karyotype. (In plants, the haploid stage takes up a larger part of its life cycle - Link) Diploid numbers of some commonly studied organisms (as well as a few extreme examples) Homo sapiens (human)46 Mus musculus (house mouse)40 Drosophila melanogaster (fruit fly)8 Caenorhabditis elegans (microscopic roundworm)12 Saccharomyces cerevisiae (budding yeast)32 Arabidopsis thaliana (plant in the mustard family)10 Xenopus laevis (South African clawed frog)36 Canis familiaris (domestic dog)78 Gallus gallus (chicken)78 Zea mays (corn or maize)20 Muntiacus reevesi (the Chinese muntjac, a deer)23 Muntiacus muntjac (its Indian cousin)6 Myrmecia pilosula (an ant)2 Parascaris equorum var
Plant cells vs. Animal cells - Biology Online
http://www.biology-online.org/11/1_plant_cells_vs_animal_cells.htm Competition: low
A plant cell is bounded by a cell wall and the living portion of the cell is within the walls and is divided into two portions: the nucleus, or central control center; and the cytoplasm, a fluid in which membrane bound organelles are found. The proteins synthesized on ribosomes bound to granular endoplasmic reticulum are transferred from the lumen (open space inside endoplasmic reticulum) to the golgi apparatus for secretion outside the cell or distribution to other organelles
http://library.thinkquest.org/5420/cellsplt.html Competition: low
Did you know that the largest suppliers of oxygen in the whole world are tiny plants known as photoplankton? They are found in the oceans and are really important to giving us the oxygen needed to keep life going on our planet. If you would like to see an actual photograph of a chloroplast viewed through the lens of an electron microscope, visit the Nanoworld Image Gallery (you'll need to register in order to view the gallery)
http://biology.clc.uc.edu/courses/bio104/mitosis.htm Competition: low
Each of these cultures can be subjected to a different drug, thus enabling doctors to find the right drug sooner, while it may still be of help, and without needlessly subjecting the person to many kinds of toxic chemicals. The nuclear envelope has totally disintegrated and the polar fibers have reached the centromeres of the chromosomes and have begun interacting with them
Chromosomes in cells - Human Molecular Genetics - NCBI Bookshelf
http://www.ncbi.nlm.nih.gov/books/NBK7572/ Competition: low
At the early stages of development, individual cells in the embryo are totipotent: each cell retains the capacity to differentiate into all the different types of cell in the body. Other cells (often distinguished by the suffix -blast , as in osteoblasts, chondroblasts, myoblasts, etc.) divide actively and act as precursors of terminally differentiated cells
http://micro.magnet.fsu.edu/cells/plantcell.html Competition: low
In higher plants, the diploid generation, the members of which are known as sporophytes due to their ability to produce spores, is usually dominant and more recognizable than the haploid gametophyte generation. By the Carboniferous Period, about 355 million years ago, most of the Earth was covered by forests of primitive vascular plants, such as lycopods (scale trees) and gymnosperms (pine trees, ginkgos)
http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/P/Plants.html Competition: low
Horsetails (Classified as Equisetopsida although many botanists prefer the older term Sphenopsida.) The common name comes from the characteristic pattern of branching: whorls or rings of branchlets arising from an above-ground shoot. Monocots and Dicots Of over 400 families of angiosperms, some 80 of them fall into a single clade, called monocots because their seeds have only a single cotyledon
The number of chromosomes found in human body cells is
http://wiki.answers.com/Q/The_number_of_chromosomes_found_in_human_body_cells_is Competition: low
What number and types of chromosomes are found in a human somatic cell? 22 autosomes and 1 sex chromosome i believe.are u in bild 1? haha In what cells are diploid numbers of chromosomes found in humans? all the cells except reproductive cells (spermatozoons and mature oocytes) In what cells are haploid numbers of chromosomes found in humans? In humans, all gametes are haploid. Number of chromosomes in human body cells? 46 chromosomes 23 pairs How many pairs of chromosomes are found in human body cells? There are 23 pairs or 46 individual chromosomes in a humans cells
http://www.ehow.com/facts_5207244_many-found-human-body-cells_.html Competition: low
The cell's nucleus primarily contains chromosomes, in addition to the nucleolus and protein particles, that are organized in pairs of sequences that replicate (duplicate) during cellular reproduction. The sex cells are produced through meiosis, a process which adds another step to the cell reproduction cycle so that the chromosome pairs are split, enabling sex cells to combine later during fertilization
Chromosome - Wikipedia, the free encyclopedia
http://en.wikipedia.org/wiki/Chromosome Competition: low
Compaction of the duplicated chromosomes during mitosis and meiosis results in the classic four-arm structure (pictured to the right) if the centromere is located in the middle of the chromosome or a two-arm structure if the centromere is located near one of the ends. In the nuclear chromosomes of eukaryotes, the uncondensed DNA exists in a semi-ordered structure, where it is wrapped around histones (structural proteins), forming a composite material called chromatin
After the screen opens, press Ctrl-F to view the animation in full screen mode.The Cell CycleThe cell cycle alternates between interphase and mitosis as diagrammed below. At high levels, activation occurs and the cycle resumes.Growth FactorsGrowth factors are molecules that stimulate nearby cells to divide by promoting the binding of cyclin to kinase.Under normal conditions, cyclin combines with kinase only when growth factors are present
During this process, electrons are shuttled through an iron-containing cytochrome enzyme system along membranes of the cristae which result in the phosphorylation of ADP (adenosine diphosphate) to form ATP (adenosine triphosphate). In fact, chloroplast DNA, including the protein-coding RBCL gene, is often used at the family level to show the relationships between genera and species within plant families
The major differences are in the number of chromosomes and genes, and the arrangement of base pairs within these genes.slide 3 of 6Viral DNAA virus is essentially a very simple particle with nucleic acid at its core and a few essential proteins, such as its protein coat. This article takes a peek inside cells to find out where DNA is found.slide 1 of 6Human CellsNucleus DNA can be found inside the nucleus of every cell, apart from red blood cells
Cell Division
But the cloning techniques have made life easy and these products can be synthesized on a large scale, thus the cost of production as come down which is a great boon for common man. In all the above said cases and all other organisms, the plant or the animal body is diploid (2 n), such organisms resort to sexual reproduction by means of gamates
Cell division and chromosomes
The contents of the nucleus The nucleus contains some coiled strand-like bodies known as chromosomes , which are only really visible in dividing cells, when they will absorb stain. In some cases these cells can accept DNA containing genes from a completely different source, and there are a wide number of possible benefits in medicine as well as industrial manufacturing
iKnow - Phases of Mitosis in Plant and Animal Cells
The typical cell cycle is divided into two phases: a brief mitotic phase in which the cell divides its nuclear and cytoplasmic contents, and a longer period between divisions called interphase. During mitosis and cytokinesis, each of the two daughter cells will receive an exact copy of the parent cell's chromosomes and roughly half of the cytoplasm
Sex-Determining Mechanisms in Land Plants
latifolia has been to clone genes that are expressed specifically in the male flowers and determine their linkage to the Y chromosome (reviewed by Charlesworth, 2002). Although the structure of the Ceratopteris antheridiogen is unknown, all other fern antheridiogens characterized to date are mostly novel gibberellins (Yamane, 1998)
What are Chromosome? How many types of chromosomes are there in human body? - Yahoo! Answers India
Member since: 07 September 2008 Total points: 99 (Level 1) Add Contact Block A chromosome is an organized structure of DNA and protein that is found in cells. In case of acrocentric chromosome the centromere is situated close to its end forming one extremely short and one very long arm, whereas the telocentric chromosome has a terminal centromere
Plant cell - Wikipedia, the free encyclopedia
Other types of plastids are the amyloplasts, specialized for starch storage, elaioplasts specialized for fat storage, and chromoplasts specialized for synthesis and storage of pigments. Xylem tracheids are pointed, elongated xylem cells, the simplest of which have continuous primary cell walls and lignified secondary wall thickenings in the form of rings, hoops, or reticulate networks
New Spindle forms Metaphase II Chromosomes line up at the MIDDLE of the cell, move to equator Anaphase II Sister Chromatids separate and move to opposite sides(poles) of the cell. gametes Reproductive Cells zygote a fertilized egg spindle fibers help pull apart the cell during replication and are made up of micrtubules centrioles two tiny structures located in the cytoplasm near the nuclear envelope mitosis cell division in which the nucleus divides into nuclei containing the same number of chromosomes cytokinesis organic process consisting of the division of the cytoplasm of a cell following karyokinesis bringing about the separation into two daughter cells cell plate A double membrane across the midline of a dividing plant cell, between which the new cell wall forms during cytokinesis
Chromosome - definition from Biology-Online.org
Supplement In eukaryotes, the chromosomes appear as threadlike strand that condense into thicker structures and aligns on the metaphase plate during mitosis. For example, the Duchenne muscular dystrophy requires just a single mutation in one of the alleles of a gene for dystrophin in the X chromosome, and if you inherit this mutation and happen to be a male, the disease always ensues
Chromosomes and Genetics
Law of Segregation A pair of allelic genes that are present in an n organism for a given character, separate or segregate in equal ratios during gamete formation. However, in 1900, three biologists, Hugo Devries, Tschermak and Correns, while publishing their independent works on inheritance found Mendel's paper and to their surprise they realized that Mendel had already discovered of what they wanted or considered to be an important discovery
What is the chromosome number in daughter cells formed by meiosis from diploid parent cells? - Yahoo! Answers
However, in thinking about this process, what would happen if both gametes had the same number of chromosomes as the rest of the cells in the organism? When they fused to become a zygote, they would have two times the number of chromosomes as the rest of the cells in the organism. Reproduction can occur in several ways as vegetative propagation, such as in the development of runners in strawberry plants, or by special cells called vegetative spores which are products of mitosis
What parts of plant cells are not found in animal cells
As well as storing these substances the vacuole helps to support the cell.3) Chloroplasts; these are structures containing the green pigment called chlorophyll, which traps sunlight. The job of the cell wall is to strengthen and support the cell.2) A central vacuole; this is a space in the centre of the cell filled with a watery solution called cell sap
Chromosomes
univalens (parasitic roundworm)2 Cambarus clarkii (a crayfish)200 Equisetum arvense (field horsetail, a plant)216 Karyotypes The complete set of chromosomes in the cells of an organism is its karyotype. (In plants, the haploid stage takes up a larger part of its life cycle - Link) Diploid numbers of some commonly studied organisms (as well as a few extreme examples) Homo sapiens (human)46 Mus musculus (house mouse)40 Drosophila melanogaster (fruit fly)8 Caenorhabditis elegans (microscopic roundworm)12 Saccharomyces cerevisiae (budding yeast)32 Arabidopsis thaliana (plant in the mustard family)10 Xenopus laevis (South African clawed frog)36 Canis familiaris (domestic dog)78 Gallus gallus (chicken)78 Zea mays (corn or maize)20 Muntiacus reevesi (the Chinese muntjac, a deer)23 Muntiacus muntjac (its Indian cousin)6 Myrmecia pilosula (an ant)2 Parascaris equorum var
Plant cells vs. Animal cells - Biology Online
A plant cell is bounded by a cell wall and the living portion of the cell is within the walls and is divided into two portions: the nucleus, or central control center; and the cytoplasm, a fluid in which membrane bound organelles are found. The proteins synthesized on ribosomes bound to granular endoplasmic reticulum are transferred from the lumen (open space inside endoplasmic reticulum) to the golgi apparatus for secretion outside the cell or distribution to other organelles
Did you know that the largest suppliers of oxygen in the whole world are tiny plants known as photoplankton? They are found in the oceans and are really important to giving us the oxygen needed to keep life going on our planet. If you would like to see an actual photograph of a chloroplast viewed through the lens of an electron microscope, visit the Nanoworld Image Gallery (you'll need to register in order to view the gallery)
Each of these cultures can be subjected to a different drug, thus enabling doctors to find the right drug sooner, while it may still be of help, and without needlessly subjecting the person to many kinds of toxic chemicals. The nuclear envelope has totally disintegrated and the polar fibers have reached the centromeres of the chromosomes and have begun interacting with them
Chromosomes in cells - Human Molecular Genetics - NCBI Bookshelf
At the early stages of development, individual cells in the embryo are totipotent: each cell retains the capacity to differentiate into all the different types of cell in the body. Other cells (often distinguished by the suffix -blast , as in osteoblasts, chondroblasts, myoblasts, etc.) divide actively and act as precursors of terminally differentiated cells
In higher plants, the diploid generation, the members of which are known as sporophytes due to their ability to produce spores, is usually dominant and more recognizable than the haploid gametophyte generation. By the Carboniferous Period, about 355 million years ago, most of the Earth was covered by forests of primitive vascular plants, such as lycopods (scale trees) and gymnosperms (pine trees, ginkgos)
Horsetails (Classified as Equisetopsida although many botanists prefer the older term Sphenopsida.) The common name comes from the characteristic pattern of branching: whorls or rings of branchlets arising from an above-ground shoot. Monocots and Dicots Of over 400 families of angiosperms, some 80 of them fall into a single clade, called monocots because their seeds have only a single cotyledon
The number of chromosomes found in human body cells is
What number and types of chromosomes are found in a human somatic cell? 22 autosomes and 1 sex chromosome i believe.are u in bild 1? haha In what cells are diploid numbers of chromosomes found in humans? all the cells except reproductive cells (spermatozoons and mature oocytes) In what cells are haploid numbers of chromosomes found in humans? In humans, all gametes are haploid. Number of chromosomes in human body cells? 46 chromosomes 23 pairs How many pairs of chromosomes are found in human body cells? There are 23 pairs or 46 individual chromosomes in a humans cells
The cell's nucleus primarily contains chromosomes, in addition to the nucleolus and protein particles, that are organized in pairs of sequences that replicate (duplicate) during cellular reproduction. The sex cells are produced through meiosis, a process which adds another step to the cell reproduction cycle so that the chromosome pairs are split, enabling sex cells to combine later during fertilization
Chromosome - Wikipedia, the free encyclopedia
Compaction of the duplicated chromosomes during mitosis and meiosis results in the classic four-arm structure (pictured to the right) if the centromere is located in the middle of the chromosome or a two-arm structure if the centromere is located near one of the ends. In the nuclear chromosomes of eukaryotes, the uncondensed DNA exists in a semi-ordered structure, where it is wrapped around histones (structural proteins), forming a composite material called chromatin
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