Search Results for: cell divisions
Sexual reproduction
Sexual reproduction is a mode of reproduction involving the fusion of haploid female gamete (egg cell) and haploid male... Read More
Homologous chromosome
A homologous chromosome pertains to one of a pair of chromosomes with the same gene sequence, loci, chromosomal length, and... Read More
Plant Cells vs. Animal Cells – Quiz
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The Many Facets of SDF-1alpha CXCR4 Agonists and Antagonists on Hematopoietic Progenitor Cells
K. Imai, M. Kobayashi, and J. Wang, et al., “Selective secretion of chemoattractants for haemopoietic progenitor cells by... Read More
Cell division
Definition noun, plural: cell divisions The process in which the parent cell divides, eventually giving rise to new daughter... Read More
Spermiogenesis
Spermiogenesis definition Spermiogenesis is the stage of spermatogenesis wherein the spermatids differentiate into mature... Read More
Researchers Examine Mechanisms That Help Cancer Cells Proliferate
A process that limits the number of times a cell divides works much differently than had been thought, opening the door to... Read More
Meiosis and Alternation of Generations – Quiz
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Can a Single Layer of Cells Control a Leaf’s Size?
Ever looked carefully at the leaves on a plant and noticed their various sizes and shapes? Why are they different? What... Read More
Protoplasm
Definition noun plural: protoplasms pro·to·plasm, ˈprəʊtəˌplæzəm The fluid living content of the cell that... Read More
The stem cells that weren’t there
Diabetes researchers, investigating how the body supplies itself with insulin, discovered to their surprise that adult stem... Read More
World’s First Cloned Transgenic Goats Born
By SARAH SUE GOLDSMITH, LSU News Service BATON ROUGE -- The world's first cloned transgenic goats have been born as part... Read More
What keeps the nervous system intact?
Researchers identify for the first time proteins vital to maintaining nervous system architecture Researchers at Columbia... Read More
Progenitor cell
progenitor cell (Science: cell biology) In development a parent cell that gives rise to a distinct cell lineage by a series... Read More
Nucleoplasm
Definition noun plural: nucleoplasm nu·cle·o·plasm, ˈnjuːklɪəˌplæzəm (cell biology) The protoplasm of the... Read More
Human Reproduction – Quiz
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Senescence
Senescence Definition Senescence is defined as biological aging. In cell biology, it refers to the cell wherein it is no... Read More
Worm Studies Give Researchers New Perspective on Embryo Formation
Networks of functionally linked genes and proteins (shown as... Read More
Characterization of expressed sequence tags obtained by SSH during somatic embryogenesis in Cichorium intybus L.
Sylvain Legrand, Theo Hendriks, Jean-Louis Hilbert and Marie-Christine QuilletAbstract (provisional) Background Somatic... Read More
Asymmetric cell division in plant development
Heidstra R. Department of Biology, Section Molecular Genetics, Utrecht University, Padualaan 8, 3584CH Utrecht,... Read More
Aneuploidy
Definition noun (genetics) The chromosomal variation due to a loss or a gain of one or more chromosomes resulting in the... Read More
Spermatogenesis
Spermatogenesis is the biological process of producing mature sperm cells, and occurs in the male gonad of a sexually... Read More
CHECKING HOW CELLS GROW: New research dismisses a widely held assumption about cell growth
Research published today in Journal of Biology challenges an assumption about cell growth that underpins modern cellular... Read More
Phase resting
phase, resting More appropriately called interphase. The interval in the cell cycle between two cell divisions when the... Read More
Not Junk: ‘Jumping Genes’ Critical For Early Embryo
Jumping genes, also known as transposons, are gaining momentum. They are considered either as slacking junks or maleficent... Read More
‘Speechless’ And ‘Mute’ Help Break The Silence Of The Leaves
Researchers have discovered two genes that guide land plants to develop microscopic pores that they can open and close as... Read More
Salk scientists get to the root of plant cell fate
La Jolla, CA — When Robert Burns compared his love to a red, red rose, he definitely wasn't referring to a topless mutant.... Read More
Doubling time
Doubling time (Science: cell biology) The time taken for a cell to complete the cell cycle. The amount of time between... Read More
Roots – Quiz
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Vascular plants
Definition of Vascular plants The term 'vascular' is derived from the Latin word vāsculum, vās, meaning "a container and... Read More