37 results found

Search Results for: nucleolus

Nucleolus

Nucleolus Definition noun plural: nucleoli nu·cle·o·lus, njuːˈkliːələs (cell biology) The round granular... Read More

Granular component of nucleolus

Granular component of nucleolus area of nucleolus that appears granular in the electron microscope and contains 15nm... Read More

Nucleus

In cell biology, the nucleus is the large, membrane-bounded organelle that contains the genetic material in the form of... Read More

Ribosome

Definition noun plural: ribosomes ri·bo·some, ˈɹaɪbəˌsəʊm (cell biology) A minute, sphere-shaped particle... Read More

Ribosomal ribonucleic acid

Definition noun plural: ribosomal ribonucleic acids ri•bo•so•mal ri•bo•nu•cle•ic ac•id, ˈraɪ... Read More

Nuclear body

Definition noun plural: nuclear bodies nu·cle·ar bod‧y, ˈnjuː.kli.ər ˈbɒdi Any of the prominent non-membraned,... Read More

Cell Structure

The interior of the cell is divided into the nucleus and the cytoplasm. The nucleus is a spherical or oval-shaped structure... Read More

Prophase II

Definition noun The first stage in meiosis II highlighted by the disintegration of nucleolus and nuclear envelope, the... Read More

Organelle

An organelle refers to any of the various cellular structures that perform a distinctive function inside a cell. The cell is... Read More

Prophase

Definition noun The phase following interphase and preceding metaphase of cell divisions (i.e. mitosis and meiosis), and in... Read More

Nucleolar organizer region banding

Definition noun (cytogenetics) A chromosome banding method that employs silver staining to preferentially stain the... Read More

Mitosis

Mitosis Definition What is mitosis? In biology, mitosis refers to the cellular process where a single cell divides... Read More

Diakinesis

Definition noun The final stage of prophase I of meiosis I in which the chromosomes condense, the nucleolus fragments and... Read More

Nucleoplasm

Definition noun plural: nucleoplasm nu·cle·o·plasm, ˈnjuːklɪəˌplæzəm (cell biology) The protoplasm of the... Read More

Plant Cells vs. Animal Cells

Plant Cells Most cells are not visible with the naked eye. However, with microscopes of various types, plant cells can be... Read More

Genetic Information and Protein Synthesis

Genetic Code Genes are sequences of DNA nucleotides that carry and transmit the information specifying amino acid sequences... Read More

Monoblast

Definition noun, plural: monoblasts A precursor cell that gives rise to a promonocyte Supplement Hematopoiesis is the... Read More

Endomembrane system

Ever wondered how biomolecules are made within the cell and then they are released outside the cell for use by the body?... Read More

Animal cell

An animal cell is the fundamental functional unit of life of animals. It is also the basic unit of reproduction. Animal... Read More

Meiosis and Alternation of Generations

Review of Mitosis: Cell Cycle The cell cycle contains the process in which cells are either dividing or in between... Read More

Metamyelocyte

Definition noun, plural: metamyelocytes A cell derived from myelocyte and develops into a band cell during... Read More

Nervous System

    THE is the most complicated and highly organized of the various systems which make up the human body. It is the... Read More

Prophase I

Definition noun The first stage in the first meiotic division of meiosis characterized by having five sub-stages namely... Read More

Diatom

A diatom is a unicellular eukaryotic alga characterized by the siliceous covering and symmetry. Diatoms are mostly aquatic,... Read More

Lysosome

Lysosome Definition noun plural: lysosomes ly·so·some, ˈlaɪsəˌsoʊm (cell biology) Organelle containing a large... Read More

Golgi apparatus

Definition noun Gol·gi ap·pa·rat·us, ˈgɔl dʒi ˌæpəˈreɪtəs (cell biology) An organelle that is comprised of... Read More

Lymphocyte

Definition noun, plural: lymphocytes The white blood cell of the blood derived from the stem cells of the lymphoid series of... Read More

Metaphase

Definition noun The phase following prophase and preceding anaphase of cell divisions (i.e. mitosis and meiosis), and... Read More

Eukaryote

Eukaryote refers to any of the single-celled or multicellular organisms whose cell contains a distinct, membrane-bound... Read More

Egg cell

Definition noun, plural: egg cells (1) Female gamete; female sex cell; female reproductive cell. (2) Unfertilized ovum,... Read More

Ovum

Definition noun, plural: ova (1) Female gamete; female sex cell; female reproductive cell. (2) Egg cell. Supplement In... Read More

Cytoplasm

Cytoplasm definition noun plural: cytoplasms cy·to·plasm, ˈsaɪtoʊˌplæzəm The contents of a cell surrounded by... Read More

Endoplasmic reticulum

Definition noun plural: endoplasmic reticula (cell biology) A membrane-bound organelle that occurs as labyrinthine,... Read More

Tissue

Tissue Definition What is tissue in the body? The body tissue is an aggregation of cells that function together and have a... Read More

Organism

An organism refers to a living thing that has an organized structure, can react to stimuli, reproduce, grow, adapt, and... Read More

Meiosis

What is Meiosis? A simple definition of meiosis would be is this: meiosis is the process of cell division that results in... Read More

Cells know when to separate at mitosis

How do cells know when to separate during mitosis? A molecule called BubR1 was found to regulate the timing of the division... Read More