45 results found

Search Results for: integral protein

Integral protein

Definition noun, plural: integral proteins A protein molecule or protein assembly permanently attached in biological... Read More

Endoplasmic reticulum

Endoplasmic Reticulum Definition The endoplasmic reticulum is a membrane-bound organelle in cells of eukaryotic cells... Read More

Fluid mosaic model

Fluid Mosaic Model Definition What is the fluid mosaic model? The fluid mosaic model is a three-dimensional representation... Read More

Plasma membrane

Do all cells have a plasma (or cell) membrane? Yes, all cells have a biological membrane that separates the protoplasm from... Read More

Rough endoplasmic reticulum

Rough Endoplasmic Reticulum Definition The rough endoplasmic reticulum (rough ER or rER) is a membrane-bound organelle... Read More

Erythrocyte

Erythrocyte Definition Erythrocytes (red blood cells or RBCs) are the myeloid series of specialized cells that play an... Read More

Carrier protein

Carrier protein is a type of cell membrane protein involved in facilitated diffusion and active transport of substances out... Read More

Cell Structure

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

Spectrin

Definition noun plural: spectrins spec·trin, spĕk′trĭn A cytoplasmic membrane structure with contractile dimeric... Read More

Peripheral membrane protein

Definition noun, plural: peripheral membrane proteins A protein that temporarily adheres to the biological membrane, either... Read More

Movement of Molecules Across Cell Membranes

Diffusion Diffusion is essentially the movement of molecules from a region of higher concentration to a region of lower... Read More

Autosome

Autosomes can be described as the non-sex chromosomes that play diverse roles in the human body like harboring genes for the... Read More

Membrane protein

Definition noun, plural: membrane proteins A type of protein that is attached to, or associated with, a biological... Read More

Cytoskeleton

Definition noun plural: cytoskeletons cy·to·skel·e·ton (cell biology) The lattice or internal framework of a cell... Read More

Endocytosis

Endocytosis Definition What is endocytosis in biology? Endocytosis is a cellular process by which a cell internalizes any... Read More

Integral membrane protein

Definition noun A protein molecule (or assembly of proteins) that is permanently attached or firmly anchored in the plasma... Read More

Keratin

Keratin is a fibrous protein naturally present in hair, skin, and nails. In hair care, it serves as a protective and... Read More

Specimen

A specimen is a meticulously selected representative of a group that undergoes rigorous research studies to derive some... Read More

Centromere

Centromere Definition Centromere is defined as the point of attachment for the sister chromatids generated after DNA... Read More

Cell membrane

Cell Membrane Definition Just like any non-living body possesses a plastic or paper packaging material that keeps the... Read More

Cell division

Cell division is a biological process by which a parent cell duplicates its cell contents and divides to give rise to two or... Read More

Intrinsic protein

Definition noun, plural: intrinsic proteins Any of the group of integral membrane proteins that facilitate specific... Read More

Facilitated diffusion

Facilitated diffusion is the transport of substances across a biological membrane from an area of higher concentration to an... Read More

Cell adhesion

Cell Adhesion Definition Cell adhesion is the process in which a cell uses a specialized complex of proteins to get... Read More

Y chromosome

Y chromosome Definition The Y chromosome constitutes one member of the pair of sex chromosomes within an organism, a common... Read More

Diffusion

Diffusion Definition Diffusion is the net passive movement of molecules or particles from regions of higher to regions of... Read More

Chlorophyll

Why are most plants green? Have you ever had the same question? Perhaps, you’ve been told that the plants are green... Read More

Prophase

Prophase is the first stage of mitosis; the very first step in this crucial process of the M-phase of the cell cycle. Now as... Read More

Valine

Amino acids are categorized into two groups based on the capability of the human body to synthesize them; essential and... Read More

Nucleotide

Nucleotide Definition A nucleotide is regarded as the basic building block of nucleic acid (e.g. DNA and RNA). A nucleic... Read More

Plant Metabolism

Introduction Plants are responsible for incredible feats of molecular transformation. The processes are always being... Read More

Cisterna

Definition noun plural: cisternae cis·ter·na, sɪˈstɜːnə (cell biology) The flattened membrane disk containing... Read More

Uniport

Definition noun The transport of molecule or ion across a membrane through facilitated diffusion without coupling to the... Read More

Atom

In the enchanting tapestry of life, the smallest of heroes and a celestial protagonist emerges—'the atom'. With grace and... Read More

Transmembrane proteins

transmembrane protein (Science: cell biology) A protein subunit in which the polypeptide chain is exposed on both sides of... Read More

Pyrimidine

Definition noun plural: pyrimidines py·rim·i·dine, py·rim·i·dine A heterocyclic aromatic compound that presents as... Read More

Dendrite

Dendrite Definition Dendrites are the protoplasmic projections from the neuron cells that receive the electrochemical... Read More

Ribonucleotide

Definition noun plural: ribonucleotides ri·bo·nu·cle·o·tide, ˌraɪbəʊˈnjuːklɪəˌtaɪd A form of nucleotide in... Read More

Rhodopsin

rhodopsin (Science: protein) light sensitive pigment formed from retinal linked through a Schiff's base to opsin: rhodopsin... Read More

Chimera

When we learned about the basic genetics of biological life, we came to know that almost all the cells of an individual have... Read More