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2. Receptor (biochemistry) - Wikipedia

   en.wikipedia.org/wiki/Receptor_(biochemistry)

   Receptors of a particular type are linked to specific cellular biochemical pathways that correspond to the signal. While numerous receptors are found in most cells, each receptor will only bind with ligands of a particular structure. This has been analogously compared to how locks will only accept specifically shaped keys. When a ligand binds ...

3. Cell signaling - Wikipedia

   en.wikipedia.org/wiki/Cell_signaling

   Enzyme-linked receptors (or catalytic receptors) are transmembrane receptors that, upon activation by an extracellular ligand, causes enzymatic activity on the intracellular side. [33] Hence a catalytic receptor is an integral membrane protein possessing both enzymatic, catalytic, and receptor functions. [34]

4. Biochemical cascade - Wikipedia

   en.wikipedia.org/wiki/Biochemical_cascade

   These receptors may have intrinsic catalytic activity or may be coupled to effector enzymes, or may also be associated to ionic channels. Therefore, there are four main transmembrane receptor types: G protein coupled receptors (GPCRs), tyrosine kinase receptors (RTKs), serine/threonine kinase receptors (RSTKs), and ligand-gated ion channels ...

5. Cell biology - Wikipedia

   en.wikipedia.org/wiki/Cell_biology

   The membranes are slightly different from cell to cell and a cell's function determines the size and structure of the ER. [18] Mitochondria: Commonly known as the powerhouse of the cell is a double membrane bound cell organelle. [19] This functions for the production of energy or ATP within the cell.

6. Cell surface receptor - Wikipedia

   en.wikipedia.org/wiki/Cell_surface_receptor

   Membrane receptors are mainly divided by structure and function into 3 classes: The ion channel linked receptor; The enzyme-linked receptor; and The G protein-coupled receptor. Ion channel linked receptors have ion channels for anions and cations, and constitute a large family of multipass transmembrane proteins.

7. Aubrey Anderson-Emmons Is ‘Grateful’ for “Modern ... - AOL

   www.aol.com/aubrey-anderson-emmons-grateful...

   Aubrey Anderson-Emmons is opening up about the ups and downs of child stardom.. The 17-year-old actress, who played Lily on Modern Family beginning in season 3 when she was 4 years old, sat down ...

8. Upstream and downstream (transduction) - Wikipedia

   en.wikipedia.org/wiki/Upstream_and_downstream...

   The type II receptors phosphorylate the type I receptors; the type I receptors are then enabled to phosphorylate cytoplasmic R-Smads, which then act as transcriptional regulators. The upstream signaling pathway is triggered by the binding of a signaling molecule, a ligand, to a receiving molecule, a receptor. Receptors and ligands exist in many ...

9. Kreskin, Renowned Mentalist, Dies at 89 - AOL

   www.aol.com/kreskin-renowned-mentalist-dies-89...

   Kreskin (aka The Amazing Kreskin), the renowned mentalist who had his own TV programs in the 1970s, has died. He was 89. Kreskin’s family announced the news in a statement posted on social media ...