Search results for: 'cellular slime mold Animation'

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How proteins function? How do proteins work?

By: HWC, Views: 6291

How proteins function is really about how proteins "do work" in cells. How do proteins work? Let's start thinking about protein function by looking at something important to you: your hair. Keratin is a structural protein that is composed of 2 intertwined or helical strands. Keratin is also f...

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TRH/TSH/Thyroid hormone

By: HWC, Views: 6237

Thyroid hormone production • A decline in metabolic rate caused by increased metabolic need or physical exertion stimulates the production of thyrotropin hormone releasing (TRH) hormone from the cells of the hypothalamus. • Thyrotropin hormone releasing hormone targets the thyrotrophic ce...

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hGH, Thyroid hormones & Aldosterone

By: HWC, Views: 6721

Glycogenolysis and lipolysis • Stressors stimulate production of a hypothalamic releasing hormone (GHRH). • The releasing hormone stimulates somatotroph cells of anterior pituitary to secrete human growth hormone. • Human growth hormone targets liver cells and fat cells. hGH (glycog...

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Double Stranded DNA Molecule Animation

By: HWC, Views: 4599

Double Stranded DNA Molecule Animation

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Pores and Ion Channels

By: HWC, Views: 5896

Transmembrane channels, also called membrane channels, are pores within a lipid bilayer. The channels can be formed by protein complexes that run across the membrane or by peptides. They may cross the cell membrane, connecting the cytosol, or cytoplasm, to the extracellular matrix. Membrane po...

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Exocytosis - secretion

By: HWC, Views: 6654

Exocytosis is another method of vesicular transport that moves large volumes Of fluid or chemicals out of the cell. It is a process by which a cell transports secretory products through the cytoplasm to the plasma membrane. A examples of cellular secretory products: 1. Secreted protein - enzym...

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Major Elements in Biological Molecules: Carbohydrates

By: HWC, Views: 6226

Carbohydrates include simple sugars (monosaccharides) as well as large polymers (polysaccharides). Glucose is a hexose, a sugar composed of six carbon atoms, usually found in ring form. A starch macromolecule is a polysaccharide composed of thousands of glucose units. Glucose molecules can be ...

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Introduction to Body Systems Animation

By: Administrator, Views: 690

Systems: A group of different organs functioning together for a common purpose.

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Leg Movement Animation

By: Administrator, Views: 352

This animation shows a list of muscles found in the leg used for movement

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