Macromolecules Essay

PROKARYOTIC PLASMA MEMBRANE The eukaryotic plasma membrane is a phospholipids bilayer with embedded protiens. In the middle of the bilayer, the fatty acids of the phospholipids are found, which is called as hydrophobic region. Prokaryotic cells can have multiple plasma membranes.

This organic molecule has a lot of critical roles in the human body. First off proteins come in four main structures and these structures are called primary, secondary, tertiary and quaternary. A primary protein structure is a linear arrangement of amino acids. Secondary structure has areas of folding or coiling and these are known as an alpha helices and pleated sheets.

A) NaCl B) cholesterol C) C6H14 D) triglyceride E) fatty acid Answer: A Diff: 5 Page Ref: 31 13) Each of the following statements concerning hydrogen bonds is true except one. Identify the exception.

As electrons move down the chain, energy is released and used to pump protons out of the matrix, forming a gradient. Protons flow back into the matrix through an enzyme called ATP synthase, making ATP. At the end of the electron transport chain, oxygen accepts electrons and takes up protons to form water. Each stage of cellular respiration is important because That cellular respiration is the process by which cells produce adenosine triphosphate, or ATP.

These multiple biochemical reaction then triggers the movement of glucose transporter molecule in the cell membrane which allow glucose to enter the cell and be used as an energy source. Insulin also regulates the blood sugar level by causing it undergo an irreversible process called glycolysis which converts glucose into an

In the first step, the leaving group departs, forming a carbocation C+. In the second step, the nucleophilic reagent (Nuc :) attaches to the carbocation and forms a covalent sigma bond. If the substrate has a chiral carbon, this mechanism can result in either inversion of the stereochemistry or retention of configuration. Usually both occur without preference. The result is racemization.

The pyruvate molecules that were created in glycolysis are then sometimes fermented into lactic acid. Lactic acid can be used to transform lactose into lactic acid, for example in the making of yoghurt. This process is also used in animal muscles when they require extra energy in their tissue in order to run faster than oxygen can be given. C6H12O6 (glucose) > 2CH3CHOHCOOHc*lactic acid) is the net equation for glucose to lactic acid.

The significance of cellular respiration and photosynthesis is they both help living things grow, develop, and stay alive.

Both processes use vesicles for molecular transport.3. Endocytosis creates vesicles while exocytosis can destroy them.4. The primary function of endocytosis is getting nutrients and the primary function of exocytosis is expelling waste. Read more: Difference between Exocytosis and Endocytosis | Difference Between

Oxaloacetate is regenerated after the completion of one kreb cycle. REACTION 2: Formation of Isocitrate: The next reaction of the Kreb cycle is catalysed by acontinase enzyme. In this reaction overall two H2O molecules are generated one water molecule is removed and other water molecule is put added into another location.

There are three main categories in which carbohydrates can be divided into: Monosaccharides, disaccharides and polysaccharides. (D 'Onofrio, 2009-2015) Monosaccharides (simple sugars) such as glucose and fructose provides energy in cells during cellular respiration, and are used to build cell structures and other organic molecules within the cells. Disaccharides are composed of two monosaccharides joined together, like sucrose which is a disacharide composed of one glucose and one fructose molecule. Polysaccharides are

As social workers, our purpose is to promote the human well-being, and to advocate for people’s rights in society. Social work is a profession that gives individuals the opportunity to support and help those in need. Social workers help those who are vulnerable, oppressed by society, and victims of poverty or discrimination. Micro and macro-level theories are two different ways to help individuals, and they differ in their strategies and the type of population. In one hand, micro level covers people’s needs individually by applying therapy that help one person in specific.

1. . Answer the following questions after reading the front web-page: a. How do athletic trainers mitigate risks? Athletic trainers mitigate risks by assigning physical actives to prevent injuries. b. What are benefits cited on this web-page of physical Activity? Which ones did you already know?