biochemistry homework help


It is a science that studies chemical (molecular) composition of living organisms and chemical (biochemical) reactions, which take place in these organisms and are the basis of their life-sustaining activity; in other words, it is a process of performing various physiological functions.

Biochemistry essay writing can include those topics that directly relate to objects under study - living organisms at different levels of evolutionary development: viruses, bacteria and other protista, plants, animals, and a human organism as organism of biological Homo sapiens being. Biochemical transformations divide bioorganic compounds (biomolecules) as part of living organisms; the former provide metabolism of separate cells and an integral multicellular organism. Based on the foregoing, modern science may be defined as molecular anatomy and molecular physiology of living organisms - two branches of one science, which can be used as the starting points for biochemistry research articles writing.

Four main types of molecules are proteins together with nucleic acids, lipids, carbohydrates, and also their hybrids, lipoproteins, proteoglycans, glycoproteins, etc. Biopolymers often form complexes where structure of the latter is driven by their biological function. You will complete your biochemistry dissertation more efficiently if you are familiar with these 'basic' molecules.

  • Carbohydrates
    Carbohydrates consist of monomers, which are called monosaccharides, such as glucose (C6H12O6), fructose (C6H12O6), and deoxyribose (С5H10O4). During the synthesis of disaccharide molecule, two molecules of monosaccharides constitute the molecule of water. Polysaccharides serve to accumulate energy (starch for plants, glycogen for animals) and as structure-forming molecules (for instance, the major component of plants' cell walls is polysaccharide cellulose, and chitin is a structural polysaccharide of inferior plants, fungi, and invertebrate animals). Having familiarized yourself with this section, you can turn carbohydrates into the topic for your future biochemistry case study.
  • Lipids
    As a rule, lipids (fats) are formed from molecule of glycerin that has up to three fatty acids attached to it with the help of ester linkage. Fatty acids are subdivided into groups according to the length of hydrocarbon chain and level of saturation (presence and quantity of ethylenic bonds in chain). Lipids are the main energy-consuming molecules for animals.

Moreover, such molecules possess various functions connected with delivery of cell signals and transfer of lipophilic molecules.

You can prepare an extensive biochemistry review concerning the topic of lipids. If you do it well, your scientific supervisor will appreciate your work.

  • Proteins
    Usually, proteins are large molecules - biopolymers; their monomers are amino acids. The majority of organisms synthesize proteins from twenty different types of amino acids. Amino acids differ from each other by the so-called "R" group, structure of which has a considerable meaning at coiling protein into the three-dimensional structure. Amino acids form peptide bonds building the chain - polypeptide.

Functions of proteins in living organisms' cells are more diverse than functions of the other biopolymers - polysaccharides and nucleic acids. Thus, protein-clinging enzymes catalyze development of biochemical reactions and play a critical part in metabolism. Some proteins fulfill structural or mechanical functions generating cytoskeleton that supports cells' form. At the same time, proteins are important for cells' signal systems, at immune response, and in cell cycle. Many proteins can create complexes with nonproteous biomolecules. Oligosaccharides complexes are called proteoglycans or glycoproteins. Complexes with lipids are called lipoproteins.

Proteins are the good basis for biochemistry thesis paper. Think about it in your spare time, and if you are not sure regarding this topic, you can always ask for professional assistance from your professors.

  • Nucleic acids
    Nucleic acid is a complex of macromolecules that consist of polynucleotide chains. The main function of nucleic acids is storage and encoding genetic information. The most widespread nucleic acids are deoxyribonucleic acid (DNA) and ribonucleic acid (RNA). Nucleic acids can also be found in all living cells from archaea to eukaryotes, and in viruses.


When writing a biochemistry research paper, you may pick up some ideas from the following branches of the science: static, dynamic, and functional biological chemistry.

Static one studies a chemical composition of living organisms, and a structure of bioorganic molecules - biomolecules (proteins, amino acids, nucleic acids, nucleotides, carbohydrates and their derivatives, lipids, vitamins, hormones, etc.). Modern static biological chemistry is close to bioorganic chemistry according to objects of research and methodology. In opposition to chemistry, biological chemistry maintains a focus on meaning of specific biomolecules while forming cellular and tissue structures.

Static biological chemistry is a bit harder subject than you have imagined and you already need biochemistry homework help? In such case, go to your teachers and ask him/her to explain those moments, which you do not understand. They will be glad to have such a curious student as you are.

Medical biological chemistry studies chemical reactions in metabolism of living organisms. The main tasks of dynamic bioorganics are research of dynamics and mechanisms of metabolism reactions together with features of transformations of such biomolecules as nucleic acids, proteins, lipids, and carbohydrates in living organisms. Simple bioorganic molecules and their derivatives (monosaccharides, fatty acids, amino acids, nucleotides, low-molecular-weight carboxylic acids, and others) are called metabolites. Bioenergetics is a branch of dynamic biological chemistry that studies regularities of release, accumulation, and usage of energy in biological systems. If you want to become a specialist in this sphere, you will need to write a biochemistry cover letter to show that you are achievement-oriented.

Comprehension of structure and activity of living cells is impossible without molecular biology and molecular genetics - branches of biological chemistry and cell biology, which develop regularities of storage and realization of genetic information by means of studying structure and function of informational macromolecules (nucleic acids DNA and RNA).

If you are a medical student, then, sooner or later, you will have to write such necessary documents as biochemistry resume. Very often, such writing process can unexpectedly turn out to be rather tedious. In this case, students possess an excellent alternative. This alternative is writing service, as our writers will complete an advantageous biochemistry CV for you.


A human organism is the main object of research in medical biological chemistry. Medical biological chemistry is a branch that studies common features of metabolism and its disorders in the context of a healthy state of the human organism or if there are pathologic processes of various geneses, in particular, provoked by the activity of disturbing factors of biological, chemical, and physical origin. Taking into consideration the above-mentioned information and some facts below, one may state that the sphere of medical biological chemistry is an excellent starting point for various articles on biochemistry.

Clinical chemistry is a scientific-practical branch of medical biological chemistry that examines biochemical processes in organisms of the sick and researches, which can be used when diagnosing injuries of particular organs, tissues, and cellular structures. Clinical chemistry is a branch of science where a biochemistry report is a usual business.

Clinical enzymology is another one important subdivision in the sphere of clinical chemistry. Here, the object of study is a process of enzymatic reactions in organisms of the sick under conditions of various pathologic states by means of activity test regarding separate enzymes, isoenzymes, and enzymatic constellations in biologic fluids and biopsy materials. Received data are necessary for direct care.


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