Protein structure

mounted to a slide.) b-The nucleus is an organelle found in eukaryotic cells. Inside its fully-enclosed nuclear membrane, it contains the majority of the cell's genetic material. This material is organized as DNA molecules, along with a variety of proteins, to form chromosomes. The main function of the cell nucleus is to control gene expression and mediate the replication of DNA during the cell cycle. c-Chloroplasts are larger than…

and RNA or DNA replication (Nucleic acid synthesis) . This Can be blocked by purine,pyrimidine analogs and reverse transcriptase inhibitors. 6. mRNA transcription , processing and translation of mRNA to protein : blocked by Methisazone e.g in Variola 7. Post-translational modification of proteins: 8. Assembly of the components into the whole virus: it's blocked by Methisazone e.g in Variola 9.Exit from the cells.:can be inhibited by Neuramidase inhibitors e.g in…

The longer I spend studying chemistry and biology, the more I find patterns and overlaps between the two disciplines. As I’ve matured in my studies, I have found the boundaries between the sciences to blur, which has led to my desire to do biochemistry. The course encompasses several science disciplines from biophysics and bioengineering to cellular biology and organic chemistry and looks at these from an analytical and quantitative standpoint. The diversity and interdisciplinary nature of…

CHAPTER 1 INTRODUCTION Since time immemorial microorganisms have played a significant role in the life of mankind owing to the production of the myriad enzymes and secondary compounds that they synthesize (Demain 1981). These micro organism live in a highly diverse environment ranging from hot springs to deep ocean sediments. In the hyper diverse environment where one can find a specialized and unique biological niche is the intracellular space between cells of higher plants acts as suite and…

Cellulose derivatives The cellulose derivatives widely used in mucoadhesive formulations are hydroxyethylcellulose, hydroxylpropylmethylcellulose, hydroxypropylcellulose and carboxymethylcellulose etc. • Hydroxylpropylmethylcellulose (HPMC): Hydroxylpropylmethylcellulose is semi synthetic, inert, viscoelastic polymers, extensively used not only for mucoadhesion properties but also for its controlled release mechanism. It has been applied to deliver various drugs via different type of dosage…

Professor Karl Forchhammer and Alexander Klotz at University of Tübingen 's Interfaculty Institute of Microbiology and Infection Medicine. It is stated that the cells stop photosynthesis and begin to reserve their energy. In addition, it is stated that protein-synthesizing mechanisms take in nitrogen and after 48 hours, begin to grow and divide. In addition, it is stated in the article that being able to control the life span of bacteria can better help them “control the spread of dangerous…

Background and Education Plans The end, or reason, for my life is something that had intrigued me early in life. As a child, I began to consider the origins of my name and learned that “Alexis” was derived from the ancient Greek word Alexos – which means, “to defend.” Through personal experiences and contemplation, I have made it my firm conviction that the end, or purpose, of my life is to defend and be of service to the people. My career objectives include completing my Bachelor’s degree…

In general, enzyme thermostability is an intrinsic property, determined by the primary structure of the protein. However, external environmental factors including cations, substrates, co-enzymes, modulators, polyols and proteins often increase enzyme thermostability. With some exceptions, enzymes present in thermophiles are more stable than their mesophilic counterparts. Some organisms produce enzymes with different thermal stability properties when grown at lower and higher temperatures. There…

polysorbates(esters of sorbitol condensed no.of ethylene oxide units),poloxamers (copolymers of hydrophilic poly-oxyehylene and hydrophobic poly-oxypropylene) also called as pluronics. Figure1-Structures of synthethic surfactants…

It has been proven that yeast can grow on both YPD and SD plates. In this lab we cross several yeast strains through the process called replica plating. For this identification test only one dominant allele is required. One copy of each gene is essential to produce enough of each enzyme needed in order to make a histidine. Through the study of Saccharomyces cerevisiae we prove that by transferring yeast cells onto YPD and SD plates over a period of 24-72 hours in a thirty degrees Celsius…