Eukaryotic cells

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  • Lecture Microbiology - Chapter 4: Characteristics of prokaryotic and eukaryotic cells. This chapter presents the following content: Cellular characteristics, prokaryotic cells, prokaryotic cell arrangements, typical prokaryotic cell,...

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  • This chapter presents the following content: Biologists use microscopes and the tools of biochemistry to study cells, eukaryotic cells have internal membranes that compartmentalize their functions, the eukaryotic cell's genetic instructions are housed in the nucleus and carried out by the ribosomes, the endomembrane system regulates protein traffic and performs metabolic functions in the cell,...

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  • Th ere is something about being human that instills in us a sense of wonder. When we stop to think about it, the very idea of life seems such a mystery. Where did we come from? How did life begin? When we look at the sky, we wonder about the vastness of the universe and whether other life may exist there. If we look through a microscope at a drop of pond water, we are amazed at the variety of tiny creatures we see. Since cells form the very basis of life, it is only natural that our sense of wonder extends to the cell. Where did...

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  • Tuyển tập các báo cáo nghiên cứu về sinh học được đăng trên tạp chí sinh học Journal of Biology đề tài: Growth control of the eukaryote cell: a systems biology study in yeast...

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  • (BQ) Part 1 book "Textbook of biochemistry with clinical correlations" presents the following contents: Eukaryotic cell structure, composition and structure, structure—function relationships in protein families, classification, kinetics and control, structure and membrane transport, bioenergetics and oxidative metabolism, major metabolic pathways and their control.

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  • (BQ) Part 1 book "Prescott's microbiology" presentation of content: The evolution of microorganisms and microbiology, microscopy, bacterial cell structure, eukaryotic cell structure, viruses and other acellular infectious agents, microbial growth, antimicrobial chemotherapy, antimicrobial chemotherapy,... and other contents.

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  • This chapter distinguish between the following pairs of terms: magnification and resolution, prokaryotic and eukaryotic cell, free and bound ribosomes, smooth and rough ER; describe the structure and function of the components of the endomembrane system; briefly explain the role of mitochondria, chloroplasts, and peroxisomes;...

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  • Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học quốc tế cung cấp cho các bạn kiến thức về ngành y đề tài: Comment on and reply to "Analysis of variation of amplitudes in cell cycle gene expression" by Liu, Gaido and Wolfinger: On the analysis of gene expression during the normal, eukaryotic, cell cycle

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  • (BQ) Part 1 book "Microbiology demystified" presents the following contents: The world of the microorganism, the chemical elements of microorganisms, observing microorganisms, prokaryotic cells and eukaryotic cells, the chemical metabolism, microbial growth and controlling microbial growth, microbial genetics, recombinant DNA technology.

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  • This chapter presents the following content: Most cell division results in genetically identical daughter cells, the mitotic phase alternates with interphase in the cell cycle, the eukaryotic cell cycle is regulated by a molecular control system.

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  • The endoplasmic reticulum (ER) plays a critical role as a compartment for protein folding in eukaryotic cells. Defects in protein folding contribute to a growing list of diseases, and advances in our understanding of the molec-ular details of protein folding are helping to provide more efficient ways of producing recombinant proteins for industrial and medicinal use.

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  • Chapter 4 - Cell structure and function. After studying this chapter, you should be able to accomplish the following outcomes: Cite the three tenets of the cell theory; explain why cells are so small; describe the structure of the prokaryotic cell in terms of the cell envelope, cytoplasm, and appendages; give a function for each structure;...

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  • Nội dung: Khái quát prokaryotic cell và eukaryotic cell điển hình, Prokaryotic cell, Eukaryotic cell. Các bào quan trong tế bào.

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  • Genetic information is physically carried on large DNA strings that are organized into chromosomes. Each species is characterized by a chromosome set that carry the information necessary and sufficient for its development and survival. Eukaryotic organisms are mostly diploid, containing two sets of chromosomes with each pair carrying nearly identical genetic information. Occasionally, exceptions to this rule are found, such as haploid yeast (with only one set of chromosomes) or polyploid ferns and frogs (with multiple sets).

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  • Eukaryotic translation initiation factor 5A (eIF5A) is the only cellular protein that contains the unusual amino acid hypusine [N e -(4-amino-2-hydroxybutyl)lysine]. Vertebrates carry two genes that encode two eIF5A isoforms, eIF5A-1 and eIF5A-2, which, in humans, are 84% identical. eIF5A-1 mRNA (1.3 kb) and protein (18 kDa) are constitutively expressed in human cells. In contrast, expression of eIF5A-2 mRNA (0.7–5.6 kb) and eIF5A-2 protein (20 kDa) varies widely.

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  • The virus protein linked to the genome (VPg) of plant potyviruses is a 25-kDa protein covalently attached to the genomic RNA 5¢ end. It was previously reported that VPg binds specifically to eIF4E, the mRNAcap-binding protein of the eukaryotic translation initiation complex. We per-formed a spectroscopic study of the interactions between lettuce eIF4E and VPg from lettuce mosaic virus (LMV).

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  • (BQ) Part 1 book "Microbiology principles and explorations" presents the following contents: Scope and history of microbiology, fundamentals of chemistry, microscopy and staining, characteristics of prokaryotic and eukaryotic cells, essential concepts of metabolism, microbial genetics, eukaryotic microorganisms and parasites, antimicrobial therapy,...

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  • Cell navigation is the process whereby cells or cytoplasmic extensions are guided from one point to another in multicellular organisms or, in the case of unicellular eukaryotic organisms, in the environment. Recent work has demonstrated that membrane trafficking plays an important role in this process.

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  • Termination of translation in eukaryotes is triggered by two polypeptide chain release factors, eukaryotic class 1 polypeptide chain release factor (eRF1) and eukaryotic class 2 polypeptide chain release factor 3. eRF1 is a three-domain protein that interacts with eukaryotic class 2 polypeptide chain release factor 3 via its C-terminal domain (C-domain).

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  • Gangliosides are glycosphingolipids mainly present at the outer leaflet of the plasma membrane of eukaryotic cells, where they participate in recogni-tion and signalling activities. The synthesis of gangliosides is carried out in the lumen of the Golgi apparatus by a complex system of glycosyltrans-ferases.

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