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10 Useful RNA Facts
10 Useful RNA Facts

... 6. RNA is found in both the nucleus and cytoplasm of human’s cells. DNA is found in the cell nucleus and mitochondria. ...
Interferon-gamma (I4777) - Datasheet - Sigma
Interferon-gamma (I4777) - Datasheet - Sigma

... residues. The E. coli expressed protein forms a disulfide-linked homodimer with a molecular mass of ∼15.6 kDa.1,2 The overall structure is a globular dimer with flattened elliptical shaped subunits. Six α-helices are held together by short non-helical sequences and there are no β-sheets.3 In natural ...
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Repression of Glutaminase I in the rat Retina by
Repression of Glutaminase I in the rat Retina by

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Lec 16: Nitrogen (ammonia) assimilation
Lec 16: Nitrogen (ammonia) assimilation

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Living organisms are made of cells. Animal Cell Plant Cell Structure

... 1. Ion/mineral uptake by root hair cells. The concentration of the ion/mineral in the cell is higher than the surroundings, therefore diffusion won’t work, and active transport must be used. 2. Glucose uptake by epithelial cells of the villi. The concentration of glucose in the epithelial cell is hi ...
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Chemistry Answers - Heathcote School and Science College

... Empirical formula is the simplest whole number ratio of elements. Divide the percentage or mass by the Mr of each element in the compound, divide by the smallest number and simplify to give a whole number ratio. ...
a peptide bond forms that adds an amino acid
a peptide bond forms that adds an amino acid

... • There were two hypotheses regarding the specification of amino acid sequence by a sequence of nucleotide bases: • mRNA codons and amino acids interact directly. ...
Honors Chapter 11 Reactions
Honors Chapter 11 Reactions

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Biochemistry



Biochemistry, sometimes called biological chemistry, is the study of chemical processes within and relating to living organisms. By controlling information flow through biochemical signaling and the flow of chemical energy through metabolism, biochemical processes give rise to the complexity of life. Over the last decades of the 20th century, biochemistry has become so successful at explaining living processes that now almost all areas of the life sciences from botany to medicine to genetics are engaged in biochemical research. Today, the main focus of pure biochemistry is in understanding how biological molecules give rise to the processes that occur within living cells, which in turn relates greatly to the study and understanding of whole organisms.Biochemistry is closely related to molecular biology, the study of the molecular mechanisms by which genetic information encoded in DNA is able to result in the processes of life. Depending on the exact definition of the terms used, molecular biology can be thought of as a branch of biochemistry, or biochemistry as a tool with which to investigate and study molecular biology.Much of biochemistry deals with the structures, functions and interactions of biological macromolecules, such as proteins, nucleic acids, carbohydrates and lipids, which provide the structure of cells and perform many of the functions associated with life. The chemistry of the cell also depends on the reactions of smaller molecules and ions. These can be inorganic, for example water and metal ions, or organic, for example the amino acids which are used to synthesize proteins. The mechanisms by which cells harness energy from their environment via chemical reactions are known as metabolism. The findings of biochemistry are applied primarily in medicine, nutrition, and agriculture. In medicine, biochemists investigate the causes and cures of disease. In nutrition, they study how to maintain health and study the effects of nutritional deficiencies. In agriculture, biochemists investigate soil and fertilizers, and try to discover ways to improve crop cultivation, crop storage and pest control.
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